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| author | popcornmix <popcornmix@gmail.com> | 2019-06-10 15:08:23 +0100 |
|---|---|---|
| committer | popcornmix <popcornmix@gmail.com> | 2019-06-10 15:08:23 +0100 |
| commit | 4395da03133888a4d2ea920dfb88d04e7534038d (patch) | |
| tree | 82770cb27e36df3aa4433a4a0a3e53a2f88a05b1 | |
| parent | 6b45ec4c1518201aed352f9c9a852613adfd6efb (diff) | |
| parent | bb7b450e61a1dbe2bfbe998a1afeda654c6a67e9 (diff) | |
| download | linux-rpi3-4395da03133888a4d2ea920dfb88d04e7534038d.tar.gz linux-rpi3-4395da03133888a4d2ea920dfb88d04e7534038d.tar.bz2 linux-rpi3-4395da03133888a4d2ea920dfb88d04e7534038d.zip | |
Merge remote-tracking branch 'stable/linux-4.19.y' into rpi-4.19.y
453 files changed, 3327 insertions, 1629 deletions
diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt index 3c6fc2e08d04..eeb3fc9d777b 100644 --- a/Documentation/arm64/silicon-errata.txt +++ b/Documentation/arm64/silicon-errata.txt @@ -58,6 +58,7 @@ stable kernels. | ARM | Cortex-A72 | #853709 | N/A | | ARM | Cortex-A73 | #858921 | ARM64_ERRATUM_858921 | | ARM | Cortex-A55 | #1024718 | ARM64_ERRATUM_1024718 | +| ARM | Cortex-A76 | #1463225 | ARM64_ERRATUM_1463225 | | ARM | MMU-500 | #841119,#826419 | N/A | | | | | | | Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 | diff --git a/Documentation/conf.py b/Documentation/conf.py index b691af4831fa..22c1a6d96f9e 100644 --- a/Documentation/conf.py +++ b/Documentation/conf.py @@ -37,7 +37,7 @@ needs_sphinx = '1.3' extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include', 'cdomain', 'kfigure', 'sphinx.ext.ifconfig'] # The name of the math extension changed on Sphinx 1.4 -if major == 1 and minor > 3: +if (major == 1 and minor > 3) or (major > 1): extensions.append("sphinx.ext.imgmath") else: extensions.append("sphinx.ext.pngmath") diff --git a/Documentation/sphinx/kerneldoc.py b/Documentation/sphinx/kerneldoc.py index 9d0a7f08f93b..1159405cb920 100644 --- a/Documentation/sphinx/kerneldoc.py +++ b/Documentation/sphinx/kerneldoc.py @@ -37,7 +37,19 @@ import glob from docutils import nodes, statemachine from docutils.statemachine import ViewList from docutils.parsers.rst import directives, Directive -from sphinx.ext.autodoc import AutodocReporter + +# +# AutodocReporter is only good up to Sphinx 1.7 +# +import sphinx + +Use_SSI = sphinx.__version__[:3] >= '1.7' +if Use_SSI: + from sphinx.util.docutils import switch_source_input +else: + from sphinx.ext.autodoc import AutodocReporter + +import kernellog __version__ = '1.0' @@ -90,7 +102,8 @@ class KernelDocDirective(Directive): cmd += [filename] try: - env.app.verbose('calling kernel-doc \'%s\'' % (" ".join(cmd))) + kernellog.verbose(env.app, + 'calling kernel-doc \'%s\'' % (" ".join(cmd))) p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) out, err = p.communicate() @@ -100,7 +113,8 @@ class KernelDocDirective(Directive): if p.returncode != 0: sys.stderr.write(err) - env.app.warn('kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode)) + kernellog.warn(env.app, + 'kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode)) return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))] elif env.config.kerneldoc_verbosity > 0: sys.stderr.write(err) @@ -121,20 +135,28 @@ class KernelDocDirective(Directive): lineoffset += 1 node = nodes.section() - buf = self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter + self.do_parse(result, node) + + return node.children + + except Exception as e: # pylint: disable=W0703 + kernellog.warn(env.app, 'kernel-doc \'%s\' processing failed with: %s' % + (" ".join(cmd), str(e))) + return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))] + + def do_parse(self, result, node): + if Use_SSI: + with switch_source_input(self.state, result): + self.state.nested_parse(result, 0, node, match_titles=1) + else: + save = self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter self.state.memo.reporter = AutodocReporter(result, self.state.memo.reporter) self.state.memo.title_styles, self.state.memo.section_level = [], 0 try: self.state.nested_parse(result, 0, node, match_titles=1) finally: - self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter = buf + self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter = save - return node.children - - except Exception as e: # pylint: disable=W0703 - env.app.warn('kernel-doc \'%s\' processing failed with: %s' % - (" ".join(cmd), str(e))) - return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))] def setup(app): app.add_config_value('kerneldoc_bin', None, 'env') diff --git a/Documentation/sphinx/kernellog.py b/Documentation/sphinx/kernellog.py new file mode 100644 index 000000000000..af924f51a7dc --- /dev/null +++ b/Documentation/sphinx/kernellog.py @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Sphinx has deprecated its older logging interface, but the replacement +# only goes back to 1.6. So here's a wrapper layer to keep around for +# as long as we support 1.4. +# +import sphinx + +if sphinx.__version__[:3] >= '1.6': + UseLogging = True + from sphinx.util import logging + logger = logging.getLogger('kerneldoc') +else: + UseLogging = False + +def warn(app, message): + if UseLogging: + logger.warning(message) + else: + app.warn(message) + +def verbose(app, message): + if UseLogging: + logger.verbose(message) + else: + app.verbose(message) + + diff --git a/Documentation/sphinx/kfigure.py b/Documentation/sphinx/kfigure.py index b97228d2cc0e..fbfe6693bb60 100644 --- a/Documentation/sphinx/kfigure.py +++ b/Documentation/sphinx/kfigure.py @@ -60,6 +60,8 @@ import sphinx from sphinx.util.nodes import clean_astext from six import iteritems +import kernellog + PY3 = sys.version_info[0] == 3 if PY3: @@ -171,20 +173,20 @@ def setupTools(app): This function is called once, when the builder is initiated. """ global dot_cmd, convert_cmd # pylint: disable=W0603 - app.verbose("kfigure: check installed tools ...") + kernellog.verbose(app, "kfigure: check installed tools ...") dot_cmd = which('dot') convert_cmd = which('convert') if dot_cmd: - app.verbose("use dot(1) from: " + dot_cmd) + kernellog.verbose(app, "use dot(1) from: " + dot_cmd) else: - app.warn("dot(1) not found, for better output quality install " - "graphviz from http://www.graphviz.org") + kernellog.warn(app, "dot(1) not found, for better output quality install " + "graphviz from http://www.graphviz.org") if convert_cmd: - app.verbose("use convert(1) from: " + convert_cmd) + kernellog.verbose(app, "use convert(1) from: " + convert_cmd) else: - app.warn( + kernellog.warn(app, "convert(1) not found, for SVG to PDF conversion install " "ImageMagick (https://www.imagemagick.org)") @@ -220,12 +222,13 @@ def convert_image(img_node, translator, src_fname=None): # in kernel builds, use 'make SPHINXOPTS=-v' to see verbose messages - app.verbose('assert best format for: ' + img_node['uri']) + kernellog.verbose(app, 'assert best format for: ' + img_node['uri']) if in_ext == '.dot': if not dot_cmd: - app.verbose("dot from graphviz not available / include DOT raw.") + kernellog.verbose(app, + "dot from graphviz not available / include DOT raw.") img_node.replace_self(file2literal(src_fname)) elif translator.builder.format == 'latex': @@ -252,7 +255,8 @@ def convert_image(img_node, translator, src_fname=None): if translator.builder.format == 'latex': if convert_cmd is None: - app.verbose("no SVG to PDF conversion available / include SVG raw.") + kernellog.verbose(app, + "no SVG to PDF conversion available / include SVG raw.") img_node.replace_self(file2literal(src_fname)) else: dst_fname = path.join(translator.builder.outdir, fname + '.pdf') @@ -265,18 +269,19 @@ def convert_image(img_node, translator, src_fname=None): _name = dst_fname[len(translator.builder.outdir) + 1:] if isNewer(dst_fname, src_fname): - app.verbose("convert: {out}/%s already exists and is newer" % _name) + kernellog.verbose(app, + "convert: {out}/%s already exists and is newer" % _name) else: ok = False mkdir(path.dirname(dst_fname)) if in_ext == '.dot': - app.verbose('convert DOT to: {out}/' + _name) + kernellog.verbose(app, 'convert DOT to: {out}/' + _name) ok = dot2format(app, src_fname, dst_fname) elif in_ext == '.svg': - app.verbose('convert SVG to: {out}/' + _name) + kernellog.verbose(app, 'convert SVG to: {out}/' + _name) ok = svg2pdf(app, src_fname, dst_fname) if not ok: @@ -305,7 +310,8 @@ def dot2format(app, dot_fname, out_fname): with open(out_fname, "w") as out: exit_code = subprocess.call(cmd, stdout = out) if exit_code != 0: - app.warn("Error #%d when calling: %s" % (exit_code, " ".join(cmd))) + kernellog.warn(app, + "Error #%d when calling: %s" % (exit_code, " ".join(cmd))) return bool(exit_code == 0) def svg2pdf(app, svg_fname, pdf_fname): @@ -322,7 +328,7 @@ def svg2pdf(app, svg_fname, pdf_fname): # use stdout and stderr from parent exit_code = subprocess.call(cmd) if exit_code != 0: - app.warn("Error #%d when calling: %s" % (exit_code, " ".join(cmd))) + kernellog.warn(app, "Error #%d when calling: %s" % (exit_code, " ".join(cmd))) return bool(exit_code == 0) @@ -415,15 +421,15 @@ def visit_kernel_render(self, node): app = self.builder.app srclang = node.get('srclang') - app.verbose('visit kernel-render node lang: "%s"' % (srclang)) + kernellog.verbose(app, 'visit kernel-render node lang: "%s"' % (srclang)) tmp_ext = RENDER_MARKUP_EXT.get(srclang, None) if tmp_ext is None: - app.warn('kernel-render: "%s" unknown / include raw.' % (srclang)) + kernellog.warn(app, 'kernel-render: "%s" unknown / include raw.' % (srclang)) return if not dot_cmd and tmp_ext == '.dot': - app.verbose("dot from graphviz not available / include raw.") + kernellog.verbose(app, "dot from graphviz not available / include raw.") return literal_block = node[0] diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt index 9ecde517728c..2793d4eac55f 100644 --- a/Documentation/sysctl/net.txt +++ b/Documentation/sysctl/net.txt @@ -92,6 +92,14 @@ Values : 0 - disable JIT kallsyms export (default value) 1 - enable JIT kallsyms export for privileged users only +bpf_jit_limit +------------- + +This enforces a global limit for memory allocations to the BPF JIT +compiler in order to reject unprivileged JIT requests once it has +been surpassed. bpf_jit_limit contains the value of the global limit +in bytes. + dev_weight -------------- @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 19 -SUBLEVEL = 46 +SUBLEVEL = 49 EXTRAVERSION = NAME = "People's Front" @@ -508,13 +508,6 @@ export RETPOLINE_VDSO_CFLAGS KBUILD_CFLAGS += $(call cc-option,-fno-PIE) KBUILD_AFLAGS += $(call cc-option,-fno-PIE) -# check for 'asm goto' -ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) - CC_HAVE_ASM_GOTO := 1 - KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO - KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO -endif - # The expansion should be delayed until arch/$(SRCARCH)/Makefile is included. # Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile. # CC_VERSION_TEXT is referenced from Kconfig (so it needs export), diff --git a/arch/Kconfig b/arch/Kconfig index 6801123932a5..a336548487e6 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -71,6 +71,7 @@ config KPROBES config JUMP_LABEL bool "Optimize very unlikely/likely branches" depends on HAVE_ARCH_JUMP_LABEL + depends on CC_HAS_ASM_GOTO help This option enables a transparent branch optimization that makes certain almost-always-true or almost-always-false branch diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h index 07e27f212dc7..d2453e2d3f1f 100644 --- a/arch/arm/include/asm/cp15.h +++ b/arch/arm/include/asm/cp15.h @@ -68,6 +68,8 @@ #define BPIALL __ACCESS_CP15(c7, 0, c5, 6) #define ICIALLU __ACCESS_CP15(c7, 0, c5, 0) +#define CNTVCT __ACCESS_CP15_64(1, c14) + extern unsigned long cr_alignment; /* defined in entry-armv.S */ static inline unsigned long get_cr(void) diff --git a/arch/arm/kernel/jump_label.c b/arch/arm/kernel/jump_label.c index 90bce3d9928e..303b3ab87f7e 100644 --- a/arch/arm/kernel/jump_label.c +++ b/arch/arm/kernel/jump_label.c @@ -4,8 +4,6 @@ #include <asm/patch.h> #include <asm/insn.h> -#ifdef HAVE_JUMP_LABEL - static void __arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type, bool is_static) @@ -35,5 +33,3 @@ void arch_jump_label_transform_static(struct jump_entry *entry, { __arch_jump_label_transform(entry, type, true); } - -#endif diff --git a/arch/arm/vdso/vgettimeofday.c b/arch/arm/vdso/vgettimeofday.c index a9dd619c6c29..7bdbf5d5c47d 100644 --- a/arch/arm/vdso/vgettimeofday.c +++ b/arch/arm/vdso/vgettimeofday.c @@ -18,9 +18,9 @@ #include <linux/compiler.h> #include <linux/hrtimer.h> #include <linux/time.h> -#include <asm/arch_timer.h> #include <asm/barrier.h> #include <asm/bug.h> +#include <asm/cp15.h> #include <asm/page.h> #include <asm/unistd.h> #include <asm/vdso_datapage.h> @@ -123,7 +123,8 @@ static notrace u64 get_ns(struct vdso_data *vdata) u64 cycle_now; u64 nsec; - cycle_now = arch_counter_get_cntvct(); + isb(); + cycle_now = read_sysreg(CNTVCT); cycle_delta = (cycle_now - vdata->cs_cycle_last) & vdata->cs_mask; diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1b1a0e95c751..8790a29d0af4 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -479,6 +479,24 @@ config ARM64_ERRATUM_1024718 If unsure, say Y. +config ARM64_ERRATUM_1463225 + bool "Cortex-A76: Software Step might prevent interrupt recognition" + default y + help + This option adds a workaround for Arm Cortex-A76 erratum 1463225. + + On the affected Cortex-A76 cores (r0p0 to r3p1), software stepping + of a system call instruction (SVC) can prevent recognition of + subsequent interrupts when software stepping is disabled in the + exception handler of the system call and either kernel debugging + is enabled or VHE is in use. + + Work around the erratum by triggering a dummy step exception + when handling a system call from a task that is being stepped + in a VHE configuration of the kernel. + + If unsure, say Y. + config CAVIUM_ERRATUM_22375 bool "Cavium erratum 22375, 24313" default y diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h index ae1f70450fb2..25ce9056cf64 100644 --- a/arch/arm64/include/asm/cpucaps.h +++ b/arch/arm64/include/asm/cpucaps.h @@ -51,7 +51,8 @@ #define ARM64_SSBD 30 #define ARM64_MISMATCHED_CACHE_TYPE 31 #define ARM64_HAS_STAGE2_FWB 32 +#define ARM64_WORKAROUND_1463225 33 -#define ARM64_NCAPS 33 +#define ARM64_NCAPS 34 #endif /* __ASM_CPUCAPS_H */ diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index ea690b3562af..b4a48419769f 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -86,6 +86,7 @@ #define ARM_CPU_PART_CORTEX_A75 0xD0A #define ARM_CPU_PART_CORTEX_A35 0xD04 #define ARM_CPU_PART_CORTEX_A55 0xD05 +#define ARM_CPU_PART_CORTEX_A76 0xD0B #define APM_CPU_PART_POTENZA 0x000 @@ -110,6 +111,7 @@ #define MIDR_CORTEX_A75 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A75) #define MIDR_CORTEX_A35 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A35) #define MIDR_CORTEX_A55 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A55) +#define MIDR_CORTEX_A76 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A76) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 1bdeca8918a6..ea423db39364 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -444,6 +444,8 @@ static inline phys_addr_t pmd_page_paddr(pmd_t pmd) return __pmd_to_phys(pmd); } +static inline void pte_unmap(pte_t *pte) { } + /* Find an entry in the third-level page table. */ #define pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) @@ -452,7 +454,6 @@ static inline phys_addr_t pmd_page_paddr(pmd_t pmd) #define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr)) #define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr)) -#define pte_unmap(pte) do { } while (0) #define pte_unmap_nested(pte) do { } while (0) #define pte_set_fixmap(addr) ((pte_t *)set_fixmap_offset(FIX_PTE, addr)) diff --git a/arch/arm64/include/asm/vdso_datapage.h b/arch/arm64/include/asm/vdso_datapage.h index 2b9a63771eda..f89263c8e11a 100644 --- a/arch/arm64/include/asm/vdso_datapage.h +++ b/arch/arm64/include/asm/vdso_datapage.h @@ -38,6 +38,7 @@ struct vdso_data { __u32 tz_minuteswest; /* Whacky timezone stuff */ __u32 tz_dsttime; __u32 use_syscall; + __u32 hrtimer_res; }; #endif /* !__ASSEMBLY__ */ diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c index 323aeb5f2fe6..92fba851ce53 100644 --- a/arch/arm64/kernel/asm-offsets.c +++ b/arch/arm64/kernel/asm-offsets.c @@ -99,7 +99,7 @@ int main(void) DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); DEFINE(CLOCK_MONOTONIC_RAW, CLOCK_MONOTONIC_RAW); - DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); + DEFINE(CLOCK_REALTIME_RES, offsetof(struct vdso_data, hrtimer_res)); DEFINE(CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE); DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE); DEFINE(CLOCK_COARSE_RES, LOW_RES_NSEC); diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index dec10898d688..dc6c535cbd13 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -411,6 +411,22 @@ static bool has_ssbd_mitigation(const struct arm64_cpu_capabilities *entry, } #endif /* CONFIG_ARM64_SSBD */ +#ifdef CONFIG_ARM64_ERRATUM_1463225 +DEFINE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa); + +static bool +has_cortex_a76_erratum_1463225(const struct arm64_cpu_capabilities *entry, + int scope) +{ + u32 midr = read_cpuid_id(); + /* Cortex-A76 r0p0 - r3p1 */ + struct midr_range range = MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1); + + WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible()); + return is_midr_in_range(midr, &range) && is_kernel_in_hyp_mode(); +} +#endif + #define CAP_MIDR_RANGE(model, v_min, r_min, v_max, r_max) \ .matches = is_affected_midr_range, \ .midr_range = MIDR_RANGE(model, v_min, r_min, v_max, r_max) @@ -680,6 +696,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .matches = has_ssbd_mitigation, }, #endif +#ifdef CONFIG_ARM64_ERRATUM_1463225 + { + .desc = "ARM erratum 1463225", + .capability = ARM64_WORKAROUND_1463225, + .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, + .matches = has_cortex_a76_erratum_1463225, + }, +#endif { } }; diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c index ea001241bdd4..00f8b8612b69 100644 --- a/arch/arm64/kernel/cpu_ops.c +++ b/arch/arm64/kernel/cpu_ops.c @@ -85,6 +85,7 @@ static const char *__init cpu_read_enable_method(int cpu) pr_err("%pOF: missing enable-method property\n", dn); } + of_node_put(dn); } else { enable_method = acpi_get_enable_method(cpu); if (!enable_method) { diff --git a/arch/arm64/kernel/jump_label.c b/arch/arm64/kernel/jump_label.c index e0756416e567..b90754aebd12 100644 --- a/arch/arm64/kernel/jump_label.c +++ b/arch/arm64/kernel/jump_label.c @@ -20,8 +20,6 @@ #include <linux/jump_label.h> #include <asm/insn.h> -#ifdef HAVE_JUMP_LABEL - void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) { @@ -49,5 +47,3 @@ void arch_jump_label_transform_static(struct jump_entry *entry, * NOP needs to be replaced by a branch. */ } - -#endif /* HAVE_JUMP_LABEL */ diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c index b09b6f75f759..06941c1fe418 100644 --- a/arch/arm64/kernel/kaslr.c +++ b/arch/arm64/kernel/kaslr.c @@ -145,15 +145,15 @@ u64 __init kaslr_early_init(u64 dt_phys) if (IS_ENABLED(CONFIG_RANDOMIZE_MODULE_REGION_FULL)) { /* - * Randomize the module region over a 4 GB window covering the + * Randomize the module region over a 2 GB window covering the * kernel. This reduces the risk of modules leaking information * about the address of the kernel itself, but results in * branches between modules and the core kernel that are * resolved via PLTs. (Branches between modules will be * resolved normally.) */ - module_range = SZ_4G - (u64)(_end - _stext); - module_alloc_base = max((u64)_end + offset - SZ_4G, + module_range = SZ_2G - (u64)(_end - _stext); + module_alloc_base = max((u64)_end + offset - SZ_2G, (u64)MODULES_VADDR); } else { /* diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index f0f27aeefb73..0b368ceccee4 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -56,7 +56,7 @@ void *module_alloc(unsigned long size) * can simply omit this fallback in that case. */ p = __vmalloc_node_range(size, MODULE_ALIGN, module_alloc_base, - module_alloc_base + SZ_4G, GFP_KERNEL, + module_alloc_base + SZ_2G, GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, __builtin_return_address(0)); diff --git a/arch/arm64/kernel/sys.c b/arch/arm64/kernel/sys.c index 6f91e8116514..162a95ed0881 100644 --- a/arch/arm64/kernel/sys.c +++ b/arch/arm64/kernel/sys.c @@ -50,7 +50,7 @@ SYSCALL_DEFINE1(arm64_personality, unsigned int, personality) /* * Wrappers to pass the pt_regs argument. */ -#define sys_personality sys_arm64_personality +#define __arm64_sys_personality __arm64_sys_arm64_personality asmlinkage long sys_ni_syscall(const struct pt_regs *); #define __arm64_sys_ni_syscall sys_ni_syscall diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c index 5610ac01c1ec..871c739f060a 100644 --- a/arch/arm64/kernel/syscall.c +++ b/arch/arm64/kernel/syscall.c @@ -8,6 +8,7 @@ #include <linux/syscalls.h> #include <asm/daifflags.h> +#include <asm/debug-monitors.h> #include <asm/fpsimd.h> #include <asm/syscall.h> #include <asm/thread_info.h> @@ -60,6 +61,35 @@ static inline bool has_syscall_work(unsigned long flags) int syscall_trace_enter(struct pt_regs *regs); void syscall_trace_exit(struct pt_regs *regs); +#ifdef CONFIG_ARM64_ERRATUM_1463225 +DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa); + +static void cortex_a76_erratum_1463225_svc_handler(void) +{ + u32 reg, val; + + if (!unlikely(test_thread_flag(TIF_SINGLESTEP))) + return; + + if (!unlikely(this_cpu_has_cap(ARM64_WORKAROUND_1463225))) + return; + + __this_cpu_write(__in_cortex_a76_erratum_1463225_wa, 1); + reg = read_sysreg(mdscr_el1); + val = reg | DBG_MDSCR_SS | DBG_MDSCR_KDE; + write_sysreg(val, mdscr_el1); + asm volatile("msr daifclr, #8"); + isb(); + + /* We will have taken a single-step exception by this point */ + + write_sysreg(reg, mdscr_el1); + __this_cpu_write(__in_cortex_a76_erratum_1463225_wa, 0); +} +#else +static void cortex_a76_erratum_1463225_svc_handler(void) { } +#endif /* CONFIG_ARM64_ERRATUM_1463225 */ + static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr, const syscall_fn_t syscall_table[]) { @@ -68,6 +98,7 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr, regs->orig_x0 = regs->regs[0]; regs->syscallno = scno; + cortex_a76_erratum_1463225_svc_handler(); local_daif_restore(DAIF_PROCCTX); user_exit(); diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 2d419006ad43..ec0bb588d755 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -232,6 +232,9 @@ void update_vsyscall(struct timekeeper *tk) vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec; vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec; + /* Read without the seqlock held by clock_getres() */ + WRITE_ONCE(vdso_data->hrtimer_res, hrtimer_resolution); + if (!use_syscall) { /* tkr_mono.cycle_last == tkr_raw.cycle_last */ vdso_data->cs_cycle_last = tk->tkr_mono.cycle_last; diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S index e8f60112818f..856fee6d3512 100644 --- a/arch/arm64/kernel/vdso/gettimeofday.S +++ b/arch/arm64/kernel/vdso/gettimeofday.S @@ -308,13 +308,14 @@ ENTRY(__kernel_clock_getres) ccmp w0, #CLOCK_MONOTONIC_RAW, #0x4, ne b.ne 1f - ldr x2, 5f + adr vdso_data, _vdso_data + ldr w2, [vdso_data, #CLOCK_REALTIME_RES] b 2f 1: cmp w0, #CLOCK_REALTIME_COARSE ccmp w0, #CLOCK_MONOTONIC_COARSE, #0x4, ne b.ne 4f - ldr x2, 6f + ldr x2, 5f 2: cbz x1, 3f stp xzr, x2, [x1] @@ -328,8 +329,6 @@ ENTRY(__kernel_clock_getres) svc #0 ret 5: - .quad CLOCK_REALTIME_RES -6: .quad CLOCK_COARSE_RES .cfi_endproc ENDPROC(__kernel_clock_getres) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index c389f2bef938..d3a5bb16f0b2 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -664,6 +664,11 @@ static int __iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret)) return ret; + if (!is_vmalloc_addr(cpu_addr)) { + unsigned long pfn = page_to_pfn(virt_to_page(cpu_addr)); + return __swiotlb_mmap_pfn(vma, pfn, size); + } + if (attrs & DMA_ATTR_FORCE_CONTIGUOUS) { /* * DMA_ATTR_FORCE_CONTIGUOUS allocations are always remapped, @@ -687,6 +692,11 @@ static int __iommu_get_sgtable(struct device *dev, struct sg_table *sgt, unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; struct vm_struct *area = find_vm_area(cpu_addr); + if (!is_vmalloc_addr(cpu_addr)) { + struct page *page = virt_to_page(cpu_addr); + return __swiotlb_get_sgtable_page(sgt, page, size); + } + if (attrs & DMA_ATTR_FORCE_CONTIGUOUS) { /* * DMA_ATTR_FORCE_CONTIGUOUS allocations are always remapped, diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index a4c134677285..88cf0a0cb616 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -827,14 +827,47 @@ void __init hook_debug_fault_code(int nr, debug_fault_info[nr].name = name; } +#ifdef CONFIG_ARM64_ERRATUM_1463225 +DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa); + +static int __exception +cortex_a76_erratum_1463225_debug_handler(struct pt_regs *regs) +{ + if (user_mode(regs)) + return 0; + + if (!__this_cpu_read(__in_cortex_a76_erratum_1463225_wa)) + return 0; + + /* + * We've taken a dummy step exception from the kernel to ensure + * that interrupts are re-enabled on the syscall path. Return back + * to cortex_a76_erratum_1463225_svc_handler() with debug exceptions + * masked so that we can safely restore the mdscr and get on with + * handling the syscall. + */ + regs->pstate |= PSR_D_BIT; + return 1; +} +#else +static int __exception +cortex_a76_erratum_1463225_debug_handler(struct pt_regs *regs) +{ + return 0; +} +#endif /* CONFIG_ARM64_ERRATUM_1463225 */ + asmlinkage int __exception do_debug_exception(unsigned long addr_if_watchpoint, - unsigned int esr, - struct pt_regs *regs) + unsigned int esr, + struct pt_regs *regs) { const struct fault_info *inf = debug_fault_info + DBG_ESR_EVT(esr); unsigned long pc = instruction_pointer(regs); int rv; + if (cortex_a76_erratum_1463225_debug_handler(regs)) + return 0; + /* * Tell lockdep we disabled irqs in entry.S. Do nothing if they were * already disabled to preserve the last enabled/disabled addresses. diff --git a/arch/mips/kernel/jump_label.c b/arch/mips/kernel/jump_label.c index 32e3168316cd..ab943927f97a 100644 --- a/arch/mips/kernel/jump_label.c +++ b/arch/mips/kernel/jump_label.c @@ -16,8 +16,6 @@ #include <asm/cacheflush.h> #include <asm/inst.h> -#ifdef HAVE_JUMP_LABEL - /* * Define parameters for the standard MIPS and the microMIPS jump * instruction encoding respectively: @@ -70,5 +68,3 @@ void arch_jump_label_transform(struct jump_entry *e, mutex_unlock(&text_mutex); } - -#endif /* HAVE_JUMP_LABEL */ diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index f7ea8e21656b..e7f5ef6bed0f 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -1099,6 +1099,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; break; + case KVM_CAP_MAX_VCPU_ID: + r = KVM_MAX_VCPU_ID; + break; case KVM_CAP_MIPS_FPU: /* We don't handle systems with inconsistent cpu_has_fpu */ r = !!raw_cpu_has_fpu; diff --git a/arch/powerpc/boot/addnote.c b/arch/powerpc/boot/addnote.c index 9d9f6f334d3c..3da3e2b1b51b 100644 --- a/arch/powerpc/boot/addnote.c +++ b/arch/powerpc/boot/addnote.c @@ -223,7 +223,11 @@ main(int ac, char **av) PUT_16(E_PHNUM, np + 2); /* write back */ - lseek(fd, (long) 0, SEEK_SET); + i = lseek(fd, (long) 0, SEEK_SET); + if (i < 0) { + perror("lseek"); + exit(1); + } i = write(fd, buf, n); if (i < 0) { perror("write"); diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h index 1f4691ce4126..e398173ae67d 100644 --- a/arch/powerpc/include/asm/asm-prototypes.h +++ b/arch/powerpc/include/asm/asm-prototypes.h @@ -38,7 +38,7 @@ extern struct static_key hcall_tracepoint_key; void __trace_hcall_entry(unsigned long opcode, unsigned long *args); void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf); /* OPAL tracing */ -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL extern struct static_key opal_tracepoint_key; #endif diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 4898e9491a1c..9168a247e24f 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -970,7 +970,9 @@ start_here_multiplatform: /* Restore parameters passed from prom_init/kexec */ mr r3,r31 - bl early_setup /* also sets r13 and SPRG_PACA */ + LOAD_REG_ADDR(r12, DOTSYM(early_setup)) + mtctr r12 + bctrl /* also sets r13 and SPRG_PACA */ LOAD_REG_ADDR(r3, start_here_common) ld r4,PACAKMSR(r13) diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c index 6472472093d0..0080c5fbd225 100644 --- a/arch/powerpc/kernel/jump_label.c +++ b/arch/powerpc/kernel/jump_label.c @@ -11,7 +11,6 @@ #include <linux/jump_label.h> #include <asm/code-patching.h> -#ifdef HAVE_JUMP_LABEL void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) { @@ -22,4 +21,3 @@ void arch_jump_label_transform(struct jump_entry *entry, else patch_instruction(addr, PPC_INST_NOP); } -#endif diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c index 3c6ab22a0c4e..af3c15a1d41e 100644 --- a/arch/powerpc/kernel/watchdog.c +++ b/arch/powerpc/kernel/watchdog.c @@ -77,7 +77,7 @@ static u64 wd_smp_panic_timeout_tb __read_mostly; /* panic other CPUs */ static u64 wd_timer_period_ms __read_mostly; /* interval between heartbeat */ -static DEFINE_PER_CPU(struct timer_list, wd_timer); +static DEFINE_PER_CPU(struct hrtimer, wd_hrtimer); static DEFINE_PER_CPU(u64, wd_timer_tb); /* SMP checker bits */ @@ -293,21 +293,21 @@ out: nmi_exit(); } -static void wd_timer_reset(unsigned int cpu, struct timer_list *t) -{ - t->expires = jiffies + msecs_to_jiffies(wd_timer_period_ms); - if (wd_timer_period_ms > 1000) - t->expires = __round_jiffies_up(t->expires, cpu); - add_timer_on(t, cpu); -} - -static void wd_timer_fn(struct timer_list *t) +static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) { int cpu = smp_processor_id(); + if (!(watchdog_enabled & NMI_WATCHDOG_ENABLED)) + return HRTIMER_NORESTART; + + if (!cpumask_test_cpu(cpu, &watchdog_cpumask)) + return HRTIMER_NORESTART; + watchdog_timer_interrupt(cpu); - wd_timer_reset(cpu, t); + hrtimer_forward_now(hrtimer, ms_to_ktime(wd_timer_period_ms)); + + return HRTIMER_RESTART; } void arch_touch_nmi_watchdog(void) @@ -323,37 +323,22 @@ void arch_touch_nmi_watchdog(void) } EXPORT_SYMBOL(arch_touch_nmi_watchdog); -static void start_watchdog_timer_on(unsigned int cpu) -{ - struct timer_list *t = per_cpu_ptr(&wd_timer, cpu); - - per_cpu(wd_timer_tb, cpu) = get_tb(); - - timer_setup(t, wd_timer_fn, TIMER_PINNED); - wd_timer_reset(cpu, t); -} - -static void stop_watchdog_timer_on(unsigned int cpu) -{ - struct timer_list *t = per_cpu_ptr(&wd_timer, cpu); - - del_timer_sync(t); -} - -static int start_wd_on_cpu(unsigned int cpu) +static void start_watchdog(void *arg) { + struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer); + int cpu = smp_processor_id(); unsigned long flags; if (cpumask_test_cpu(cpu, &wd_cpus_enabled)) { WARN_ON(1); - return 0; + return; } if (!(watchdog_enabled & NMI_WATCHDOG_ENABLED)) - return 0; + return; if (!cpumask_test_cpu(cpu, &watchdog_cpumask)) - return 0; + return; wd_smp_lock(&flags); cpumask_set_cpu(cpu, &wd_cpus_enabled); @@ -363,27 +348,40 @@ static int start_wd_on_cpu(unsigned int cpu) } wd_smp_unlock(&flags); - start_watchdog_timer_on(cpu); + *this_cpu_ptr(&wd_timer_tb) = get_tb(); - return 0; + hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + hrtimer->function = watchdog_timer_fn; + hrtimer_start(hrtimer, ms_to_ktime(wd_timer_period_ms), + HRTIMER_MODE_REL_PINNED); } -static int stop_wd_on_cpu(unsigned int cpu) +static int start_watchdog_on_cpu(unsigned int cpu) { + return smp_call_function_single(cpu, start_watchdog, NULL, true); +} + +static void stop_watchdog(void *arg) +{ + struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer); + int cpu = smp_processor_id(); unsigned long flags; if (!cpumask_test_cpu(cpu, &wd_cpus_enabled)) - return 0; /* Can happen in CPU unplug case */ + return; /* Can happen in CPU unplug case */ - stop_watchdog_timer_on(cpu); + hrtimer_cancel(hrtimer); wd_smp_lock(&flags); cpumask_clear_cpu(cpu, &wd_cpus_enabled); wd_smp_unlock(&flags); wd_smp_clear_cpu_pending(cpu, get_tb()); +} - return 0; +static int stop_watchdog_on_cpu(unsigned int cpu) +{ + return smp_call_function_single(cpu, stop_watchdog, NULL, true); } static void watchdog_calc_timeouts(void) @@ -402,7 +400,7 @@ void watchdog_nmi_stop(void) int cpu; for_each_cpu(cpu, &wd_cpus_enabled) - stop_wd_on_cpu(cpu); + stop_watchdog_on_cpu(cpu); } void watchdog_nmi_start(void) @@ -411,7 +409,7 @@ void watchdog_nmi_start(void) watchdog_calc_timeouts(); for_each_cpu_and(cpu, cpu_online_mask, &watchdog_cpumask) - start_wd_on_cpu(cpu); + start_watchdog_on_cpu(cpu); } /* @@ -423,7 +421,8 @@ int __init watchdog_nmi_probe(void) err = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "powerpc/watchdog:online", - start_wd_on_cpu, stop_wd_on_cpu); + start_watchdog_on_cpu, + stop_watchdog_on_cpu); if (err < 0) { pr_warn("could not be initialized"); return err; diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index 30c2eb766954..aae34f218ab4 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -1723,7 +1723,6 @@ static void kvmppc_xive_cleanup_irq(u32 hw_num, struct xive_irq_data *xd) { xive_vm_esb_load(xd, XIVE_ESB_SET_PQ_01); xive_native_configure_irq(hw_num, 0, MASKED, 0); - xive_cleanup_irq_data(xd); } static void kvmppc_xive_free_sources(struct kvmppc_xive_src_block *sb) @@ -1737,9 +1736,10 @@ static void kvmppc_xive_free_sources(struct kvmppc_xive_src_block *sb) continue; kvmppc_xive_cleanup_irq(state->ipi_number, &state->ipi_data); + xive_cleanup_irq_data(&state->ipi_data); xive_native_free_irq(state->ipi_number); - /* Pass-through, cleanup too */ + /* Pass-through, cleanup too but keep IRQ hw data */ if (state->pt_number) kvmppc_xive_cleanup_irq(state->pt_number, state->pt_data); diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 79b79408d92e..578174a33d22 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -632,6 +632,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; break; + case KVM_CAP_MAX_VCPU_ID: + r = KVM_MAX_VCPU_ID; + break; #ifdef CONFIG_PPC_BOOK3S_64 case KVM_CAP_PPC_GET_SMMU_INFO: r = 1; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 10fb43efef50..f473c05e9649 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1495,6 +1495,9 @@ int start_topology_update(void) { int rc = 0; + if (!topology_updates_enabled) + return 0; + if (firmware_has_feature(FW_FEATURE_PRRN)) { if (!prrn_enabled) { prrn_enabled = 1; @@ -1524,6 +1527,9 @@ int stop_topology_update(void) { int rc = 0; + if (!topology_updates_enabled) + return 0; + if (prrn_enabled) { prrn_enabled = 0; #ifdef CONFIG_SMP @@ -1579,11 +1585,13 @@ static ssize_t topology_write(struct file *file, const char __user *buf, kbuf[read_len] = '\0'; - if (!strncmp(kbuf, "on", 2)) + if (!strncmp(kbuf, "on", 2)) { + topology_updates_enabled = true; start_topology_update(); - else if (!strncmp(kbuf, "off", 3)) + } else if (!strncmp(kbuf, "off", 3)) { stop_topology_update(); - else + topology_updates_enabled = false; + } else return -EINVAL; return count; @@ -1598,9 +1606,7 @@ static const struct file_operations topology_ops = { static int topology_update_init(void) { - /* Do not poll for changes if disabled at boot */ - if (topology_updates_enabled) - start_topology_update(); + start_topology_update(); if (vphn_enabled) topology_schedule_update(); diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 81f8a0c838ae..4004dbdab9c7 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1827,6 +1827,7 @@ static int power_pmu_event_init(struct perf_event *event) int n; int err; struct cpu_hw_events *cpuhw; + u64 bhrb_filter; if (!ppmu) return -ENOENT; @@ -1932,13 +1933,14 @@ static int power_pmu_event_init(struct perf_event *event) err = power_check_constraints(cpuhw, events, cflags, n + 1); if (has_branch_stack(event)) { - cpuhw->bhrb_filter = ppmu->bhrb_filter_map( + bhrb_filter = ppmu->bhrb_filter_map( event->attr.branch_sample_type); - if (cpuhw->bhrb_filter == -1) { + if (bhrb_filter == -1) { put_cpu_var(cpu_hw_events); return -EOPNOTSUPP; } + cpuhw->bhrb_filter = bhrb_filter; } put_cpu_var(cpu_hw_events); diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index 1fafc32b12a0..555322677074 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -496,6 +496,11 @@ static int nest_imc_event_init(struct perf_event *event) * Get the base memory addresss for this cpu. */ chip_id = cpu_to_chip_id(event->cpu); + + /* Return, if chip_id is not valid */ + if (chip_id < 0) + return -ENODEV; + pcni = pmu->mem_info; do { if (pcni->id == chip_id) { @@ -503,7 +508,7 @@ static int nest_imc_event_init(struct perf_event *event) break; } pcni++; - } while (pcni); + } while (pcni->vbase != 0); if (!flag) return -ENODEV; diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index d12a2db26353..d10feef93b6b 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -29,6 +29,7 @@ enum { #define POWER8_MMCRA_IFM1 0x0000000040000000UL #define POWER8_MMCRA_IFM2 0x0000000080000000UL #define POWER8_MMCRA_IFM3 0x00000000C0000000UL +#define POWER8_MMCRA_BHRB_MASK 0x00000000C0000000UL /* * Raw event encoding for PowerISA v2.07 (Power8): @@ -243,6 +244,8 @@ static u64 power8_bhrb_filter_map(u64 branch_sample_type) static void power8_config_bhrb(u64 pmu_bhrb_filter) { + pmu_bhrb_filter &= POWER8_MMCRA_BHRB_MASK; + /* Enable BHRB filter in PMU */ mtspr(SPRN_MMCRA, (mfspr(SPRN_MMCRA) | pmu_bhrb_filter)); } diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c index e012b1030a5b..c07b1615ee39 100644 --- a/arch/powerpc/perf/power9-pmu.c +++ b/arch/powerpc/perf/power9-pmu.c @@ -100,6 +100,7 @@ enum { #define POWER9_MMCRA_IFM1 0x0000000040000000UL #define POWER9_MMCRA_IFM2 0x0000000080000000UL #define POWER9_MMCRA_IFM3 0x00000000C0000000UL +#define POWER9_MMCRA_BHRB_MASK 0x00000000C0000000UL /* Nasty Power9 specific hack */ #define PVR_POWER9_CUMULUS 0x00002000 @@ -308,6 +309,8 @@ static u64 power9_bhrb_filter_map(u64 branch_sample_type) static void power9_config_bhrb(u64 pmu_bhrb_filter) { + pmu_bhrb_filter &= POWER9_MMCRA_BHRB_MASK; + /* Enable BHRB filter in PMU */ mtspr(SPRN_MMCRA, (mfspr(SPRN_MMCRA) | pmu_bhrb_filter)); } diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c index 58a07948c76e..3d27f02695e4 100644 --- a/arch/powerpc/platforms/powernv/opal-imc.c +++ b/arch/powerpc/platforms/powernv/opal-imc.c @@ -127,7 +127,7 @@ static int imc_get_mem_addr_nest(struct device_node *node, nr_chips)) goto error; - pmu_ptr->mem_info = kcalloc(nr_chips, sizeof(*pmu_ptr->mem_info), + pmu_ptr->mem_info = kcalloc(nr_chips + 1, sizeof(*pmu_ptr->mem_info), GFP_KERNEL); if (!pmu_ptr->mem_info) goto error; diff --git a/arch/powerpc/platforms/powernv/opal-tracepoints.c b/arch/powerpc/platforms/powernv/opal-tracepoints.c index 1ab7d26c0a2c..f16a43540e30 100644 --- a/arch/powerpc/platforms/powernv/opal-tracepoints.c +++ b/arch/powerpc/platforms/powernv/opal-tracepoints.c @@ -4,7 +4,7 @@ #include <asm/trace.h> #include <asm/asm-prototypes.h> -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL struct static_key opal_tracepoint_key = STATIC_KEY_INIT; int opal_tracepoint_regfunc(void) diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 251528231a9e..f4875fe3f8ff 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -20,7 +20,7 @@ .section ".text" #ifdef CONFIG_TRACEPOINTS -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL #define OPAL_BRANCH(LABEL) \ ARCH_STATIC_BRANCH(LABEL, opal_tracepoint_key) #else diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index d91412c591ef..50dc9426d0be 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -19,7 +19,7 @@ #ifdef CONFIG_TRACEPOINTS -#ifndef HAVE_JUMP_LABEL +#ifndef CONFIG_JUMP_LABEL .section ".toc","aw" .globl hcall_tracepoint_refcount @@ -79,7 +79,7 @@ hcall_tracepoint_refcount: mr r5,BUFREG; \ __HCALL_INST_POSTCALL -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL #define HCALL_BRANCH(LABEL) \ ARCH_STATIC_BRANCH(LABEL, hcall_tracepoint_key) #else diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index d3992ced0782..9e52b686a8fa 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -828,7 +828,7 @@ EXPORT_SYMBOL(arch_free_page); #endif /* CONFIG_PPC_BOOK3S_64 */ #ifdef CONFIG_TRACEPOINTS -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL struct static_key hcall_tracepoint_key = STATIC_KEY_INIT; int hcall_tracepoint_regfunc(void) diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index c54cb26eb7f5..8ff7cb3da1cb 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -27,14 +27,14 @@ #include <linux/module.h> #include <linux/cpufeature.h> #include <linux/init.h> -#include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/fips.h> #include <linux/string.h> #include <crypto/xts.h> #include <asm/cpacf.h> static u8 *ctrblk; -static DEFINE_SPINLOCK(ctrblk_lock); +static DEFINE_MUTEX(ctrblk_lock); static cpacf_mask_t km_functions, kmc_functions, kmctr_functions, kma_functions; @@ -698,7 +698,7 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, unsigned long modifier, unsigned int n, nbytes; int ret, locked; - locked = spin_trylock(&ctrblk_lock); + locked = mutex_trylock(&ctrblk_lock); ret = blkcipher_walk_virt_block(desc, walk, AES_BLOCK_SIZE); while ((nbytes = walk->nbytes) >= AES_BLOCK_SIZE) { @@ -716,7 +716,7 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, unsigned long modifier, ret = blkcipher_walk_done(desc, walk, nbytes - n); } if (locked) - spin_unlock(&ctrblk_lock); + mutex_unlock(&ctrblk_lock); /* * final block may be < AES_BLOCK_SIZE, copy only nbytes */ @@ -826,19 +826,45 @@ static int gcm_aes_setauthsize(struct crypto_aead *tfm, unsigned int authsize) return 0; } -static void gcm_sg_walk_start(struct gcm_sg_walk *gw, struct scatterlist *sg, - unsigned int len) +static void gcm_walk_start(struct gcm_sg_walk *gw, struct scatterlist *sg, + unsigned int len) { memset(gw, 0, sizeof(*gw)); gw->walk_bytes_remain = len; scatterwalk_start(&gw->walk, sg); } -static int gcm_sg_walk_go(struct gcm_sg_walk *gw, unsigned int minbytesneeded) +static inline unsigned int _gcm_sg_clamp_and_map(struct gcm_sg_walk *gw) +{ + struct scatterlist *nextsg; + + gw->walk_bytes = scatterwalk_clamp(&gw->walk, gw->walk_bytes_remain); + while (!gw->walk_bytes) { + nextsg = sg_next(gw->walk.sg); + if (!nextsg) + return 0; + scatterwalk_start(&gw->walk, nextsg); + gw->walk_bytes = scatterwalk_clamp(&gw->walk, + gw->walk_bytes_remain); + } + gw->walk_ptr = scatterwalk_map(&gw->walk); + return gw->walk_bytes; +} + +static inline void _gcm_sg_unmap_and_advance(struct gcm_sg_walk *gw, + unsigned int nbytes) +{ + gw->walk_bytes_remain -= nbytes; + scatterwalk_unmap(&gw->walk); + scatterwalk_advance(&gw->walk, nbytes); + scatterwalk_done(&gw->walk, 0, gw->walk_bytes_remain); + gw->walk_ptr = NULL; +} + +static int gcm_in_walk_go(struct gcm_sg_walk *gw, unsigned int minbytesneeded) { int n; - /* minbytesneeded <= AES_BLOCK_SIZE */ if (gw->buf_bytes && gw->buf_bytes >= minbytesneeded) { gw->ptr = gw->buf; gw->nbytes = gw->buf_bytes; @@ -851,13 +877,11 @@ static int gcm_sg_walk_go(struct gcm_sg_walk *gw, unsigned int minbytesneeded) goto out; } - gw->walk_bytes = scatterwalk_clamp(&gw->walk, gw->walk_bytes_remain); - if (!gw->walk_bytes) { - scatterwalk_start(&gw->walk, sg_next(gw->walk.sg)); - gw->walk_bytes = scatterwalk_clamp(&gw->walk, - gw->walk_bytes_remain); + if (!_gcm_sg_clamp_and_map(gw)) { + gw->ptr = NULL; + gw->nbytes = 0; + goto out; } - gw->walk_ptr = scatterwalk_map(&gw->walk); if (!gw->buf_bytes && gw->walk_bytes >= minbytesneeded) { gw->ptr = gw->walk_ptr; @@ -869,51 +893,90 @@ static int gcm_sg_walk_go(struct gcm_sg_walk *gw, unsigned int minbytesneeded) n = min(gw->walk_bytes, AES_BLOCK_SIZE - gw->buf_bytes); memcpy(gw->buf + gw->buf_bytes, gw->walk_ptr, n); gw->buf_bytes += n; - gw->walk_bytes_remain -= n; - scatterwalk_unmap(&gw->walk); - scatterwalk_advance(&gw->walk, n); - scatterwalk_done(&gw->walk, 0, gw->walk_bytes_remain); - + _gcm_sg_unmap_and_advance(gw, n); if (gw->buf_bytes >= minbytesneeded) { gw->ptr = gw->buf; gw->nbytes = gw->buf_bytes; goto out; } - - gw->walk_bytes = scatterwalk_clamp(&gw->walk, - gw->walk_bytes_remain); - if (!gw->walk_bytes) { - scatterwalk_start(&gw->walk, sg_next(gw->walk.sg)); - gw->walk_bytes = scatterwalk_clamp(&gw->walk, - gw->walk_bytes_remain); + if (!_gcm_sg_clamp_and_map(gw)) { + gw->ptr = NULL; + gw->nbytes = 0; + goto out; } - gw->walk_ptr = scatterwalk_map(&gw->walk); } out: return gw->nbytes; } -static void gcm_sg_walk_done(struct gcm_sg_walk *gw, unsigned int bytesdone) +static int gcm_out_walk_go(struct gcm_sg_walk *gw, unsigned int minbytesneeded) { - int n; + if (gw->walk_bytes_remain == 0) { + gw->ptr = NULL; + gw->nbytes = 0; + goto out; + } + if (!_gcm_sg_clamp_and_map(gw)) { + gw->ptr = NULL; + gw->nbytes = 0; + goto out; + } + + if (gw->walk_bytes >= minbytesneeded) { + gw->ptr = gw->walk_ptr; + gw->nbytes = gw->walk_bytes; + goto out; + } + + scatterwalk_unmap(&gw->walk); + gw->walk_ptr = NULL; + + gw->ptr = gw->buf; + gw->nbytes = sizeof(gw->buf); + +out: + return gw->nbytes; +} + +static int gcm_in_walk_done(struct gcm_sg_walk *gw, unsigned int bytesdone) +{ if (gw->ptr == NULL) - return; + return 0; if (gw->ptr == gw->buf) { - n = gw->buf_bytes - bytesdone; + int n = gw->buf_bytes - bytesdone; if (n > 0) { memmove(gw->buf, gw->buf + bytesdone, n); - gw->buf_bytes -= n; + gw->buf_bytes = n; } else gw->buf_bytes = 0; - } else { - gw->walk_bytes_remain -= bytesdone; - scatterwalk_unmap(&gw->walk); - scatterwalk_advance(&gw->walk, bytesdone); - scatterwalk_done(&gw->walk, 0, gw->walk_bytes_remain); - } + } else + _gcm_sg_unmap_and_advance(gw, bytesdone); + + return bytesdone; +} + +static int gcm_out_walk_done(struct gcm_sg_walk *gw, unsigned int bytesdone) +{ + int i, n; + + if (gw->ptr == NULL) + return 0; + + if (gw->ptr == gw->buf) { + for (i = 0; i < bytesdone; i += n) { + if (!_gcm_sg_clamp_and_map(gw)) + return i; + n = min(gw->walk_bytes, bytesdone - i); + memcpy(gw->walk_ptr, gw->buf + i, n); + _gcm_sg_unmap_and_advance(gw, n); + } + } else + _gcm_sg_unmap_and_advance(gw, bytesdone); + + return bytesdone; } static int gcm_aes_crypt(struct aead_request *req, unsigned int flags) @@ -926,7 +989,7 @@ static int gcm_aes_crypt(struct aead_request *req, unsigned int flags) unsigned int pclen = req->cryptlen; int ret = 0; - unsigned int len, in_bytes, out_bytes, + unsigned int n, len, in_bytes, out_bytes, min_bytes, bytes, aad_bytes, pc_bytes; struct gcm_sg_walk gw_in, gw_out; u8 tag[GHASH_DIGEST_SIZE]; @@ -963,14 +1026,14 @@ static int gcm_aes_crypt(struct aead_request *req, unsigned int flags) *(u32 *)(param.j0 + ivsize) = 1; memcpy(param.k, ctx->key, ctx->key_len); - gcm_sg_walk_start(&gw_in, req->src, len); - gcm_sg_walk_start(&gw_out, req->dst, len); + gcm_walk_start(&gw_in, req->src, len); + gcm_walk_start(&gw_out, req->dst, len); do { min_bytes = min_t(unsigned int, aadlen > 0 ? aadlen : pclen, AES_BLOCK_SIZE); - in_bytes = gcm_sg_walk_go(&gw_in, min_bytes); - out_bytes = gcm_sg_walk_go(&gw_out, min_bytes); + in_bytes = gcm_in_walk_go(&gw_in, min_bytes); + out_bytes = gcm_out_walk_go(&gw_out, min_bytes); bytes = min(in_bytes, out_bytes); if (aadlen + pclen <= bytes) { @@ -997,8 +1060,11 @@ static int gcm_aes_crypt(struct aead_request *req, unsigned int flags) gw_in.ptr + aad_bytes, pc_bytes, gw_in.ptr, aad_bytes); - gcm_sg_walk_done(&gw_in, aad_bytes + pc_bytes); - gcm_sg_walk_done(&gw_out, aad_bytes + pc_bytes); + n = aad_bytes + pc_bytes; + if (gcm_in_walk_done(&gw_in, n) != n) + return -ENOMEM; + if (gcm_out_walk_done(&gw_out, n) != n) + return -ENOMEM; aadlen -= aad_bytes; pclen -= pc_bytes; } while (aadlen + pclen > 0); diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 5346b5a80bb6..65bda1178963 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -14,6 +14,7 @@ #include <linux/cpufeature.h> #include <linux/crypto.h> #include <linux/fips.h> +#include <linux/mutex.h> #include <crypto/algapi.h> #include <crypto/des.h> #include <asm/cpacf.h> @@ -21,7 +22,7 @@ #define DES3_KEY_SIZE (3 * DES_KEY_SIZE) static u8 *ctrblk; -static DEFINE_SPINLOCK(ctrblk_lock); +static DEFINE_MUTEX(ctrblk_lock); static cpacf_mask_t km_functions, kmc_functions, kmctr_functions; @@ -387,7 +388,7 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, unsigned int n, nbytes; int ret, locked; - locked = spin_trylock(&ctrblk_lock); + locked = mutex_trylock(&ctrblk_lock); ret = blkcipher_walk_virt_block(desc, walk, DES_BLOCK_SIZE); while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) { @@ -404,7 +405,7 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, ret = blkcipher_walk_done(desc, walk, nbytes - n); } if (locked) - spin_unlock(&ctrblk_lock); + mutex_unlock(&ctrblk_lock); /* final block may be < DES_BLOCK_SIZE, copy only nbytes */ if (nbytes) { cpacf_kmctr(fc, ctx->key, buf, walk->src.virt.addr, diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index dbfd1730e631..b205c0ff0b22 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -44,7 +44,7 @@ CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o early_nobss.o -obj-y += sysinfo.o jump_label.o lgr.o os_info.o machine_kexec.o pgm_check.o +obj-y += sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o obj-y += nospec-branch.o @@ -68,6 +68,7 @@ obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_UPROBES) += uprobes.o +obj-$(CONFIG_JUMP_LABEL) += jump_label.o obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c index 43f8430fb67d..68f415e334a5 100644 --- a/arch/s390/kernel/jump_label.c +++ b/arch/s390/kernel/jump_label.c @@ -10,8 +10,6 @@ #include <linux/jump_label.h> #include <asm/ipl.h> -#ifdef HAVE_JUMP_LABEL - struct insn { u16 opcode; s32 offset; @@ -102,5 +100,3 @@ void arch_jump_label_transform_static(struct jump_entry *entry, { __jump_label_transform(entry, type, 1); } - -#endif diff --git a/arch/s390/kernel/kexec_elf.c b/arch/s390/kernel/kexec_elf.c index 5a286b012043..602e7cc26d11 100644 --- a/arch/s390/kernel/kexec_elf.c +++ b/arch/s390/kernel/kexec_elf.c @@ -19,10 +19,15 @@ static int kexec_file_add_elf_kernel(struct kimage *image, struct kexec_buf buf; const Elf_Ehdr *ehdr; const Elf_Phdr *phdr; + Elf_Addr entry; int i, ret; ehdr = (Elf_Ehdr *)kernel; buf.image = image; + if (image->type == KEXEC_TYPE_CRASH) + entry = STARTUP_KDUMP_OFFSET; + else + entry = ehdr->e_entry; phdr = (void *)ehdr + ehdr->e_phoff; for (i = 0; i < ehdr->e_phnum; i++, phdr++) { @@ -35,7 +40,7 @@ static int kexec_file_add_elf_kernel(struct kimage *image, buf.mem = ALIGN(phdr->p_paddr, phdr->p_align); buf.memsz = phdr->p_memsz; - if (phdr->p_paddr == 0) { + if (entry - phdr->p_paddr < phdr->p_memsz) { data->kernel_buf = buf.buffer; data->memsz += STARTUP_NORMAL_OFFSET; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index ac5da6b0b862..f538e3fac7ad 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -489,6 +489,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) break; case KVM_CAP_NR_VCPUS: case KVM_CAP_MAX_VCPUS: + case KVM_CAP_MAX_VCPU_ID: r = KVM_S390_BSCA_CPU_SLOTS; if (!kvm_s390_use_sca_entries()) r = KVM_MAX_VCPUS; diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index f2cc7da473e4..ae894ac83fd6 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -410,6 +410,7 @@ static inline pmd_t pmdp_flush_lazy(struct mm_struct *mm, return old; } +#ifdef CONFIG_PGSTE static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) { pgd_t *pgd; @@ -427,6 +428,7 @@ static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) pmd = pmd_alloc(mm, pud, addr); return pmd; } +#endif pmd_t pmdp_xchg_direct(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t new) diff --git a/arch/sh/include/cpu-sh4/cpu/sh7786.h b/arch/sh/include/cpu-sh4/cpu/sh7786.h index 96b8cb1f754a..029bbadaf7ab 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7786.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7786.h @@ -135,7 +135,7 @@ enum { static inline u32 sh7786_mm_sel(void) { - return __raw_readl(0xFC400020) & 0x7; + return __raw_readl((const volatile void __iomem *)0xFC400020) & 0x7; } #endif /* __CPU_SH7786_H__ */ diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index cf8640841b7a..97c0e19263d1 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -118,4 +118,4 @@ pc--$(CONFIG_PERF_EVENTS) := perf_event.o obj-$(CONFIG_SPARC64) += $(pc--y) obj-$(CONFIG_UPROBES) += uprobes.o -obj-$(CONFIG_SPARC64) += jump_label.o +obj-$(CONFIG_JUMP_LABEL) += jump_label.o diff --git a/arch/sparc/kernel/jump_label.c b/arch/sparc/kernel/jump_label.c index 7f8eac51df33..a4cfaeecaf5e 100644 --- a/arch/sparc/kernel/jump_label.c +++ b/arch/sparc/kernel/jump_label.c @@ -9,8 +9,6 @@ #include <asm/cacheflush.h> -#ifdef HAVE_JUMP_LABEL - void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) { @@ -47,5 +45,3 @@ void arch_jump_label_transform(struct jump_entry *entry, flushi(insn); mutex_unlock(&text_mutex); } - -#endif diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S index d245f89d1395..d220b6848746 100644 --- a/arch/sparc/mm/ultra.S +++ b/arch/sparc/mm/ultra.S @@ -587,7 +587,7 @@ xcall_flush_tlb_kernel_range: /* 44 insns */ sub %g7, %g1, %g3 srlx %g3, 18, %g2 brnz,pn %g2, 2f - add %g2, 1, %g2 + sethi %hi(PAGE_SIZE), %g2 sub %g3, %g2, %g3 or %g1, 0x20, %g1 ! Nucleus 1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP @@ -751,7 +751,7 @@ __cheetah_xcall_flush_tlb_kernel_range: /* 44 insns */ sub %g7, %g1, %g3 srlx %g3, 18, %g2 brnz,pn %g2, 2f - add %g2, 1, %g2 + sethi %hi(PAGE_SIZE), %g2 sub %g3, %g2, %g3 or %g1, 0x20, %g1 ! Nucleus 1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP diff --git a/arch/x86/Makefile b/arch/x86/Makefile index ffc823a8312f..ce0d0424a53d 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -47,7 +47,7 @@ export REALMODE_CFLAGS export BITS ifdef CONFIG_X86_NEED_RELOCS - LDFLAGS_vmlinux := --emit-relocs + LDFLAGS_vmlinux := --emit-relocs --discard-none endif # @@ -305,7 +305,7 @@ vdso_install: archprepare: checkbin checkbin: -ifndef CC_HAVE_ASM_GOTO +ifndef CONFIG_CC_HAS_ASM_GOTO @echo Compiler lacks asm-goto support. @exit 1 endif diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h index 352e70cd33e8..e699b2041665 100644 --- a/arch/x86/entry/calling.h +++ b/arch/x86/entry/calling.h @@ -337,7 +337,7 @@ For 32-bit we have the following conventions - kernel is built with */ .macro CALL_enter_from_user_mode #ifdef CONFIG_CONTEXT_TRACKING -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL STATIC_JUMP_IF_FALSE .Lafter_call_\@, context_tracking_enabled, def=0 #endif call enter_from_user_mode diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index 56194c571299..4a650eb3d94a 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -584,6 +584,8 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = { X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT_X, glm_cstates), X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT_PLUS, glm_cstates), + + X86_CSTATES_MODEL(INTEL_FAM6_ICELAKE_MOBILE, snb_cstates), { }, }; MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match); diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c index 91039ffed633..2413169ce362 100644 --- a/arch/x86/events/intel/rapl.c +++ b/arch/x86/events/intel/rapl.c @@ -780,6 +780,8 @@ static const struct x86_cpu_id rapl_cpu_match[] __initconst = { X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT_X, hsw_rapl_init), X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT_PLUS, hsw_rapl_init), + + X86_RAPL_MODEL_MATCH(INTEL_FAM6_ICELAKE_MOBILE, skl_rapl_init), {}, }; diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c index 1b9f85abf9bc..ace6c1e752fb 100644 --- a/arch/x86/events/msr.c +++ b/arch/x86/events/msr.c @@ -89,6 +89,7 @@ static bool test_intel(int idx) case INTEL_FAM6_SKYLAKE_X: case INTEL_FAM6_KABYLAKE_MOBILE: case INTEL_FAM6_KABYLAKE_DESKTOP: + case INTEL_FAM6_ICELAKE_MOBILE: if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF) return true; break; diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 86b1341cba9a..513ba49c204f 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -61,9 +61,8 @@ } while (0) #define RELOAD_SEG(seg) { \ - unsigned int pre = GET_SEG(seg); \ + unsigned int pre = (seg) | 3; \ unsigned int cur = get_user_seg(seg); \ - pre |= 3; \ if (pre != cur) \ set_user_seg(seg, pre); \ } @@ -72,6 +71,7 @@ static int ia32_restore_sigcontext(struct pt_regs *regs, struct sigcontext_32 __user *sc) { unsigned int tmpflags, err = 0; + u16 gs, fs, es, ds; void __user *buf; u32 tmp; @@ -79,16 +79,10 @@ static int ia32_restore_sigcontext(struct pt_regs *regs, current->restart_block.fn = do_no_restart_syscall; get_user_try { - /* - * Reload fs and gs if they have changed in the signal - * handler. This does not handle long fs/gs base changes in - * the handler, but does not clobber them at least in the - * normal case. - */ - RELOAD_SEG(gs); - RELOAD_SEG(fs); - RELOAD_SEG(ds); - RELOAD_SEG(es); + gs = GET_SEG(gs); + fs = GET_SEG(fs); + ds = GET_SEG(ds); + es = GET_SEG(es); COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx); COPY(dx); COPY(cx); COPY(ip); COPY(ax); @@ -106,6 +100,17 @@ static int ia32_restore_sigcontext(struct pt_regs *regs, buf = compat_ptr(tmp); } get_user_catch(err); + /* + * Reload fs and gs if they have changed in the signal + * handler. This does not handle long fs/gs base changes in + * the handler, but does not clobber them at least in the + * normal case. + */ + RELOAD_SEG(gs); + RELOAD_SEG(fs); + RELOAD_SEG(ds); + RELOAD_SEG(es); + err |= fpu__restore_sig(buf, 1); force_iret(); diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index aced6c9290d6..ce95b8cbd229 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -140,7 +140,7 @@ extern void clear_cpu_cap(struct cpuinfo_x86 *c, unsigned int bit); #define setup_force_cpu_bug(bit) setup_force_cpu_cap(bit) -#if defined(__clang__) && !defined(CC_HAVE_ASM_GOTO) +#if defined(__clang__) && !defined(CONFIG_CC_HAS_ASM_GOTO) /* * Workaround for the sake of BPF compilation which utilizes kernel diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h index 8c0de4282659..7010e1c594c4 100644 --- a/arch/x86/include/asm/jump_label.h +++ b/arch/x86/include/asm/jump_label.h @@ -2,19 +2,6 @@ #ifndef _ASM_X86_JUMP_LABEL_H #define _ASM_X86_JUMP_LABEL_H -#ifndef HAVE_JUMP_LABEL -/* - * For better or for worse, if jump labels (the gcc extension) are missing, - * then the entire static branch patching infrastructure is compiled out. - * If that happens, the code in here will malfunction. Raise a compiler - * error instead. - * - * In theory, jump labels and the static branch patching infrastructure - * could be decoupled to fix this. - */ -#error asm/jump_label.h included on a non-jump-label kernel -#endif - #define JUMP_LABEL_NOP_SIZE 5 #ifdef CONFIG_X86_64 diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h index 4914a3e7c803..033dc7ca49e9 100644 --- a/arch/x86/include/asm/rmwcc.h +++ b/arch/x86/include/asm/rmwcc.h @@ -4,7 +4,7 @@ #define __CLOBBERS_MEM(clb...) "memory", ## clb -#if !defined(__GCC_ASM_FLAG_OUTPUTS__) && defined(CC_HAVE_ASM_GOTO) +#if !defined(__GCC_ASM_FLAG_OUTPUTS__) && defined(CONFIG_CC_HAS_ASM_GOTO) /* Use asm goto */ @@ -21,7 +21,7 @@ cc_label: \ #define __BINARY_RMWcc_ARG " %1, " -#else /* defined(__GCC_ASM_FLAG_OUTPUTS__) || !defined(CC_HAVE_ASM_GOTO) */ +#else /* defined(__GCC_ASM_FLAG_OUTPUTS__) || !defined(CONFIG_CC_HAS_ASM_GOTO) */ /* Use flags output or a set instruction */ @@ -36,7 +36,7 @@ do { \ #define __BINARY_RMWcc_ARG " %2, " -#endif /* defined(__GCC_ASM_FLAG_OUTPUTS__) || !defined(CC_HAVE_ASM_GOTO) */ +#endif /* defined(__GCC_ASM_FLAG_OUTPUTS__) || !defined(CONFIG_CC_HAS_ASM_GOTO) */ #define GEN_UNARY_RMWcc(op, var, arg0, cc) \ __GEN_RMWcc(op " " arg0, var, cc, __CLOBBERS_MEM()) diff --git a/arch/x86/include/asm/text-patching.h b/arch/x86/include/asm/text-patching.h index 05861cc08787..0bbb07eaed6b 100644 --- a/arch/x86/include/asm/text-patching.h +++ b/arch/x86/include/asm/text-patching.h @@ -39,6 +39,7 @@ extern int poke_int3_handler(struct pt_regs *regs); extern void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler); extern int after_bootmem; +#ifndef CONFIG_UML_X86 static inline void int3_emulate_jmp(struct pt_regs *regs, unsigned long ip) { regs->ip = ip; @@ -65,6 +66,7 @@ static inline void int3_emulate_call(struct pt_regs *regs, unsigned long func) int3_emulate_push(regs, regs->ip - INT3_INSN_SIZE + CALL_INSN_SIZE); int3_emulate_jmp(regs, func); } -#endif +#endif /* CONFIG_X86_64 */ +#endif /* !CONFIG_UML_X86 */ #endif /* _ASM_X86_TEXT_PATCHING_H */ diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 8824d01c0c35..da0b6bc090f3 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -49,7 +49,8 @@ obj-$(CONFIG_COMPAT) += signal_compat.o obj-y += traps.o idt.o irq.o irq_$(BITS).o dumpstack_$(BITS).o obj-y += time.o ioport.o dumpstack.o nmi.o obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o -obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o +obj-y += setup.o x86_init.o i8259.o irqinit.o +obj-$(CONFIG_JUMP_LABEL) += jump_label.o obj-$(CONFIG_IRQ_WORK) += irq_work.o obj-y += probe_roms.o obj-$(CONFIG_X86_64) += sys_x86_64.o diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index b9d5e7c9ef43..918a23704c0c 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -662,15 +662,29 @@ void __init alternative_instructions(void) * handlers seeing an inconsistent instruction while you patch. */ void *__init_or_module text_poke_early(void *addr, const void *opcode, - size_t len) + size_t len) { unsigned long flags; - local_irq_save(flags); - memcpy(addr, opcode, len); - local_irq_restore(flags); - sync_core(); - /* Could also do a CLFLUSH here to speed up CPU recovery; but - that causes hangs on some VIA CPUs. */ + + if (boot_cpu_has(X86_FEATURE_NX) && + is_module_text_address((unsigned long)addr)) { + /* + * Modules text is marked initially as non-executable, so the + * code cannot be running and speculative code-fetches are + * prevented. Just change the code. + */ + memcpy(addr, opcode, len); + } else { + local_irq_save(flags); + memcpy(addr, opcode, len); + local_irq_restore(flags); + sync_core(); + + /* + * Could also do a CLFLUSH here to speed up CPU recovery; but + * that causes hangs on some VIA CPUs. + */ + } return addr; } diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c index c805a06e14c3..ff1c00b695ae 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-inject.c +++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c @@ -46,8 +46,6 @@ static struct mce i_mce; static struct dentry *dfs_inj; -static u8 n_banks; - #define MAX_FLAG_OPT_SIZE 4 #define NBCFG 0x44 @@ -567,9 +565,15 @@ err: static int inj_bank_set(void *data, u64 val) { struct mce *m = (struct mce *)data; + u8 n_banks; + u64 cap; + + /* Get bank count on target CPU so we can handle non-uniform values. */ + rdmsrl_on_cpu(m->extcpu, MSR_IA32_MCG_CAP, &cap); + n_banks = cap & MCG_BANKCNT_MASK; if (val >= n_banks) { - pr_err("Non-existent MCE bank: %llu\n", val); + pr_err("MCA bank %llu non-existent on CPU%d\n", val, m->extcpu); return -EINVAL; } @@ -659,10 +663,6 @@ static struct dfs_node { static int __init debugfs_init(void) { unsigned int i; - u64 cap; - - rdmsrl(MSR_IA32_MCG_CAP, cap); - n_banks = cap & MCG_BANKCNT_MASK; dfs_inj = debugfs_create_dir("mce-inject", NULL); if (!dfs_inj) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index f9e7096b1804..fee118b3b69f 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -711,19 +711,49 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b) barrier(); m.status = mce_rdmsrl(msr_ops.status(i)); + + /* If this entry is not valid, ignore it */ if (!(m.status & MCI_STATUS_VAL)) continue; /* - * Uncorrected or signalled events are handled by the exception - * handler when it is enabled, so don't process those here. - * - * TBD do the same check for MCI_STATUS_EN here? + * If we are logging everything (at CPU online) or this + * is a corrected error, then we must log it. */ - if (!(flags & MCP_UC) && - (m.status & (mca_cfg.ser ? MCI_STATUS_S : MCI_STATUS_UC))) - continue; + if ((flags & MCP_UC) || !(m.status & MCI_STATUS_UC)) + goto log_it; + + /* + * Newer Intel systems that support software error + * recovery need to make additional checks. Other + * CPUs should skip over uncorrected errors, but log + * everything else. + */ + if (!mca_cfg.ser) { + if (m.status & MCI_STATUS_UC) + continue; + goto log_it; + } + + /* Log "not enabled" (speculative) errors */ + if (!(m.status & MCI_STATUS_EN)) + goto log_it; + + /* + * Log UCNA (SDM: 15.6.3 "UCR Error Classification") + * UC == 1 && PCC == 0 && S == 0 + */ + if (!(m.status & MCI_STATUS_PCC) && !(m.status & MCI_STATUS_S)) + goto log_it; + + /* + * Skip anything else. Presumption is that our read of this + * bank is racing with a machine check. Leave the log alone + * for do_machine_check() to deal with it. + */ + continue; +log_it: error_seen = true; mce_read_aux(&m, i); @@ -1450,13 +1480,12 @@ EXPORT_SYMBOL_GPL(mce_notify_irq); static int __mcheck_cpu_mce_banks_init(void) { int i; - u8 num_banks = mca_cfg.banks; - mce_banks = kcalloc(num_banks, sizeof(struct mce_bank), GFP_KERNEL); + mce_banks = kcalloc(MAX_NR_BANKS, sizeof(struct mce_bank), GFP_KERNEL); if (!mce_banks) return -ENOMEM; - for (i = 0; i < num_banks; i++) { + for (i = 0; i < MAX_NR_BANKS; i++) { struct mce_bank *b = &mce_banks[i]; b->ctl = -1ULL; @@ -1470,28 +1499,19 @@ static int __mcheck_cpu_mce_banks_init(void) */ static int __mcheck_cpu_cap_init(void) { - unsigned b; u64 cap; + u8 b; rdmsrl(MSR_IA32_MCG_CAP, cap); b = cap & MCG_BANKCNT_MASK; - if (!mca_cfg.banks) - pr_info("CPU supports %d MCE banks\n", b); - - if (b > MAX_NR_BANKS) { - pr_warn("Using only %u machine check banks out of %u\n", - MAX_NR_BANKS, b); + if (WARN_ON_ONCE(b > MAX_NR_BANKS)) b = MAX_NR_BANKS; - } - /* Don't support asymmetric configurations today */ - WARN_ON(mca_cfg.banks != 0 && b != mca_cfg.banks); - mca_cfg.banks = b; + mca_cfg.banks = max(mca_cfg.banks, b); if (!mce_banks) { int err = __mcheck_cpu_mce_banks_init(); - if (err) return err; } @@ -2473,6 +2493,8 @@ EXPORT_SYMBOL_GPL(mcsafe_key); static int __init mcheck_late_init(void) { + pr_info("Using %d MCE banks\n", mca_cfg.banks); + if (mca_cfg.recovery) static_branch_inc(&mcsafe_key); diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index b9bc8a1a584e..b43ddefd77f4 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -418,8 +418,9 @@ static int do_microcode_update(const void __user *buf, size_t size) if (ustate == UCODE_ERROR) { error = -1; break; - } else if (ustate == UCODE_OK) + } else if (ustate == UCODE_NEW) { apply_microcode_on_target(cpu); + } } return error; diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 4d2a401c178b..9f033dfd2766 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -752,18 +752,21 @@ union ftrace_op_code_union { } __attribute__((packed)); }; +#define RET_SIZE 1 + static unsigned long create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) { - unsigned const char *jmp; unsigned long start_offset; unsigned long end_offset; unsigned long op_offset; unsigned long offset; + unsigned long npages; unsigned long size; - unsigned long ip; + unsigned long retq; unsigned long *ptr; void *trampoline; + void *ip; /* 48 8b 15 <offset> is movq <offset>(%rip), %rdx */ unsigned const char op_ref[] = { 0x48, 0x8b, 0x15 }; union ftrace_op_code_union op_ptr; @@ -783,27 +786,28 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) /* * Allocate enough size to store the ftrace_caller code, - * the jmp to ftrace_epilogue, as well as the address of - * the ftrace_ops this trampoline is used for. + * the iret , as well as the address of the ftrace_ops this + * trampoline is used for. */ - trampoline = alloc_tramp(size + MCOUNT_INSN_SIZE + sizeof(void *)); + trampoline = alloc_tramp(size + RET_SIZE + sizeof(void *)); if (!trampoline) return 0; - *tramp_size = size + MCOUNT_INSN_SIZE + sizeof(void *); + *tramp_size = size + RET_SIZE + sizeof(void *); + npages = DIV_ROUND_UP(*tramp_size, PAGE_SIZE); /* Copy ftrace_caller onto the trampoline memory */ ret = probe_kernel_read(trampoline, (void *)start_offset, size); - if (WARN_ON(ret < 0)) { - tramp_free(trampoline, *tramp_size); - return 0; - } + if (WARN_ON(ret < 0)) + goto fail; - ip = (unsigned long)trampoline + size; + ip = trampoline + size; - /* The trampoline ends with a jmp to ftrace_epilogue */ - jmp = ftrace_jmp_replace(ip, (unsigned long)ftrace_epilogue); - memcpy(trampoline + size, jmp, MCOUNT_INSN_SIZE); + /* The trampoline ends with ret(q) */ + retq = (unsigned long)ftrace_stub; + ret = probe_kernel_read(ip, (void *)retq, RET_SIZE); + if (WARN_ON(ret < 0)) + goto fail; /* * The address of the ftrace_ops that is used for this trampoline @@ -813,17 +817,15 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) * the global function_trace_op variable. */ - ptr = (unsigned long *)(trampoline + size + MCOUNT_INSN_SIZE); + ptr = (unsigned long *)(trampoline + size + RET_SIZE); *ptr = (unsigned long)ops; op_offset -= start_offset; memcpy(&op_ptr, trampoline + op_offset, OP_REF_SIZE); /* Are we pointing to the reference? */ - if (WARN_ON(memcmp(op_ptr.op, op_ref, 3) != 0)) { - tramp_free(trampoline, *tramp_size); - return 0; - } + if (WARN_ON(memcmp(op_ptr.op, op_ref, 3) != 0)) + goto fail; /* Load the contents of ptr into the callback parameter */ offset = (unsigned long)ptr; @@ -837,7 +839,16 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) /* ALLOC_TRAMP flags lets us know we created it */ ops->flags |= FTRACE_OPS_FL_ALLOC_TRAMP; + /* + * Module allocation needs to be completed by making the page + * executable. The page is still writable, which is a security hazard, + * but anyhow ftrace breaks W^X completely. + */ + set_memory_x((unsigned long)trampoline, npages); return (unsigned long)trampoline; +fail: + tramp_free(trampoline, *tramp_size); + return 0; } static unsigned long calc_trampoline_call_offset(bool save_regs) diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S index 91b2cff4b79a..75f2b36b41a6 100644 --- a/arch/x86/kernel/ftrace_64.S +++ b/arch/x86/kernel/ftrace_64.S @@ -171,9 +171,6 @@ GLOBAL(ftrace_call) restore_mcount_regs /* - * The copied trampoline must call ftrace_epilogue as it - * still may need to call the function graph tracer. - * * The code up to this label is copied into trampolines so * think twice before adding any new code or changing the * layout here. @@ -185,7 +182,10 @@ GLOBAL(ftrace_graph_call) jmp ftrace_stub #endif -/* This is weak to keep gas from relaxing the jumps */ +/* + * This is weak to keep gas from relaxing the jumps. + * It is also used to copy the retq for trampolines. + */ WEAK(ftrace_stub) retq ENDPROC(ftrace_caller) diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 0469cd078db1..b50ac9c7397b 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -26,9 +26,18 @@ int sysctl_panic_on_stackoverflow; /* * Probabilistic stack overflow check: * - * Only check the stack in process context, because everything else - * runs on the big interrupt stacks. Checking reliably is too expensive, - * so we just check from interrupts. + * Regular device interrupts can enter on the following stacks: + * + * - User stack + * + * - Kernel task stack + * + * - Interrupt stack if a device driver reenables interrupts + * which should only happen in really old drivers. + * + * - Debug IST stack + * + * All other contexts are invalid. */ static inline void stack_overflow_check(struct pt_regs *regs) { @@ -53,8 +62,8 @@ static inline void stack_overflow_check(struct pt_regs *regs) return; oist = this_cpu_ptr(&orig_ist); - estack_top = (u64)oist->ist[0] - EXCEPTION_STKSZ + STACK_TOP_MARGIN; - estack_bottom = (u64)oist->ist[N_EXCEPTION_STACKS - 1]; + estack_bottom = (u64)oist->ist[DEBUG_STACK]; + estack_top = estack_bottom - DEBUG_STKSZ + STACK_TOP_MARGIN; if (regs->sp >= estack_top && regs->sp <= estack_bottom) return; diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c index eeea935e9bb5..4c3d9a3d45b2 100644 --- a/arch/x86/kernel/jump_label.c +++ b/arch/x86/kernel/jump_label.c @@ -16,8 +16,6 @@ #include <asm/alternative.h> #include <asm/text-patching.h> -#ifdef HAVE_JUMP_LABEL - union jump_code_union { char code[JUMP_LABEL_NOP_SIZE]; struct { @@ -142,5 +140,3 @@ __init_or_module void arch_jump_label_transform_static(struct jump_entry *entry, if (jlstate == JL_STATE_UPDATE) __jump_label_transform(entry, type, text_poke_early, 1); } - -#endif diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 544bc2dfe408..e83a057564d1 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -431,8 +431,20 @@ void *alloc_insn_page(void) void *page; page = module_alloc(PAGE_SIZE); - if (page) - set_memory_ro((unsigned long)page & PAGE_MASK, 1); + if (!page) + return NULL; + + /* + * First make the page read-only, and only then make it executable to + * prevent it from being W+X in between. + */ + set_memory_ro((unsigned long)page, 1); + + /* + * TODO: Once additional kernel code protection mechanisms are set, ensure + * that the page was not maliciously altered and it is still zeroed. + */ + set_memory_x((unsigned long)page, 1); return page; } @@ -440,8 +452,12 @@ void *alloc_insn_page(void) /* Recover page to RW mode before releasing it */ void free_insn_page(void *page) { - set_memory_nx((unsigned long)page & PAGE_MASK, 1); - set_memory_rw((unsigned long)page & PAGE_MASK, 1); + /* + * First make the page non-executable, and only then make it writable to + * prevent it from being W+X in between. + */ + set_memory_nx((unsigned long)page, 1); + set_memory_rw((unsigned long)page, 1); module_memfree(page); } diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c index f58336af095c..6645f123419c 100644 --- a/arch/x86/kernel/module.c +++ b/arch/x86/kernel/module.c @@ -87,7 +87,7 @@ void *module_alloc(unsigned long size) p = __vmalloc_node_range(size, MODULE_ALIGN, MODULES_VADDR + get_module_load_offset(), MODULES_END, GFP_KERNEL, - PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, + PAGE_KERNEL, 0, NUMA_NO_NODE, __builtin_return_address(0)); if (p && (kasan_module_alloc(p, size) < 0)) { vfree(p); diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 92a3b312a53c..44e647a65de8 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -132,16 +132,6 @@ static int restore_sigcontext(struct pt_regs *regs, COPY_SEG_CPL3(cs); COPY_SEG_CPL3(ss); -#ifdef CONFIG_X86_64 - /* - * Fix up SS if needed for the benefit of old DOSEMU and - * CRIU. - */ - if (unlikely(!(uc_flags & UC_STRICT_RESTORE_SS) && - user_64bit_mode(regs))) - force_valid_ss(regs); -#endif - get_user_ex(tmpflags, &sc->flags); regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS); regs->orig_ax = -1; /* disable syscall checks */ @@ -150,6 +140,15 @@ static int restore_sigcontext(struct pt_regs *regs, buf = (void __user *)buf_val; } get_user_catch(err); +#ifdef CONFIG_X86_64 + /* + * Fix up SS if needed for the benefit of old DOSEMU and + * CRIU. + */ + if (unlikely(!(uc_flags & UC_STRICT_RESTORE_SS) && user_64bit_mode(regs))) + force_valid_ss(regs); +#endif + err |= fpu__restore_sig(buf, IS_ENABLED(CONFIG_X86_32)); force_iret(); @@ -461,6 +460,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, { struct rt_sigframe __user *frame; void __user *fp = NULL; + unsigned long uc_flags; int err = 0; frame = get_sigframe(&ksig->ka, regs, sizeof(struct rt_sigframe), &fp); @@ -473,9 +473,11 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, return -EFAULT; } + uc_flags = frame_uc_flags(regs); + put_user_try { /* Create the ucontext. */ - put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags); + put_user_ex(uc_flags, &frame->uc.uc_flags); put_user_ex(0, &frame->uc.uc_link); save_altstack_ex(&frame->uc.uc_stack, regs->sp); @@ -541,6 +543,7 @@ static int x32_setup_rt_frame(struct ksignal *ksig, { #ifdef CONFIG_X86_X32_ABI struct rt_sigframe_x32 __user *frame; + unsigned long uc_flags; void __user *restorer; int err = 0; void __user *fpstate = NULL; @@ -555,9 +558,11 @@ static int x32_setup_rt_frame(struct ksignal *ksig, return -EFAULT; } + uc_flags = frame_uc_flags(regs); + put_user_try { /* Create the ucontext. */ - put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags); + put_user_ex(uc_flags, &frame->uc.uc_flags); put_user_ex(0, &frame->uc.uc_link); compat_save_altstack_ex(&frame->uc.uc_stack, regs->sp); put_user_ex(0, &frame->uc.uc__pad0); diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 860bd271619d..4a688ef9e448 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -456,7 +456,7 @@ FOP_END; /* * XXX: inoutclob user must know where the argument is being expanded. - * Relying on CC_HAVE_ASM_GOTO would allow us to remove _fault. + * Relying on CONFIG_CC_HAS_ASM_GOTO would allow us to remove _fault. */ #define asm_safe(insn, inoutclob...) \ ({ \ diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 8dd9208ae4de..ea454d3f7763 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2022,7 +2022,11 @@ static void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu) if (!kvm_vcpu_apicv_active(vcpu)) return; - if (WARN_ON(h_physical_id >= AVIC_MAX_PHYSICAL_ID_COUNT)) + /* + * Since the host physical APIC id is 8 bits, + * we can support host APIC ID upto 255. + */ + if (WARN_ON(h_physical_id > AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK)) return; entry = READ_ONCE(*(svm->avic_physical_id_cache)); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d0eb37c069b8..7fed1d6dd1a1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1188,7 +1188,7 @@ static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info) u64 efer = msr_info->data; if (efer & efer_reserved_bits) - return false; + return 1; if (!msr_info->host_initiated) { if (!__kvm_valid_efer(vcpu, efer)) @@ -2987,6 +2987,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; break; + case KVM_CAP_MAX_VCPU_ID: + r = KVM_MAX_VCPU_ID; + break; case KVM_CAP_NR_MEMSLOTS: r = KVM_USER_MEM_SLOTS; break; diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S index 3b24dc05251c..9d05572370ed 100644 --- a/arch/x86/lib/memcpy_64.S +++ b/arch/x86/lib/memcpy_64.S @@ -257,6 +257,7 @@ ENTRY(__memcpy_mcsafe) /* Copy successful. Return zero */ .L_done_memcpy_trap: xorl %eax, %eax +.L_done: ret ENDPROC(__memcpy_mcsafe) EXPORT_SYMBOL_GPL(__memcpy_mcsafe) @@ -273,7 +274,7 @@ EXPORT_SYMBOL_GPL(__memcpy_mcsafe) addl %edx, %ecx .E_trailing_bytes: mov %ecx, %eax - ret + jmp .L_done /* * For write fault handling, given the destination is unaligned, diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 47bebfe6efa7..9d9765e4d1ef 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -427,8 +427,6 @@ static noinline int vmalloc_fault(unsigned long address) if (!(address >= VMALLOC_START && address < VMALLOC_END)) return -1; - WARN_ON_ONCE(in_nmi()); - /* * Copy kernel mappings over when needed. This can also * happen within a race in page table update. In the later diff --git a/block/genhd.c b/block/genhd.c index be5bab20b2ab..2b2a936cf848 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -518,6 +518,18 @@ void blk_free_devt(dev_t devt) } } +/** + * We invalidate devt by assigning NULL pointer for devt in idr. + */ +void blk_invalidate_devt(dev_t devt) +{ + if (MAJOR(devt) == BLOCK_EXT_MAJOR) { + spin_lock_bh(&ext_devt_lock); + idr_replace(&ext_devt_idr, NULL, blk_mangle_minor(MINOR(devt))); + spin_unlock_bh(&ext_devt_lock); + } +} + static char *bdevt_str(dev_t devt, char *buf) { if (MAJOR(devt) <= 0xff && MINOR(devt) <= 0xff) { @@ -769,6 +781,13 @@ void del_gendisk(struct gendisk *disk) if (!(disk->flags & GENHD_FL_HIDDEN)) blk_unregister_region(disk_devt(disk), disk->minors); + /* + * Remove gendisk pointer from idr so that it cannot be looked up + * while RCU period before freeing gendisk is running to prevent + * use-after-free issues. Note that the device number stays + * "in-use" until we really free the gendisk. + */ + blk_invalidate_devt(disk_devt(disk)); kobject_put(disk->part0.holder_dir); kobject_put(disk->slave_dir); diff --git a/block/partition-generic.c b/block/partition-generic.c index 5f8db5c5140f..98d60a59b843 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -289,6 +289,13 @@ void delete_partition(struct gendisk *disk, int partno) kobject_put(part->holder_dir); device_del(part_to_dev(part)); + /* + * Remove gendisk pointer from idr so that it cannot be looked up + * while RCU period before freeing gendisk is running to prevent + * use-after-free issues. Note that the device number stays + * "in-use" until we really free the gendisk. + */ + blk_invalidate_devt(part_devt(part)); hd_struct_kill(part); } diff --git a/block/sed-opal.c b/block/sed-opal.c index e0de4dd448b3..119640897293 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c @@ -2095,13 +2095,16 @@ static int opal_erase_locking_range(struct opal_dev *dev, static int opal_enable_disable_shadow_mbr(struct opal_dev *dev, struct opal_mbr_data *opal_mbr) { + u8 enable_disable = opal_mbr->enable_disable == OPAL_MBR_ENABLE ? + OPAL_TRUE : OPAL_FALSE; + const struct opal_step mbr_steps[] = { { opal_discovery0, }, { start_admin1LSP_opal_session, &opal_mbr->key }, - { set_mbr_done, &opal_mbr->enable_disable }, + { set_mbr_done, &enable_disable }, { end_opal_session, }, { start_admin1LSP_opal_session, &opal_mbr->key }, - { set_mbr_enable_disable, &opal_mbr->enable_disable }, + { set_mbr_enable_disable, &enable_disable }, { end_opal_session, }, { NULL, } }; @@ -2221,7 +2224,7 @@ static int __opal_lock_unlock(struct opal_dev *dev, static int __opal_set_mbr_done(struct opal_dev *dev, struct opal_key *key) { - u8 mbr_done_tf = 1; + u8 mbr_done_tf = OPAL_TRUE; const struct opal_step mbrdone_step [] = { { opal_discovery0, }, { start_admin1LSP_opal_session, key }, diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index e48eebc27b81..43c2615434b4 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -1231,18 +1231,24 @@ static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node) /* * set numa proximity domain for smmuv3 device */ -static void __init arm_smmu_v3_set_proximity(struct device *dev, +static int __init arm_smmu_v3_set_proximity(struct device *dev, struct acpi_iort_node *node) { struct acpi_iort_smmu_v3 *smmu; smmu = (struct acpi_iort_smmu_v3 *)node->node_data; if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) { - set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm)); + int node = acpi_map_pxm_to_node(smmu->pxm); + + if (node != NUMA_NO_NODE && !node_online(node)) + return -EINVAL; + + set_dev_node(dev, node); pr_info("SMMU-v3[%llx] Mapped to Proximity domain %d\n", smmu->base_address, smmu->pxm); } + return 0; } #else #define arm_smmu_v3_set_proximity NULL @@ -1317,7 +1323,7 @@ struct iort_dev_config { int (*dev_count_resources)(struct acpi_iort_node *node); void (*dev_init_resources)(struct resource *res, struct acpi_iort_node *node); - void (*dev_set_proximity)(struct device *dev, + int (*dev_set_proximity)(struct device *dev, struct acpi_iort_node *node); }; @@ -1368,8 +1374,11 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node, if (!pdev) return -ENOMEM; - if (ops->dev_set_proximity) - ops->dev_set_proximity(&pdev->dev, node); + if (ops->dev_set_proximity) { + ret = ops->dev_set_proximity(&pdev->dev, node); + if (ret) + goto dev_put; + } count = ops->dev_count_resources(node); diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 693cf05b0cc4..288673cff85e 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -975,6 +975,14 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, const struct acpi_data_node *data = to_acpi_data_node(fwnode); struct acpi_data_node *dn; + /* + * We can have a combination of device and data nodes, e.g. with + * hierarchical _DSD properties. Make sure the adev pointer is + * restored before going through data nodes, otherwise we will + * be looking for data_nodes below the last device found instead + * of the common fwnode shared by device_nodes and data_nodes. + */ + adev = to_acpi_device_node(fwnode); if (adev) head = &adev->data.subnodes; else if (data) diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index a690fd400260..4abd7c6531d9 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1736,6 +1736,10 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) if (dev->power.syscore) goto Complete; + /* Avoid direct_complete to let wakeup_path propagate. */ + if (device_may_wakeup(dev) || dev->power.wakeup_path) + dev->power.direct_complete = false; + if (dev->power.direct_complete) { if (pm_runtime_status_suspended(dev)) { pm_runtime_disable(dev); diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index f0d593c3fa72..77004c29da08 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -504,6 +504,8 @@ static int qca_open(struct hci_uart *hu) qcadev = serdev_device_get_drvdata(hu->serdev); if (qcadev->btsoc_type != QCA_WCN3990) { gpiod_set_value_cansleep(qcadev->bt_en, 1); + /* Controller needs time to bootup. */ + msleep(150); } else { hu->init_speed = qcadev->init_speed; hu->oper_speed = qcadev->oper_speed; diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index b65ff6962899..e9b6ac61fb7f 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -443,6 +443,7 @@ static int omap_rng_probe(struct platform_device *pdev) priv->rng.read = omap_rng_do_read; priv->rng.init = omap_rng_init; priv->rng.cleanup = omap_rng_cleanup; + priv->rng.quality = 900; priv->rng.priv = (unsigned long)priv; platform_set_drvdata(pdev, priv); diff --git a/drivers/char/random.c b/drivers/char/random.c index c75b6cdf0053..0a84b7f468ad 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -778,6 +778,7 @@ static struct crng_state **crng_node_pool __read_mostly; #endif static void invalidate_batched_entropy(void); +static void numa_crng_init(void); static bool trust_cpu __ro_after_init = IS_ENABLED(CONFIG_RANDOM_TRUST_CPU); static int __init parse_trust_cpu(char *arg) @@ -806,7 +807,9 @@ static void crng_initialize(struct crng_state *crng) } crng->state[i] ^= rv; } - if (trust_cpu && arch_init) { + if (trust_cpu && arch_init && crng == &primary_crng) { + invalidate_batched_entropy(); + numa_crng_init(); crng_init = 2; pr_notice("random: crng done (trusting CPU's manufacturer)\n"); } @@ -2212,8 +2215,8 @@ struct batched_entropy { u32 entropy_u32[CHACHA20_BLOCK_SIZE / sizeof(u32)]; }; unsigned int position; + spinlock_t batch_lock; }; -static rwlock_t batched_entropy_reset_lock = __RW_LOCK_UNLOCKED(batched_entropy_reset_lock); /* * Get a random word for internal kernel use only. The quality of the random @@ -2223,12 +2226,14 @@ static rwlock_t batched_entropy_reset_lock = __RW_LOCK_UNLOCKED(batched_entropy_ * wait_for_random_bytes() should be called and return 0 at least once * at any point prior. */ -static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64); +static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64) = { + .batch_lock = __SPIN_LOCK_UNLOCKED(batched_entropy_u64.lock), +}; + u64 get_random_u64(void) { u64 ret; - bool use_lock; - unsigned long flags = 0; + unsigned long flags; struct batched_entropy *batch; static void *previous; @@ -2243,28 +2248,25 @@ u64 get_random_u64(void) warn_unseeded_randomness(&previous); - use_lock = READ_ONCE(crng_init) < 2; - batch = &get_cpu_var(batched_entropy_u64); - if (use_lock) - read_lock_irqsave(&batched_entropy_reset_lock, flags); + batch = raw_cpu_ptr(&batched_entropy_u64); + spin_lock_irqsave(&batch->batch_lock, flags); if (batch->position % ARRAY_SIZE(batch->entropy_u64) == 0) { extract_crng((__u32 *)batch->entropy_u64); batch->position = 0; } ret = batch->entropy_u64[batch->position++]; - if (use_lock) - read_unlock_irqrestore(&batched_entropy_reset_lock, flags); - put_cpu_var(batched_entropy_u64); + spin_unlock_irqrestore(&batch->batch_lock, flags); return ret; } EXPORT_SYMBOL(get_random_u64); -static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32); +static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32) = { + .batch_lock = __SPIN_LOCK_UNLOCKED(batched_entropy_u32.lock), +}; u32 get_random_u32(void) { u32 ret; - bool use_lock; - unsigned long flags = 0; + unsigned long flags; struct batched_entropy *batch; static void *previous; @@ -2273,18 +2275,14 @@ u32 get_random_u32(void) warn_unseeded_randomness(&previous); - use_lock = READ_ONCE(crng_init) < 2; - batch = &get_cpu_var(batched_entropy_u32); - if (use_lock) - read_lock_irqsave(&batched_entropy_reset_lock, flags); + batch = raw_cpu_ptr(&batched_entropy_u32); + spin_lock_irqsave(&batch->batch_lock, flags); if (batch->position % ARRAY_SIZE(batch->entropy_u32) == 0) { extract_crng(batch->entropy_u32); batch->position = 0; } ret = batch->entropy_u32[batch->position++]; - if (use_lock) - read_unlock_irqrestore(&batched_entropy_reset_lock, flags); - put_cpu_var(batched_entropy_u32); + spin_unlock_irqrestore(&batch->batch_lock, flags); return ret; } EXPORT_SYMBOL(get_random_u32); @@ -2298,12 +2296,19 @@ static void invalidate_batched_entropy(void) int cpu; unsigned long flags; - write_lock_irqsave(&batched_entropy_reset_lock, flags); for_each_possible_cpu (cpu) { - per_cpu_ptr(&batched_entropy_u32, cpu)->position = 0; - per_cpu_ptr(&batched_entropy_u64, cpu)->position = 0; + struct batched_entropy *batched_entropy; + + batched_entropy = per_cpu_ptr(&batched_entropy_u32, cpu); + spin_lock_irqsave(&batched_entropy->batch_lock, flags); + batched_entropy->position = 0; + spin_unlock(&batched_entropy->batch_lock); + + batched_entropy = per_cpu_ptr(&batched_entropy_u64, cpu); + spin_lock(&batched_entropy->batch_lock); + batched_entropy->position = 0; + spin_unlock_irqrestore(&batched_entropy->batch_lock, flags); } - write_unlock_irqrestore(&batched_entropy_reset_lock, flags); } /** diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 5b5b5d72eab7..c55f6aeb4227 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -75,7 +75,7 @@ struct ports_driver_data { /* All the console devices handled by this driver */ struct list_head consoles; }; -static struct ports_driver_data pdrvdata; +static struct ports_driver_data pdrvdata = { .next_vtermno = 1}; static DEFINE_SPINLOCK(pdrvdata_lock); static DECLARE_COMPLETION(early_console_added); @@ -1405,6 +1405,7 @@ static int add_port(struct ports_device *portdev, u32 id) port->async_queue = NULL; port->cons.ws.ws_row = port->cons.ws.ws_col = 0; + port->cons.vtermno = 0; port->host_connected = port->guest_connected = false; port->stats = (struct port_stats) { 0 }; diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 450de24a1b42..64191694ff6e 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -198,7 +198,7 @@ PNAME(mux_hsadcout_p) = { "hsadc_src", "ext_hsadc" }; PNAME(mux_edp_24m_p) = { "ext_edp_24m", "xin24m" }; PNAME(mux_tspout_p) = { "cpll", "gpll", "npll", "xin27m" }; -PNAME(mux_aclk_vcodec_pre_p) = { "aclk_vepu", "aclk_vdpu" }; +PNAME(mux_aclk_vcodec_pre_p) = { "aclk_vdpu", "aclk_vepu" }; PNAME(mux_usbphy480m_p) = { "sclk_otgphy1_480m", "sclk_otgphy2_480m", "sclk_otgphy0_480m" }; PNAME(mux_hsicphy480m_p) = { "cpll", "gpll", "usbphy480m_src" }; @@ -292,13 +292,13 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(0), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, RK3288_CLKGATE_CON(12), 6, GFLAGS), - COMPOSITE_NOMUX(0, "atclk", "armclk", CLK_IGNORE_UNUSED, + COMPOSITE_NOMUX(0, "atclk", "armclk", 0, RK3288_CLKSEL_CON(37), 4, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, RK3288_CLKGATE_CON(12), 7, GFLAGS), COMPOSITE_NOMUX(0, "pclk_dbg_pre", "armclk", CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(37), 9, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, RK3288_CLKGATE_CON(12), 8, GFLAGS), - GATE(0, "pclk_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED, + GATE(0, "pclk_dbg", "pclk_dbg_pre", 0, RK3288_CLKGATE_CON(12), 9, GFLAGS), GATE(0, "cs_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(12), 10, GFLAGS), @@ -399,7 +399,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb480m_p, 0, RK3288_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(3), 11, GFLAGS), - MUXGRF(0, "aclk_vcodec_pre", mux_aclk_vcodec_pre_p, 0, + MUXGRF(0, "aclk_vcodec_pre", mux_aclk_vcodec_pre_p, CLK_SET_RATE_PARENT, RK3288_GRF_SOC_CON(0), 7, 1, MFLAGS), GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vcodec_pre", 0, RK3288_CLKGATE_CON(9), 0, GFLAGS), @@ -626,7 +626,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out", RK3288_CLKSEL_CON(22), 7, IFLAGS), - GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED, + GATE(0, "jtag", "ext_jtag", 0, RK3288_CLKGATE_CON(4), 14, GFLAGS), COMPOSITE_NODIV(SCLK_USBPHY480M_SRC, "usbphy480m_src", mux_usbphy480m_p, 0, @@ -635,7 +635,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0, RK3288_CLKSEL_CON(29), 0, 2, MFLAGS, RK3288_CLKGATE_CON(3), 6, GFLAGS), - GATE(0, "hsicphy12m_xin12m", "xin12m", CLK_IGNORE_UNUSED, + GATE(0, "hsicphy12m_xin12m", "xin12m", 0, RK3288_CLKGATE_CON(13), 9, GFLAGS), DIV(0, "hsicphy12m_usbphy", "sclk_hsicphy480m", 0, RK3288_CLKSEL_CON(11), 8, 6, DFLAGS), @@ -676,7 +676,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS), GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS), GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS), - GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS), + GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 11, GFLAGS), /* ddrctrl [DDR Controller PHY clock] gates */ GATE(0, "nclk_ddrupctl0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 4, GFLAGS), @@ -816,12 +816,9 @@ static const char *const rk3288_critical_clocks[] __initconst = { "pclk_alive_niu", "pclk_pd_pmu", "pclk_pmu_niu", - "pclk_core_niu", - "pclk_ddrupctl0", - "pclk_publ0", - "pclk_ddrupctl1", - "pclk_publ1", "pmu_hclk_otg0", + /* pwm-regulators on some boards, so handoff-critical later */ + "pclk_rkpwm", }; static void __iomem *rk3288_cru_base; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 505c9a55d555..d3213594d1a7 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1103,6 +1103,7 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu) cpufreq_global_kobject, "policy%u", cpu); if (ret) { pr_err("%s: failed to init policy->kobj: %d\n", __func__, ret); + kobject_put(&policy->kobj); goto err_free_real_cpus; } diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 6d53f7d9fc7a..69fc5cf4782f 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -459,6 +459,8 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy) /* Failure, so roll back. */ pr_err("initialization failed (dbs_data kobject init error %d)\n", ret); + kobject_put(&dbs_data->attr_set.kobj); + policy->governor_data = NULL; if (!have_governor_per_policy()) diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c index c2dd43f3f5d8..8d63a6dc8383 100644 --- a/drivers/cpufreq/kirkwood-cpufreq.c +++ b/drivers/cpufreq/kirkwood-cpufreq.c @@ -124,13 +124,14 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) priv.cpu_clk = of_clk_get_by_name(np, "cpu_clk"); if (IS_ERR(priv.cpu_clk)) { dev_err(priv.dev, "Unable to get cpuclk\n"); - return PTR_ERR(priv.cpu_clk); + err = PTR_ERR(priv.cpu_clk); + goto out_node; } err = clk_prepare_enable(priv.cpu_clk); if (err) { dev_err(priv.dev, "Unable to prepare cpuclk\n"); - return err; + goto out_node; } kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000; @@ -161,20 +162,22 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) goto out_ddr; } - of_node_put(np); - np = NULL; - err = cpufreq_register_driver(&kirkwood_cpufreq_driver); - if (!err) - return 0; + if (err) { + dev_err(priv.dev, "Failed to register cpufreq driver\n"); + goto out_powersave; + } - dev_err(priv.dev, "Failed to register cpufreq driver\n"); + of_node_put(np); + return 0; +out_powersave: clk_disable_unprepare(priv.powersave_clk); out_ddr: clk_disable_unprepare(priv.ddr_clk); out_cpu: clk_disable_unprepare(priv.cpu_clk); +out_node: of_node_put(np); return err; diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c index 75dfbd2a58ea..c7710c149de8 100644 --- a/drivers/cpufreq/pasemi-cpufreq.c +++ b/drivers/cpufreq/pasemi-cpufreq.c @@ -146,6 +146,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) cpu = of_get_cpu_node(policy->cpu, NULL); + of_node_put(cpu); if (!cpu) goto out; diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c index 61ae06ca008e..e225edb5c359 100644 --- a/drivers/cpufreq/pmac32-cpufreq.c +++ b/drivers/cpufreq/pmac32-cpufreq.c @@ -552,6 +552,7 @@ static int pmac_cpufreq_init_7447A(struct device_node *cpunode) volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select"); if (volt_gpio_np) voltage_gpio = read_gpio(volt_gpio_np); + of_node_put(volt_gpio_np); if (!voltage_gpio){ pr_err("missing cpu-vcore-select gpio\n"); return 1; @@ -588,6 +589,7 @@ static int pmac_cpufreq_init_750FX(struct device_node *cpunode) if (volt_gpio_np) voltage_gpio = read_gpio(volt_gpio_np); + of_node_put(volt_gpio_np); pvr = mfspr(SPRN_PVR); has_cpu_l2lve = !((pvr & 0xf00) == 0x100); diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.c b/drivers/cpufreq/ppc_cbe_cpufreq.c index 41a0f0be3f9f..8414c3a4ea08 100644 --- a/drivers/cpufreq/ppc_cbe_cpufreq.c +++ b/drivers/cpufreq/ppc_cbe_cpufreq.c @@ -86,6 +86,7 @@ static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy) if (!cbe_get_cpu_pmd_regs(policy->cpu) || !cbe_get_cpu_mic_tm_regs(policy->cpu)) { pr_info("invalid CBE regs pointers for cpufreq\n"); + of_node_put(cpu); return -EINVAL; } diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c index a4b5ff2b72f8..f6936bb3b7be 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c @@ -240,7 +240,10 @@ static int sun4i_hash(struct ahash_request *areq) } } else { /* Since we have the flag final, we can go up to modulo 4 */ - end = ((areq->nbytes + op->len) / 4) * 4 - op->len; + if (areq->nbytes < 4) + end = 0; + else + end = ((areq->nbytes + op->len) / 4) * 4 - op->len; } /* TODO if SGlen % 4 and !op->len then DMA */ diff --git a/drivers/crypto/vmx/aesp8-ppc.pl b/drivers/crypto/vmx/aesp8-ppc.pl index de78282b8f44..9c6b5c1d6a1a 100644 --- a/drivers/crypto/vmx/aesp8-ppc.pl +++ b/drivers/crypto/vmx/aesp8-ppc.pl @@ -1357,7 +1357,7 @@ Loop_ctr32_enc: addi $idx,$idx,16 bdnz Loop_ctr32_enc - vadduwm $ivec,$ivec,$one + vadduqm $ivec,$ivec,$one vmr $dat,$inptail lvx $inptail,0,$inp addi $inp,$inp,16 diff --git a/drivers/crypto/vmx/ghash.c b/drivers/crypto/vmx/ghash.c index dd8b8716467a..2d1a8cd35509 100644 --- a/drivers/crypto/vmx/ghash.c +++ b/drivers/crypto/vmx/ghash.c @@ -1,22 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 /** * GHASH routines supporting VMX instructions on the Power 8 * - * Copyright (C) 2015 International Business Machines Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 only. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * Copyright (C) 2015, 2019 International Business Machines Inc. * * Author: Marcelo Henrique Cerri <mhcerri@br.ibm.com> + * + * Extended by Daniel Axtens <dja@axtens.net> to replace the fallback + * mechanism. The new approach is based on arm64 code, which is: + * Copyright (C) 2014 - 2018 Linaro Ltd. <ard.biesheuvel@linaro.org> */ #include <linux/types.h> @@ -39,71 +31,25 @@ void gcm_ghash_p8(u64 Xi[2], const u128 htable[16], const u8 *in, size_t len); struct p8_ghash_ctx { + /* key used by vector asm */ u128 htable[16]; - struct crypto_shash *fallback; + /* key used by software fallback */ + be128 key; }; struct p8_ghash_desc_ctx { u64 shash[2]; u8 buffer[GHASH_DIGEST_SIZE]; int bytes; - struct shash_desc fallback_desc; }; -static int p8_ghash_init_tfm(struct crypto_tfm *tfm) -{ - const char *alg = "ghash-generic"; - struct crypto_shash *fallback; - struct crypto_shash *shash_tfm = __crypto_shash_cast(tfm); - struct p8_ghash_ctx *ctx = crypto_tfm_ctx(tfm); - - fallback = crypto_alloc_shash(alg, 0, CRYPTO_ALG_NEED_FALLBACK); - if (IS_ERR(fallback)) { - printk(KERN_ERR - "Failed to allocate transformation for '%s': %ld\n", - alg, PTR_ERR(fallback)); - return PTR_ERR(fallback); - } - - crypto_shash_set_flags(fallback, - crypto_shash_get_flags((struct crypto_shash - *) tfm)); - - /* Check if the descsize defined in the algorithm is still enough. */ - if (shash_tfm->descsize < sizeof(struct p8_ghash_desc_ctx) - + crypto_shash_descsize(fallback)) { - printk(KERN_ERR - "Desc size of the fallback implementation (%s) does not match the expected value: %lu vs %u\n", - alg, - shash_tfm->descsize - sizeof(struct p8_ghash_desc_ctx), - crypto_shash_descsize(fallback)); - return -EINVAL; - } - ctx->fallback = fallback; - - return 0; -} - -static void p8_ghash_exit_tfm(struct crypto_tfm *tfm) -{ - struct p8_ghash_ctx *ctx = crypto_tfm_ctx(tfm); - - if (ctx->fallback) { - crypto_free_shash(ctx->fallback); - ctx->fallback = NULL; - } -} - static int p8_ghash_init(struct shash_desc *desc) { - struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(desc->tfm)); struct p8_ghash_desc_ctx *dctx = shash_desc_ctx(desc); dctx->bytes = 0; memset(dctx->shash, 0, GHASH_DIGEST_SIZE); - dctx->fallback_desc.tfm = ctx->fallback; - dctx->fallback_desc.flags = desc->flags; - return crypto_shash_init(&dctx->fallback_desc); + return 0; } static int p8_ghash_setkey(struct crypto_shash *tfm, const u8 *key, @@ -121,7 +67,51 @@ static int p8_ghash_setkey(struct crypto_shash *tfm, const u8 *key, disable_kernel_vsx(); pagefault_enable(); preempt_enable(); - return crypto_shash_setkey(ctx->fallback, key, keylen); + + memcpy(&ctx->key, key, GHASH_BLOCK_SIZE); + + return 0; +} + +static inline void __ghash_block(struct p8_ghash_ctx *ctx, + struct p8_ghash_desc_ctx *dctx) +{ + if (!IN_INTERRUPT) { + preempt_disable(); + pagefault_disable(); + enable_kernel_vsx(); + gcm_ghash_p8(dctx->shash, ctx->htable, + dctx->buffer, GHASH_DIGEST_SIZE); + disable_kernel_vsx(); + pagefault_enable(); + preempt_enable(); + } else { + crypto_xor((u8 *)dctx->shash, dctx->buffer, GHASH_BLOCK_SIZE); + gf128mul_lle((be128 *)dctx->shash, &ctx->key); + } +} + +static inline void __ghash_blocks(struct p8_ghash_ctx *ctx, + struct p8_ghash_desc_ctx *dctx, + const u8 *src, unsigned int srclen) +{ + if (!IN_INTERRUPT) { + preempt_disable(); + pagefault_disable(); + enable_kernel_vsx(); + gcm_ghash_p8(dctx->shash, ctx->htable, + src, srclen); + disable_kernel_vsx(); + pagefault_enable(); + preempt_enable(); + } else { + while (srclen >= GHASH_BLOCK_SIZE) { + crypto_xor((u8 *)dctx->shash, src, GHASH_BLOCK_SIZE); + gf128mul_lle((be128 *)dctx->shash, &ctx->key); + srclen -= GHASH_BLOCK_SIZE; + src += GHASH_BLOCK_SIZE; + } + } } static int p8_ghash_update(struct shash_desc *desc, @@ -131,49 +121,33 @@ static int p8_ghash_update(struct shash_desc *desc, struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(desc->tfm)); struct p8_ghash_desc_ctx *dctx = shash_desc_ctx(desc); - if (IN_INTERRUPT) { - return crypto_shash_update(&dctx->fallback_desc, src, - srclen); - } else { - if (dctx->bytes) { - if (dctx->bytes + srclen < GHASH_DIGEST_SIZE) { - memcpy(dctx->buffer + dctx->bytes, src, - srclen); - dctx->bytes += srclen; - return 0; - } + if (dctx->bytes) { + if (dctx->bytes + srclen < GHASH_DIGEST_SIZE) { memcpy(dctx->buffer + dctx->bytes, src, - GHASH_DIGEST_SIZE - dctx->bytes); - preempt_disable(); - pagefault_disable(); - enable_kernel_vsx(); - gcm_ghash_p8(dctx->shash, ctx->htable, - dctx->buffer, GHASH_DIGEST_SIZE); - disable_kernel_vsx(); - pagefault_enable(); - preempt_enable(); - src += GHASH_DIGEST_SIZE - dctx->bytes; - srclen -= GHASH_DIGEST_SIZE - dctx->bytes; - dctx->bytes = 0; - } - len = srclen & ~(GHASH_DIGEST_SIZE - 1); - if (len) { - preempt_disable(); - pagefault_disable(); - enable_kernel_vsx(); - gcm_ghash_p8(dctx->shash, ctx->htable, src, len); - disable_kernel_vsx(); - pagefault_enable(); - preempt_enable(); - src += len; - srclen -= len; - } - if (srclen) { - memcpy(dctx->buffer, src, srclen); - dctx->bytes = srclen; + srclen); + dctx->bytes += srclen; + return 0; } - return 0; + memcpy(dctx->buffer + dctx->bytes, src, + GHASH_DIGEST_SIZE - dctx->bytes); + + __ghash_block(ctx, dctx); + + src += GHASH_DIGEST_SIZE - dctx->bytes; + srclen -= GHASH_DIGEST_SIZE - dctx->bytes; + dctx->bytes = 0; + } + len = srclen & ~(GHASH_DIGEST_SIZE - 1); + if (len) { + __ghash_blocks(ctx, dctx, src, len); + src += len; + srclen -= len; } + if (srclen) { + memcpy(dctx->buffer, src, srclen); + dctx->bytes = srclen; + } + return 0; } static int p8_ghash_final(struct shash_desc *desc, u8 *out) @@ -182,25 +156,14 @@ static int p8_ghash_final(struct shash_desc *desc, u8 *out) struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(desc->tfm)); struct p8_ghash_desc_ctx *dctx = shash_desc_ctx(desc); - if (IN_INTERRUPT) { - return crypto_shash_final(&dctx->fallback_desc, out); - } else { - if (dctx->bytes) { - for (i = dctx->bytes; i < GHASH_DIGEST_SIZE; i++) - dctx->buffer[i] = 0; - preempt_disable(); - pagefault_disable(); - enable_kernel_vsx(); - gcm_ghash_p8(dctx->shash, ctx->htable, - dctx->buffer, GHASH_DIGEST_SIZE); - disable_kernel_vsx(); - pagefault_enable(); - preempt_enable(); - dctx->bytes = 0; - } - memcpy(out, dctx->shash, GHASH_DIGEST_SIZE); - return 0; + if (dctx->bytes) { + for (i = dctx->bytes; i < GHASH_DIGEST_SIZE; i++) + dctx->buffer[i] = 0; + __ghash_block(ctx, dctx); + dctx->bytes = 0; } + memcpy(out, dctx->shash, GHASH_DIGEST_SIZE); + return 0; } struct shash_alg p8_ghash_alg = { @@ -215,11 +178,8 @@ struct shash_alg p8_ghash_alg = { .cra_name = "ghash", .cra_driver_name = "p8_ghash", .cra_priority = 1000, - .cra_flags = CRYPTO_ALG_NEED_FALLBACK, .cra_blocksize = GHASH_BLOCK_SIZE, .cra_ctxsize = sizeof(struct p8_ghash_ctx), .cra_module = THIS_MODULE, - .cra_init = p8_ghash_init_tfm, - .cra_exit = p8_ghash_exit_tfm, }, }; diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index a75b95fac3bd..db5b8fe1dd4a 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1606,7 +1606,11 @@ static void at_xdmac_tasklet(unsigned long data) struct at_xdmac_desc, xfer_node); dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, desc); - BUG_ON(!desc->active_xfer); + if (!desc->active_xfer) { + dev_err(chan2dev(&atchan->chan), "Xfer not active: exiting"); + spin_unlock_bh(&atchan->lock); + return; + } txd = &desc->tx_dma_desc; diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 88750a34e859..bc8050c025b7 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -961,6 +961,7 @@ static void _stop(struct pl330_thread *thrd) { void __iomem *regs = thrd->dmac->base; u8 insn[6] = {0, 0, 0, 0, 0, 0}; + u32 inten = readl(regs + INTEN); if (_state(thrd) == PL330_STATE_FAULT_COMPLETING) UNTIL(thrd, PL330_STATE_FAULTING | PL330_STATE_KILLING); @@ -973,10 +974,13 @@ static void _stop(struct pl330_thread *thrd) _emit_KILL(0, insn); - /* Stop generating interrupts for SEV */ - writel(readl(regs + INTEN) & ~(1 << thrd->ev), regs + INTEN); - _execute_DBGINSN(thrd, insn, is_manager(thrd)); + + /* clear the event */ + if (inten & (1 << thrd->ev)) + writel(1 << thrd->ev, regs + INTCLR); + /* Stop generating interrupts for SEV */ + writel(inten & ~(1 << thrd->ev), regs + INTEN); } /* Start doing req 'idx' of thread 'thrd' */ diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c index b26256f23d67..09b6756366c3 100644 --- a/drivers/dma/tegra210-adma.c +++ b/drivers/dma/tegra210-adma.c @@ -22,7 +22,6 @@ #include <linux/of_device.h> #include <linux/of_dma.h> #include <linux/of_irq.h> -#include <linux/pm_clock.h> #include <linux/pm_runtime.h> #include <linux/slab.h> @@ -141,6 +140,7 @@ struct tegra_adma { struct dma_device dma_dev; struct device *dev; void __iomem *base_addr; + struct clk *ahub_clk; unsigned int nr_channels; unsigned long rx_requests_reserved; unsigned long tx_requests_reserved; @@ -637,8 +637,9 @@ static int tegra_adma_runtime_suspend(struct device *dev) struct tegra_adma *tdma = dev_get_drvdata(dev); tdma->global_cmd = tdma_read(tdma, ADMA_GLOBAL_CMD); + clk_disable_unprepare(tdma->ahub_clk); - return pm_clk_suspend(dev); + return 0; } static int tegra_adma_runtime_resume(struct device *dev) @@ -646,10 +647,11 @@ static int tegra_adma_runtime_resume(struct device *dev) struct tegra_adma *tdma = dev_get_drvdata(dev); int ret; - ret = pm_clk_resume(dev); - if (ret) + ret = clk_prepare_enable(tdma->ahub_clk); + if (ret) { + dev_err(dev, "ahub clk_enable failed: %d\n", ret); return ret; - + } tdma_write(tdma, ADMA_GLOBAL_CMD, tdma->global_cmd); return 0; @@ -692,13 +694,11 @@ static int tegra_adma_probe(struct platform_device *pdev) if (IS_ERR(tdma->base_addr)) return PTR_ERR(tdma->base_addr); - ret = pm_clk_create(&pdev->dev); - if (ret) - return ret; - - ret = of_pm_clk_add_clk(&pdev->dev, "d_audio"); - if (ret) - goto clk_destroy; + tdma->ahub_clk = devm_clk_get(&pdev->dev, "d_audio"); + if (IS_ERR(tdma->ahub_clk)) { + dev_err(&pdev->dev, "Error: Missing ahub controller clock\n"); + return PTR_ERR(tdma->ahub_clk); + } pm_runtime_enable(&pdev->dev); @@ -775,8 +775,6 @@ rpm_put: pm_runtime_put_sync(&pdev->dev); rpm_disable: pm_runtime_disable(&pdev->dev); -clk_destroy: - pm_clk_destroy(&pdev->dev); return ret; } @@ -786,6 +784,7 @@ static int tegra_adma_remove(struct platform_device *pdev) struct tegra_adma *tdma = platform_get_drvdata(pdev); int i; + of_dma_controller_free(pdev->dev.of_node); dma_async_device_unregister(&tdma->dma_dev); for (i = 0; i < tdma->nr_channels; ++i) @@ -793,7 +792,6 @@ static int tegra_adma_remove(struct platform_device *pdev) pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - pm_clk_destroy(&pdev->dev); return 0; } diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index da0e9bc4262f..9327479c719c 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -1726,6 +1726,16 @@ static int arizona_extcon_remove(struct platform_device *pdev) struct arizona_extcon_info *info = platform_get_drvdata(pdev); struct arizona *arizona = info->arizona; int jack_irq_rise, jack_irq_fall; + bool change; + + regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, + ARIZONA_MICD_ENA, 0, + &change); + + if (change) { + regulator_disable(info->micvdd); + pm_runtime_put(info->dev); + } gpiod_put(info->micd_pol_gpio); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 7056925eb386..869ff624b108 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -136,8 +136,9 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, { struct amdgpu_device *adev = ring->adev; struct amdgpu_fence *fence; - struct dma_fence *old, **ptr; + struct dma_fence __rcu **ptr; uint32_t seq; + int r; fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL); if (fence == NULL) @@ -153,15 +154,24 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, seq, flags | AMDGPU_FENCE_FLAG_INT); ptr = &ring->fence_drv.fences[seq & ring->fence_drv.num_fences_mask]; + if (unlikely(rcu_dereference_protected(*ptr, 1))) { + struct dma_fence *old; + + rcu_read_lock(); + old = dma_fence_get_rcu_safe(ptr); + rcu_read_unlock(); + + if (old) { + r = dma_fence_wait(old, false); + dma_fence_put(old); + if (r) + return r; + } + } + /* This function can't be called concurrently anyway, otherwise * emitting the fence would mess up the hardware ring buffer. */ - old = rcu_dereference_protected(*ptr, 1); - if (old && !dma_fence_is_signaled(old)) { - DRM_INFO("rcu slot is busy\n"); - dma_fence_wait(old, false); - } - rcu_assign_pointer(*ptr, dma_fence_get(&fence->base)); *f = &fence->base; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 76ee2de43ea6..dac7978f5ee1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4369,8 +4369,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state, struct dc_stream_state *stream_state) { - stream_state->mode_changed = - crtc_state->mode_changed || crtc_state->active_changed; + stream_state->mode_changed = drm_atomic_crtc_needs_modeset(crtc_state); } static int amdgpu_dm_atomic_commit(struct drm_device *dev, diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 87bf422f16be..e0a96abb3c46 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1401,10 +1401,12 @@ bool dc_remove_plane_from_context( * For head pipe detach surfaces from pipe for tail * pipe just zero it out */ - if (!pipe_ctx->top_pipe) { + if (!pipe_ctx->top_pipe || + (!pipe_ctx->top_pipe->top_pipe && + pipe_ctx->top_pipe->stream_res.opp != pipe_ctx->stream_res.opp)) { pipe_ctx->plane_state = NULL; pipe_ctx->bottom_pipe = NULL; - } else { + } else { memset(pipe_ctx, 0, sizeof(*pipe_ctx)); } } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c index 4a863a5dab41..321af9af95e8 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c @@ -406,15 +406,25 @@ void dpp1_dscl_calc_lb_num_partitions( int *num_part_y, int *num_part_c) { + int lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a, + lb_bpc, memory_line_size_y, memory_line_size_c, memory_line_size_a; + int line_size = scl_data->viewport.width < scl_data->recout.width ? scl_data->viewport.width : scl_data->recout.width; int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ? scl_data->viewport_c.width : scl_data->recout.width; - int lb_bpc = dpp1_dscl_get_lb_depth_bpc(scl_data->lb_params.depth); - int memory_line_size_y = (line_size * lb_bpc + 71) / 72; /* +71 to ceil */ - int memory_line_size_c = (line_size_c * lb_bpc + 71) / 72; /* +71 to ceil */ - int memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */ - int lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a; + + if (line_size == 0) + line_size = 1; + + if (line_size_c == 0) + line_size_c = 1; + + + lb_bpc = dpp1_dscl_get_lb_depth_bpc(scl_data->lb_params.depth); + memory_line_size_y = (line_size * lb_bpc + 71) / 72; /* +71 to ceil */ + memory_line_size_c = (line_size_c * lb_bpc + 71) / 72; /* +71 to ceil */ + memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */ if (lb_config == LB_MEMORY_CONFIG_1) { lb_memory_size = 816; diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 9cbe8f5c9aca..6e241a3c31ee 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -595,6 +595,10 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, plane = crtc->primary; + /* allow disabling with the primary plane leased */ + if (crtc_req->mode_valid && !drm_lease_held(file_priv, plane->base.id)) + return -EACCES; + mutex_lock(&crtc->dev->mode_config.mutex); drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); retry: diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 0201ccb22f4c..d8ae4ca129c7 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -499,7 +499,7 @@ int drm_dev_init(struct drm_device *dev, } kref_init(&dev->ref); - dev->dev = parent; + dev->dev = get_device(parent); dev->driver = driver; INIT_LIST_HEAD(&dev->filelist); @@ -568,6 +568,7 @@ err_minors: drm_minor_free(dev, DRM_MINOR_RENDER); drm_fs_inode_free(dev->anon_inode); err_free: + put_device(dev->dev); mutex_destroy(&dev->master_mutex); mutex_destroy(&dev->ctxlist_mutex); mutex_destroy(&dev->clientlist_mutex); @@ -603,6 +604,8 @@ void drm_dev_fini(struct drm_device *dev) drm_minor_free(dev, DRM_MINOR_PRIMARY); drm_minor_free(dev, DRM_MINOR_RENDER); + put_device(dev->dev); + mutex_destroy(&dev->master_mutex); mutex_destroy(&dev->ctxlist_mutex); mutex_destroy(&dev->clientlist_mutex); diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index e4ccb52c67ea..334addaca9c5 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -567,6 +567,7 @@ put_back_event: file_priv->event_space -= length; list_add(&e->link, &file_priv->event_list); spin_unlock_irq(&dev->event_lock); + wake_up_interruptible(&file_priv->event_wait); break; } diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index d36b1be632d9..2411b6de055e 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -940,6 +940,11 @@ retry: if (ret) goto out; + if (!drm_lease_held(file_priv, crtc->cursor->base.id)) { + ret = -EACCES; + goto out; + } + ret = drm_mode_cursor_universal(crtc, req, file_priv, &ctx); goto out; } @@ -1042,6 +1047,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, plane = crtc->primary; + if (!drm_lease_held(file_priv, plane->base.id)) + return -EACCES; + if (crtc->funcs->page_flip_target) { u32 current_vblank; int r; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index 83c1f46670bf..00675fcbffa2 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -527,6 +527,9 @@ static int etnaviv_bind(struct device *dev) } drm->dev_private = priv; + dev->dma_parms = &priv->dma_parms; + dma_set_max_seg_size(dev, SZ_2G); + mutex_init(&priv->gem_lock); INIT_LIST_HEAD(&priv->gem_list); priv->num_gpus = 0; @@ -564,6 +567,8 @@ static void etnaviv_unbind(struct device *dev) component_unbind_all(dev, drm); + dev->dma_parms = NULL; + drm->dev_private = NULL; kfree(priv); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h index 8d02d1b7dcf5..b2930d1fe97c 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h @@ -43,6 +43,7 @@ struct etnaviv_file_private { struct etnaviv_drm_private { int num_gpus; + struct device_dma_parameters dma_parms; struct etnaviv_gpu *gpu[ETNA_MAX_PIPES]; /* list of GEM objects: */ diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index ab1d9308c311..ba6f3c14495c 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -35,7 +35,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname) { struct device *dev = &gpu->pdev->dev; const struct firmware *fw; - struct device_node *np; + struct device_node *np, *mem_np; struct resource r; phys_addr_t mem_phys; ssize_t mem_size; @@ -49,11 +49,13 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname) if (!np) return -ENODEV; - np = of_parse_phandle(np, "memory-region", 0); - if (!np) + mem_np = of_parse_phandle(np, "memory-region", 0); + of_node_put(np); + if (!mem_np) return -EINVAL; - ret = of_address_to_resource(np, 0, &r); + ret = of_address_to_resource(mem_np, 0, &r); + of_node_put(mem_np); if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h index eef54e9b5d77..7957eafa5f0e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h @@ -38,6 +38,7 @@ struct nvkm_i2c_bus { struct mutex mutex; struct list_head head; struct i2c_adapter i2c; + u8 enabled; }; int nvkm_i2c_bus_acquire(struct nvkm_i2c_bus *); @@ -57,6 +58,7 @@ struct nvkm_i2c_aux { struct mutex mutex; struct list_head head; struct i2c_adapter i2c; + u8 enabled; u32 intr; }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c index 157b076a1272..38c9c086754b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c @@ -109,7 +109,7 @@ nv50_bar_oneinit(struct nvkm_bar *base) struct nvkm_device *device = bar->base.subdev.device; static struct lock_class_key bar1_lock; static struct lock_class_key bar2_lock; - u64 start, limit; + u64 start, limit, size; int ret; ret = nvkm_gpuobj_new(device, 0x20000, 0, false, NULL, &bar->mem); @@ -127,7 +127,10 @@ nv50_bar_oneinit(struct nvkm_bar *base) /* BAR2 */ start = 0x0100000000ULL; - limit = start + device->func->resource_size(device, 3); + size = device->func->resource_size(device, 3); + if (!size) + return -ENOMEM; + limit = start + size; ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0, &bar2_lock, "bar2", &bar->bar2_vmm); @@ -164,7 +167,10 @@ nv50_bar_oneinit(struct nvkm_bar *base) /* BAR1 */ start = 0x0000000000ULL; - limit = start + device->func->resource_size(device, 1); + size = device->func->resource_size(device, 1); + if (!size) + return -ENOMEM; + limit = start + size; ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0, &bar1_lock, "bar1", &bar->bar1_vmm); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c index 4c1f547da463..b4e7404fe660 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c @@ -105,9 +105,15 @@ nvkm_i2c_aux_acquire(struct nvkm_i2c_aux *aux) { struct nvkm_i2c_pad *pad = aux->pad; int ret; + AUX_TRACE(aux, "acquire"); mutex_lock(&aux->mutex); - ret = nvkm_i2c_pad_acquire(pad, NVKM_I2C_PAD_AUX); + + if (aux->enabled) + ret = nvkm_i2c_pad_acquire(pad, NVKM_I2C_PAD_AUX); + else + ret = -EIO; + if (ret) mutex_unlock(&aux->mutex); return ret; @@ -145,6 +151,24 @@ nvkm_i2c_aux_del(struct nvkm_i2c_aux **paux) } } +void +nvkm_i2c_aux_init(struct nvkm_i2c_aux *aux) +{ + AUX_TRACE(aux, "init"); + mutex_lock(&aux->mutex); + aux->enabled = true; + mutex_unlock(&aux->mutex); +} + +void +nvkm_i2c_aux_fini(struct nvkm_i2c_aux *aux) +{ + AUX_TRACE(aux, "fini"); + mutex_lock(&aux->mutex); + aux->enabled = false; + mutex_unlock(&aux->mutex); +} + int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *func, struct nvkm_i2c_pad *pad, int id, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h index 7d56c4ba693c..08f6b2ee64ab 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h @@ -16,6 +16,8 @@ int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *, int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *, int id, struct nvkm_i2c_aux **); void nvkm_i2c_aux_del(struct nvkm_i2c_aux **); +void nvkm_i2c_aux_init(struct nvkm_i2c_aux *); +void nvkm_i2c_aux_fini(struct nvkm_i2c_aux *); int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type, u32 addr, u8 *data, u8 *size); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c index 4f197b15acf6..ecacb22834d7 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c @@ -160,8 +160,18 @@ nvkm_i2c_fini(struct nvkm_subdev *subdev, bool suspend) { struct nvkm_i2c *i2c = nvkm_i2c(subdev); struct nvkm_i2c_pad *pad; + struct nvkm_i2c_bus *bus; + struct nvkm_i2c_aux *aux; u32 mask; + list_for_each_entry(aux, &i2c->aux, head) { + nvkm_i2c_aux_fini(aux); + } + + list_for_each_entry(bus, &i2c->bus, head) { + nvkm_i2c_bus_fini(bus); + } + if ((mask = (1 << i2c->func->aux) - 1), i2c->func->aux_stat) { i2c->func->aux_mask(i2c, NVKM_I2C_ANY, mask, 0); i2c->func->aux_stat(i2c, &mask, &mask, &mask, &mask); @@ -180,6 +190,7 @@ nvkm_i2c_init(struct nvkm_subdev *subdev) struct nvkm_i2c *i2c = nvkm_i2c(subdev); struct nvkm_i2c_bus *bus; struct nvkm_i2c_pad *pad; + struct nvkm_i2c_aux *aux; list_for_each_entry(pad, &i2c->pad, head) { nvkm_i2c_pad_init(pad); @@ -189,6 +200,10 @@ nvkm_i2c_init(struct nvkm_subdev *subdev) nvkm_i2c_bus_init(bus); } + list_for_each_entry(aux, &i2c->aux, head) { + nvkm_i2c_aux_init(aux); + } + return 0; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.c index 807a2b67bd64..ed50cc3736b9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.c @@ -110,6 +110,19 @@ nvkm_i2c_bus_init(struct nvkm_i2c_bus *bus) BUS_TRACE(bus, "init"); if (bus->func->init) bus->func->init(bus); + + mutex_lock(&bus->mutex); + bus->enabled = true; + mutex_unlock(&bus->mutex); +} + +void +nvkm_i2c_bus_fini(struct nvkm_i2c_bus *bus) +{ + BUS_TRACE(bus, "fini"); + mutex_lock(&bus->mutex); + bus->enabled = false; + mutex_unlock(&bus->mutex); } void @@ -126,9 +139,15 @@ nvkm_i2c_bus_acquire(struct nvkm_i2c_bus *bus) { struct nvkm_i2c_pad *pad = bus->pad; int ret; + BUS_TRACE(bus, "acquire"); mutex_lock(&bus->mutex); - ret = nvkm_i2c_pad_acquire(pad, NVKM_I2C_PAD_I2C); + + if (bus->enabled) + ret = nvkm_i2c_pad_acquire(pad, NVKM_I2C_PAD_I2C); + else + ret = -EIO; + if (ret) mutex_unlock(&bus->mutex); return ret; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h index bea0dd33961e..465464bba58b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h @@ -18,6 +18,7 @@ int nvkm_i2c_bus_new_(const struct nvkm_i2c_bus_func *, struct nvkm_i2c_pad *, int id, struct nvkm_i2c_bus **); void nvkm_i2c_bus_del(struct nvkm_i2c_bus **); void nvkm_i2c_bus_init(struct nvkm_i2c_bus *); +void nvkm_i2c_bus_fini(struct nvkm_i2c_bus *); int nvkm_i2c_bit_xfer(struct nvkm_i2c_bus *, struct i2c_msg *, int); diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 74467b308721..8160954ebc25 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -1386,12 +1386,9 @@ static int dsi_pll_enable(struct dss_pll *pll) */ dsi_enable_scp_clk(dsi); - if (!dsi->vdds_dsi_enabled) { - r = regulator_enable(dsi->vdds_dsi_reg); - if (r) - goto err0; - dsi->vdds_dsi_enabled = true; - } + r = regulator_enable(dsi->vdds_dsi_reg); + if (r) + goto err0; /* XXX PLL does not come out of reset without this... */ dispc_pck_free_enable(dsi->dss->dispc, 1); @@ -1416,36 +1413,25 @@ static int dsi_pll_enable(struct dss_pll *pll) return 0; err1: - if (dsi->vdds_dsi_enabled) { - regulator_disable(dsi->vdds_dsi_reg); - dsi->vdds_dsi_enabled = false; - } + regulator_disable(dsi->vdds_dsi_reg); err0: dsi_disable_scp_clk(dsi); dsi_runtime_put(dsi); return r; } -static void dsi_pll_uninit(struct dsi_data *dsi, bool disconnect_lanes) +static void dsi_pll_disable(struct dss_pll *pll) { + struct dsi_data *dsi = container_of(pll, struct dsi_data, pll); + dsi_pll_power(dsi, DSI_PLL_POWER_OFF); - if (disconnect_lanes) { - WARN_ON(!dsi->vdds_dsi_enabled); - regulator_disable(dsi->vdds_dsi_reg); - dsi->vdds_dsi_enabled = false; - } + + regulator_disable(dsi->vdds_dsi_reg); dsi_disable_scp_clk(dsi); dsi_runtime_put(dsi); - DSSDBG("PLL uninit done\n"); -} - -static void dsi_pll_disable(struct dss_pll *pll) -{ - struct dsi_data *dsi = container_of(pll, struct dsi_data, pll); - - dsi_pll_uninit(dsi, true); + DSSDBG("PLL disable done\n"); } static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s) @@ -4195,11 +4181,11 @@ static int dsi_display_init_dsi(struct dsi_data *dsi) r = dss_pll_enable(&dsi->pll); if (r) - goto err0; + return r; r = dsi_configure_dsi_clocks(dsi); if (r) - goto err1; + goto err0; dss_select_dsi_clk_source(dsi->dss, dsi->module_id, dsi->module_id == 0 ? @@ -4207,6 +4193,14 @@ static int dsi_display_init_dsi(struct dsi_data *dsi) DSSDBG("PLL OK\n"); + if (!dsi->vdds_dsi_enabled) { + r = regulator_enable(dsi->vdds_dsi_reg); + if (r) + goto err1; + + dsi->vdds_dsi_enabled = true; + } + r = dsi_cio_init(dsi); if (r) goto err2; @@ -4235,10 +4229,13 @@ static int dsi_display_init_dsi(struct dsi_data *dsi) err3: dsi_cio_uninit(dsi); err2: - dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK); + regulator_disable(dsi->vdds_dsi_reg); + dsi->vdds_dsi_enabled = false; err1: - dss_pll_disable(&dsi->pll); + dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK); err0: + dss_pll_disable(&dsi->pll); + return r; } @@ -4257,7 +4254,12 @@ static void dsi_display_uninit_dsi(struct dsi_data *dsi, bool disconnect_lanes, dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK); dsi_cio_uninit(dsi); - dsi_pll_uninit(dsi, disconnect_lanes); + dss_pll_disable(&dsi->pll); + + if (disconnect_lanes) { + regulator_disable(dsi->vdds_dsi_reg); + dsi->vdds_dsi_enabled = false; + } } static int dsi_display_enable(struct omap_dss_device *dssdev) diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c index 87fa316e1d7b..58ccf648b70f 100644 --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c @@ -248,6 +248,9 @@ static int otm8009a_init_sequence(struct otm8009a *ctx) /* Send Command GRAM memory write (no parameters) */ dcs_write_seq(ctx, MIPI_DCS_WRITE_MEMORY_START); + /* Wait a short while to let the panel be ready before the 1st frame */ + mdelay(10); + return 0; } diff --git a/drivers/gpu/drm/pl111/pl111_versatile.c b/drivers/gpu/drm/pl111/pl111_versatile.c index b9baefdba38a..1c318ad32a8c 100644 --- a/drivers/gpu/drm/pl111/pl111_versatile.c +++ b/drivers/gpu/drm/pl111/pl111_versatile.c @@ -330,6 +330,7 @@ int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv) ret = vexpress_muxfpga_init(); if (ret) { dev_err(dev, "unable to initialize muxfpga driver\n"); + of_node_put(np); return ret; } @@ -337,17 +338,20 @@ int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv) pdev = of_find_device_by_node(np); if (!pdev) { dev_err(dev, "can't find the sysreg device, deferring\n"); + of_node_put(np); return -EPROBE_DEFER; } map = dev_get_drvdata(&pdev->dev); if (!map) { dev_err(dev, "sysreg has not yet probed\n"); platform_device_put(pdev); + of_node_put(np); return -EPROBE_DEFER; } } else { map = syscon_node_to_regmap(np); } + of_node_put(np); if (IS_ERR(map)) { dev_err(dev, "no Versatile syscon regmap\n"); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index f814d37b1db2..00a06768edb2 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -442,6 +442,14 @@ static int rockchip_drm_platform_remove(struct platform_device *pdev) return 0; } +static void rockchip_drm_platform_shutdown(struct platform_device *pdev) +{ + struct drm_device *drm = platform_get_drvdata(pdev); + + if (drm) + drm_atomic_helper_shutdown(drm); +} + static const struct of_device_id rockchip_drm_dt_ids[] = { { .compatible = "rockchip,display-subsystem", }, { /* sentinel */ }, @@ -451,6 +459,7 @@ MODULE_DEVICE_TABLE(of, rockchip_drm_dt_ids); static struct platform_driver rockchip_drm_platform_driver = { .probe = rockchip_drm_platform_probe, .remove = rockchip_drm_platform_remove, + .shutdown = rockchip_drm_platform_shutdown, .driver = { .name = "rockchip-drm", .of_match_table = rockchip_drm_dt_ids, diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index e3b34a345546..97a0573cc514 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -357,7 +357,13 @@ static void sun6i_dsi_inst_init(struct sun6i_dsi *dsi, static u16 sun6i_dsi_get_video_start_delay(struct sun6i_dsi *dsi, struct drm_display_mode *mode) { - return mode->vtotal - (mode->vsync_end - mode->vdisplay) + 1; + u16 start = clamp(mode->vtotal - mode->vdisplay - 10, 8, 100); + u16 delay = mode->vtotal - (mode->vsync_end - mode->vdisplay) + start; + + if (delay > mode->vtotal) + delay = delay % mode->vtotal; + + return max_t(u16, delay, 1); } static void sun6i_dsi_setup_burst(struct sun6i_dsi *dsi, diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c index a564b5dfe082..dc9b1398adb9 100644 --- a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c +++ b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c @@ -177,7 +177,8 @@ static int sun8i_hdmi_phy_config_h3(struct dw_hdmi *hdmi, SUN8I_HDMI_PHY_ANA_CFG2_REG_BIGSW | SUN8I_HDMI_PHY_ANA_CFG2_REG_SLV(4); ana_cfg3_init |= SUN8I_HDMI_PHY_ANA_CFG3_REG_AMPCK(9) | - SUN8I_HDMI_PHY_ANA_CFG3_REG_AMP(13); + SUN8I_HDMI_PHY_ANA_CFG3_REG_AMP(13) | + SUN8I_HDMI_PHY_ANA_CFG3_REG_EMP(3); } regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_ANA_CFG1_REG, @@ -501,22 +502,13 @@ int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node) goto err_put_clk_pll0; } } - - ret = sun8i_phy_clk_create(phy, dev, - phy->variant->has_second_pll); - if (ret) { - dev_err(dev, "Couldn't create the PHY clock\n"); - goto err_put_clk_pll1; - } - - clk_prepare_enable(phy->clk_phy); } phy->rst_phy = of_reset_control_get_shared(node, "phy"); if (IS_ERR(phy->rst_phy)) { dev_err(dev, "Could not get phy reset control\n"); ret = PTR_ERR(phy->rst_phy); - goto err_disable_clk_phy; + goto err_put_clk_pll1; } ret = reset_control_deassert(phy->rst_phy); @@ -537,18 +529,29 @@ int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node) goto err_disable_clk_bus; } + if (phy->variant->has_phy_clk) { + ret = sun8i_phy_clk_create(phy, dev, + phy->variant->has_second_pll); + if (ret) { + dev_err(dev, "Couldn't create the PHY clock\n"); + goto err_disable_clk_mod; + } + + clk_prepare_enable(phy->clk_phy); + } + hdmi->phy = phy; return 0; +err_disable_clk_mod: + clk_disable_unprepare(phy->clk_mod); err_disable_clk_bus: clk_disable_unprepare(phy->clk_bus); err_deassert_rst_phy: reset_control_assert(phy->rst_phy); err_put_rst_phy: reset_control_put(phy->rst_phy); -err_disable_clk_phy: - clk_disable_unprepare(phy->clk_phy); err_put_clk_pll1: clk_put(phy->clk_pll1); err_put_clk_pll0: diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index 4f80100ff5f3..4cce11fd8836 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -204,7 +204,7 @@ static void tegra_bo_free(struct drm_device *drm, struct tegra_bo *bo) { if (bo->pages) { dma_unmap_sg(drm->dev, bo->sgt->sgl, bo->sgt->nents, - DMA_BIDIRECTIONAL); + DMA_FROM_DEVICE); drm_gem_put_pages(&bo->gem, bo->pages, true, true); sg_free_table(bo->sgt); kfree(bo->sgt); @@ -230,7 +230,7 @@ static int tegra_bo_get_pages(struct drm_device *drm, struct tegra_bo *bo) } err = dma_map_sg(drm->dev, bo->sgt->sgl, bo->sgt->nents, - DMA_BIDIRECTIONAL); + DMA_FROM_DEVICE); if (err == 0) { err = -EFAULT; goto free_sgt; diff --git a/drivers/gpu/drm/tinydrm/ili9225.c b/drivers/gpu/drm/tinydrm/ili9225.c index 455fefe012f5..6044a01069ce 100644 --- a/drivers/gpu/drm/tinydrm/ili9225.c +++ b/drivers/gpu/drm/tinydrm/ili9225.c @@ -278,7 +278,7 @@ static void ili9225_pipe_disable(struct drm_simple_display_pipe *pipe) mipi->enabled = false; } -static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 cmd, u8 *par, +static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 *cmd, u8 *par, size_t num) { struct spi_device *spi = mipi->spi; @@ -288,11 +288,11 @@ static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 cmd, u8 *par, gpiod_set_value_cansleep(mipi->dc, 0); speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); - ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1); + ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, cmd, 1); if (ret || !num) return ret; - if (cmd == ILI9225_WRITE_DATA_TO_GRAM && !mipi->swap_bytes) + if (*cmd == ILI9225_WRITE_DATA_TO_GRAM && !mipi->swap_bytes) bpw = 16; gpiod_set_value_cansleep(mipi->dc, 1); diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c index cb3441e51d5f..e772a8a9da80 100644 --- a/drivers/gpu/drm/tinydrm/mipi-dbi.c +++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c @@ -144,16 +144,42 @@ EXPORT_SYMBOL(mipi_dbi_command_read); */ int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len) { + u8 *cmdbuf; int ret; + /* SPI requires dma-safe buffers */ + cmdbuf = kmemdup(&cmd, 1, GFP_KERNEL); + if (!cmdbuf) + return -ENOMEM; + mutex_lock(&mipi->cmdlock); - ret = mipi->command(mipi, cmd, data, len); + ret = mipi->command(mipi, cmdbuf, data, len); mutex_unlock(&mipi->cmdlock); + kfree(cmdbuf); + return ret; } EXPORT_SYMBOL(mipi_dbi_command_buf); +/* This should only be used by mipi_dbi_command() */ +int mipi_dbi_command_stackbuf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len) +{ + u8 *buf; + int ret; + + buf = kmemdup(data, len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = mipi_dbi_command_buf(mipi, cmd, buf, len); + + kfree(buf); + + return ret; +} +EXPORT_SYMBOL(mipi_dbi_command_stackbuf); + /** * mipi_dbi_buf_copy - Copy a framebuffer, transforming it if necessary * @dst: The destination buffer @@ -741,18 +767,18 @@ static int mipi_dbi_spi1_transfer(struct mipi_dbi *mipi, int dc, return 0; } -static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 cmd, +static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 *cmd, u8 *parameters, size_t num) { - unsigned int bpw = (cmd == MIPI_DCS_WRITE_MEMORY_START) ? 16 : 8; + unsigned int bpw = (*cmd == MIPI_DCS_WRITE_MEMORY_START) ? 16 : 8; int ret; - if (mipi_dbi_command_is_read(mipi, cmd)) + if (mipi_dbi_command_is_read(mipi, *cmd)) return -ENOTSUPP; - MIPI_DBI_DEBUG_COMMAND(cmd, parameters, num); + MIPI_DBI_DEBUG_COMMAND(*cmd, parameters, num); - ret = mipi_dbi_spi1_transfer(mipi, 0, &cmd, 1, 8); + ret = mipi_dbi_spi1_transfer(mipi, 0, cmd, 1, 8); if (ret || !num) return ret; @@ -761,7 +787,7 @@ static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 cmd, /* MIPI DBI Type C Option 3 */ -static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd, +static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 *cmd, u8 *data, size_t len) { struct spi_device *spi = mipi->spi; @@ -770,7 +796,7 @@ static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd, struct spi_transfer tr[2] = { { .speed_hz = speed_hz, - .tx_buf = &cmd, + .tx_buf = cmd, .len = 1, }, { .speed_hz = speed_hz, @@ -788,8 +814,8 @@ static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd, * Support non-standard 24-bit and 32-bit Nokia read commands which * start with a dummy clock, so we need to read an extra byte. */ - if (cmd == MIPI_DCS_GET_DISPLAY_ID || - cmd == MIPI_DCS_GET_DISPLAY_STATUS) { + if (*cmd == MIPI_DCS_GET_DISPLAY_ID || + *cmd == MIPI_DCS_GET_DISPLAY_STATUS) { if (!(len == 3 || len == 4)) return -EINVAL; @@ -819,7 +845,7 @@ static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd, data[i] = (buf[i] << 1) | !!(buf[i + 1] & BIT(7)); } - MIPI_DBI_DEBUG_COMMAND(cmd, data, len); + MIPI_DBI_DEBUG_COMMAND(*cmd, data, len); err_free: kfree(buf); @@ -827,7 +853,7 @@ err_free: return ret; } -static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 cmd, +static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 *cmd, u8 *par, size_t num) { struct spi_device *spi = mipi->spi; @@ -835,18 +861,18 @@ static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 cmd, u32 speed_hz; int ret; - if (mipi_dbi_command_is_read(mipi, cmd)) + if (mipi_dbi_command_is_read(mipi, *cmd)) return mipi_dbi_typec3_command_read(mipi, cmd, par, num); - MIPI_DBI_DEBUG_COMMAND(cmd, par, num); + MIPI_DBI_DEBUG_COMMAND(*cmd, par, num); gpiod_set_value_cansleep(mipi->dc, 0); speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); - ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1); + ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, cmd, 1); if (ret || !num) return ret; - if (cmd == MIPI_DCS_WRITE_MEMORY_START && !mipi->swap_bytes) + if (*cmd == MIPI_DCS_WRITE_MEMORY_START && !mipi->swap_bytes) bpw = 16; gpiod_set_value_cansleep(mipi->dc, 1); diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index 2a85fa68ffea..2a4c6187e675 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -305,14 +305,18 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) if (ret) goto dev_destroy; - v3d_irq_init(v3d); + ret = v3d_irq_init(v3d); + if (ret) + goto gem_destroy; ret = drm_dev_register(drm, 0); if (ret) - goto gem_destroy; + goto irq_disable; return 0; +irq_disable: + v3d_irq_disable(v3d); gem_destroy: v3d_gem_destroy(drm); dev_destroy: diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index e6fed696ad86..0ad73f4b7509 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -284,7 +284,7 @@ void v3d_invalidate_caches(struct v3d_dev *v3d); void v3d_flush_caches(struct v3d_dev *v3d); /* v3d_irq.c */ -void v3d_irq_init(struct v3d_dev *v3d); +int v3d_irq_init(struct v3d_dev *v3d); void v3d_irq_enable(struct v3d_dev *v3d); void v3d_irq_disable(struct v3d_dev *v3d); void v3d_irq_reset(struct v3d_dev *v3d); diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c index e07514eb11b5..22be0f2dff99 100644 --- a/drivers/gpu/drm/v3d/v3d_irq.c +++ b/drivers/gpu/drm/v3d/v3d_irq.c @@ -137,7 +137,7 @@ v3d_hub_irq(int irq, void *arg) return status; } -void +int v3d_irq_init(struct v3d_dev *v3d) { int ret, core; @@ -154,13 +154,22 @@ v3d_irq_init(struct v3d_dev *v3d) ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0), v3d_hub_irq, IRQF_SHARED, "v3d_hub", v3d); + if (ret) + goto fail; + ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 1), v3d_irq, IRQF_SHARED, "v3d_core0", v3d); if (ret) - dev_err(v3d->dev, "IRQ setup failed: %d\n", ret); + goto fail; v3d_irq_enable(v3d); + return 0; + +fail: + if (ret != -EPROBE_DEFER) + dev_err(v3d->dev, "IRQ setup failed: %d\n", ret); + return ret; } void diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index c72b942f2bdf..82ae68716696 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1291,7 +1291,13 @@ static int vmw_master_set(struct drm_device *dev, } dev_priv->active_master = vmaster; - drm_sysfs_hotplug_event(dev); + + /* + * Inform a new master that the layout may have changed while + * it was gone. + */ + if (!from_open) + drm_sysfs_hotplug_event(dev); return 0; } diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 44564f61e9cc..861375561156 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -215,13 +215,14 @@ static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) * Add a usage to the temporary parser table. */ -static int hid_add_usage(struct hid_parser *parser, unsigned usage) +static int hid_add_usage(struct hid_parser *parser, unsigned usage, u8 size) { if (parser->local.usage_index >= HID_MAX_USAGES) { hid_err(parser->device, "usage index exceeded\n"); return -1; } parser->local.usage[parser->local.usage_index] = usage; + parser->local.usage_size[parser->local.usage_index] = size; parser->local.collection_index[parser->local.usage_index] = parser->collection_stack_ptr ? parser->collection_stack[parser->collection_stack_ptr - 1] : 0; @@ -482,10 +483,7 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) return 0; } - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; - - return hid_add_usage(parser, data); + return hid_add_usage(parser, data, item->size); case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: @@ -494,9 +492,6 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) return 0; } - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; - parser->local.usage_minimum = data; return 0; @@ -507,9 +502,6 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) return 0; } - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; - count = data - parser->local.usage_minimum; if (count + parser->local.usage_index >= HID_MAX_USAGES) { /* @@ -529,7 +521,7 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) } for (n = parser->local.usage_minimum; n <= data; n++) - if (hid_add_usage(parser, n)) { + if (hid_add_usage(parser, n, item->size)) { dbg_hid("hid_add_usage failed\n"); return -1; } @@ -544,6 +536,22 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) } /* + * Concatenate Usage Pages into Usages where relevant: + * As per specification, 6.2.2.8: "When the parser encounters a main item it + * concatenates the last declared Usage Page with a Usage to form a complete + * usage value." + */ + +static void hid_concatenate_usage_page(struct hid_parser *parser) +{ + int i; + + for (i = 0; i < parser->local.usage_index; i++) + if (parser->local.usage_size[i] <= 2) + parser->local.usage[i] += parser->global.usage_page << 16; +} + +/* * Process a main item. */ @@ -552,6 +560,8 @@ static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) __u32 data; int ret; + hid_concatenate_usage_page(parser); + data = item_udata(item); switch (item->tag) { @@ -761,6 +771,8 @@ static int hid_scan_main(struct hid_parser *parser, struct hid_item *item) __u32 data; int i; + hid_concatenate_usage_page(parser); + data = item_udata(item); switch (item->tag) { diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 8425d3548a41..e642cfaf303b 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -725,13 +725,16 @@ static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature, static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp) { + const u8 ping_byte = 0x5a; + u8 ping_data[3] = { 0, 0, ping_byte }; struct hidpp_report response; int ret; - ret = hidpp_send_fap_command_sync(hidpp, + ret = hidpp_send_rap_command_sync(hidpp, + REPORT_ID_HIDPP_SHORT, HIDPP_PAGE_ROOT_IDX, CMD_ROOT_GET_PROTOCOL_VERSION, - NULL, 0, &response); + ping_data, sizeof(ping_data), &response); if (ret == HIDPP_ERROR_INVALID_SUBID) { hidpp->protocol_major = 1; @@ -751,8 +754,14 @@ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp) if (ret) return ret; - hidpp->protocol_major = response.fap.params[0]; - hidpp->protocol_minor = response.fap.params[1]; + if (response.rap.params[2] != ping_byte) { + hid_err(hidpp->hid_dev, "%s: ping mismatch 0x%02x != 0x%02x\n", + __func__, response.rap.params[2], ping_byte); + return -EPROTO; + } + + hidpp->protocol_major = response.rap.params[0]; + hidpp->protocol_minor = response.rap.params[1]; return ret; } @@ -901,7 +910,11 @@ static int hidpp_map_battery_level(int capacity) { if (capacity < 11) return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; - else if (capacity < 31) + /* + * The spec says this should be < 31 but some devices report 30 + * with brand new batteries and Windows reports 30 as "Good". + */ + else if (capacity < 30) return POWER_SUPPLY_CAPACITY_LEVEL_LOW; else if (capacity < 81) return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index 73c681162653..623736d2a7c1 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -96,17 +96,23 @@ superio_select(int base, int ld) outb(ld, base + 1); } -static inline void +static inline int superio_enter(int base) { + if (!request_muxed_region(base, 2, DRVNAME)) + return -EBUSY; + outb(0x87, base); outb(0x87, base); + + return 0; } static inline void superio_exit(int base) { outb(0xaa, base); + release_region(base, 2); } /* @@ -1561,7 +1567,7 @@ exit: static int __init f71805f_find(int sioaddr, unsigned short *address, struct f71805f_sio_data *sio_data) { - int err = -ENODEV; + int err; u16 devid; static const char * const names[] = { @@ -1569,8 +1575,11 @@ static int __init f71805f_find(int sioaddr, unsigned short *address, "F71872F/FG or F71806F/FG", }; - superio_enter(sioaddr); + err = superio_enter(sioaddr); + if (err) + return err; + err = -ENODEV; devid = superio_inw(sioaddr, SIO_REG_MANID); if (devid != SIO_FINTEK_ID) goto exit; diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c index dc5a9d5ada51..81a05cd1a512 100644 --- a/drivers/hwmon/pc87427.c +++ b/drivers/hwmon/pc87427.c @@ -106,6 +106,13 @@ static const char *logdev_str[2] = { DRVNAME " FMC", DRVNAME " HMC" }; #define LD_IN 1 #define LD_TEMP 1 +static inline int superio_enter(int sioaddr) +{ + if (!request_muxed_region(sioaddr, 2, DRVNAME)) + return -EBUSY; + return 0; +} + static inline void superio_outb(int sioaddr, int reg, int val) { outb(reg, sioaddr); @@ -122,6 +129,7 @@ static inline void superio_exit(int sioaddr) { outb(0x02, sioaddr); outb(0x02, sioaddr + 1); + release_region(sioaddr, 2); } /* @@ -1220,7 +1228,11 @@ static int __init pc87427_find(int sioaddr, struct pc87427_sio_data *sio_data) { u16 val; u8 cfg, cfg_b; - int i, err = 0; + int i, err; + + err = superio_enter(sioaddr); + if (err) + return err; /* Identify device */ val = force_id ? force_id : superio_inb(sioaddr, SIOREG_DEVID); diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index 6bd200756560..cbdb5c4991ae 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -72,14 +72,19 @@ static inline void superio_select(int ld) superio_outb(0x07, ld); } -static inline void superio_enter(void) +static inline int superio_enter(void) { + if (!request_muxed_region(REG, 2, DRVNAME)) + return -EBUSY; + outb(0x55, REG); + return 0; } static inline void superio_exit(void) { outb(0xAA, REG); + release_region(REG, 2); } #define SUPERIO_REG_DEVID 0x20 @@ -300,8 +305,12 @@ static int __init smsc47b397_find(void) u8 id, rev; char *name; unsigned short addr; + int err; + + err = superio_enter(); + if (err) + return err; - superio_enter(); id = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID); switch (id) { diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index c7b6a425e2c0..5eeac9853d0a 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -73,16 +73,21 @@ superio_inb(int reg) /* logical device for fans is 0x0A */ #define superio_select() superio_outb(0x07, 0x0A) -static inline void +static inline int superio_enter(void) { + if (!request_muxed_region(REG, 2, DRVNAME)) + return -EBUSY; + outb(0x55, REG); + return 0; } static inline void superio_exit(void) { outb(0xAA, REG); + release_region(REG, 2); } #define SUPERIO_REG_ACT 0x30 @@ -531,8 +536,12 @@ static int __init smsc47m1_find(struct smsc47m1_sio_data *sio_data) { u8 val; unsigned short addr; + int err; + + err = superio_enter(); + if (err) + return err; - superio_enter(); val = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID); /* @@ -608,13 +617,14 @@ static int __init smsc47m1_find(struct smsc47m1_sio_data *sio_data) static void smsc47m1_restore(const struct smsc47m1_sio_data *sio_data) { if ((sio_data->activate & 0x01) == 0) { - superio_enter(); - superio_select(); - - pr_info("Disabling device\n"); - superio_outb(SUPERIO_REG_ACT, sio_data->activate); - - superio_exit(); + if (!superio_enter()) { + superio_select(); + pr_info("Disabling device\n"); + superio_outb(SUPERIO_REG_ACT, sio_data->activate); + superio_exit(); + } else { + pr_warn("Failed to disable device\n"); + } } } diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index 3a6bfa51cb94..95d5e8ec8b7f 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -226,15 +226,21 @@ static inline void superio_select(int sio_cip, int ldn) outb(ldn, sio_cip + 1); } -static inline void superio_enter(int sio_cip) +static inline int superio_enter(int sio_cip) { + if (!request_muxed_region(sio_cip, 2, DRVNAME)) + return -EBUSY; + outb(0x87, sio_cip); outb(0x87, sio_cip); + + return 0; } static inline void superio_exit(int sio_cip) { outb(0xaa, sio_cip); + release_region(sio_cip, 2); } /* --------------------------------------------------------------------- @@ -1282,11 +1288,14 @@ EXIT: static int __init vt1211_find(int sio_cip, unsigned short *address) { - int err = -ENODEV; + int err; int devid; - superio_enter(sio_cip); + err = superio_enter(sio_cip); + if (err) + return err; + err = -ENODEV; devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID); if (devid != SIO_VT1211_ID) goto EXIT; diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c index 745ed43a22d6..2fd717d8dd30 100644 --- a/drivers/i2c/busses/i2c-mlxcpld.c +++ b/drivers/i2c/busses/i2c-mlxcpld.c @@ -503,6 +503,7 @@ static int mlxcpld_i2c_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv); priv->dev = &pdev->dev; + priv->base_addr = MLXPLAT_CPLD_LPC_I2C_BASE_ADDR; /* Register with i2c layer */ mlxcpld_i2c_adapter.timeout = usecs_to_jiffies(MLXCPLD_I2C_XFER_TO); @@ -518,7 +519,6 @@ static int mlxcpld_i2c_probe(struct platform_device *pdev) mlxcpld_i2c_adapter.nr = pdev->id; priv->adap = mlxcpld_i2c_adapter; priv->adap.dev.parent = &pdev->dev; - priv->base_addr = MLXPLAT_CPLD_LPC_I2C_BASE_ADDR; i2c_set_adapdata(&priv->adap, priv); err = i2c_add_numbered_adapter(&priv->adap); diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c index e6c554e6ba58..e47380b96b1d 100644 --- a/drivers/i2c/busses/i2c-synquacer.c +++ b/drivers/i2c/busses/i2c-synquacer.c @@ -356,7 +356,7 @@ static int synquacer_i2c_doxfer(struct synquacer_i2c *i2c, /* wait 2 clock periods to ensure the stop has been through the bus */ udelay(DIV_ROUND_UP(2 * 1000, i2c->speed_khz)); - return 0; + return ret; } static irqreturn_t synquacer_i2c_isr(int irq, void *dev_id) diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 4a754921fb6f..9421c1ec86f7 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -696,6 +696,7 @@ config STM32_DFSDM_ADC depends on (ARCH_STM32 && OF) || COMPILE_TEST select STM32_DFSDM_CORE select REGMAP_MMIO + select IIO_BUFFER select IIO_BUFFER_HW_CONSUMER help Select this option to support ADCSigma delta modulator for diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index ae2a5097f449..25af4c76b57f 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -62,7 +62,7 @@ int ad_sd_write_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg, struct spi_transfer t = { .tx_buf = data, .len = size + 1, - .cs_change = sigma_delta->bus_locked, + .cs_change = sigma_delta->keep_cs_asserted, }; struct spi_message m; int ret; @@ -218,6 +218,7 @@ static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta, spi_bus_lock(sigma_delta->spi->master); sigma_delta->bus_locked = true; + sigma_delta->keep_cs_asserted = true; reinit_completion(&sigma_delta->completion); ret = ad_sigma_delta_set_mode(sigma_delta, mode); @@ -235,9 +236,10 @@ static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta, ret = 0; } out: + sigma_delta->keep_cs_asserted = false; + ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE); sigma_delta->bus_locked = false; spi_bus_unlock(sigma_delta->spi->master); - ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE); return ret; } @@ -289,6 +291,7 @@ int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev, spi_bus_lock(sigma_delta->spi->master); sigma_delta->bus_locked = true; + sigma_delta->keep_cs_asserted = true; reinit_completion(&sigma_delta->completion); ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_SINGLE); @@ -298,9 +301,6 @@ int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev, ret = wait_for_completion_interruptible_timeout( &sigma_delta->completion, HZ); - sigma_delta->bus_locked = false; - spi_bus_unlock(sigma_delta->spi->master); - if (ret == 0) ret = -EIO; if (ret < 0) @@ -316,7 +316,10 @@ out: sigma_delta->irq_dis = true; } + sigma_delta->keep_cs_asserted = false; ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE); + sigma_delta->bus_locked = false; + spi_bus_unlock(sigma_delta->spi->master); mutex_unlock(&indio_dev->mlock); if (ret) @@ -353,6 +356,8 @@ static int ad_sd_buffer_postenable(struct iio_dev *indio_dev) spi_bus_lock(sigma_delta->spi->master); sigma_delta->bus_locked = true; + sigma_delta->keep_cs_asserted = true; + ret = ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_CONTINUOUS); if (ret) goto err_unlock; @@ -381,6 +386,7 @@ static int ad_sd_buffer_postdisable(struct iio_dev *indio_dev) sigma_delta->irq_dis = true; } + sigma_delta->keep_cs_asserted = false; ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE); sigma_delta->bus_locked = false; diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c index a5bd5944bc66..c9cd7e5c1b61 100644 --- a/drivers/iio/adc/ti-ads7950.c +++ b/drivers/iio/adc/ti-ads7950.c @@ -56,6 +56,9 @@ struct ti_ads7950_state { struct spi_message ring_msg; struct spi_message scan_single_msg; + /* Lock to protect the spi xfer buffers */ + struct mutex slock; + struct regulator *reg; unsigned int vref_mv; @@ -277,6 +280,7 @@ static irqreturn_t ti_ads7950_trigger_handler(int irq, void *p) struct ti_ads7950_state *st = iio_priv(indio_dev); int ret; + mutex_lock(&st->slock); ret = spi_sync(st->spi, &st->ring_msg); if (ret < 0) goto out; @@ -285,6 +289,7 @@ static irqreturn_t ti_ads7950_trigger_handler(int irq, void *p) iio_get_time_ns(indio_dev)); out: + mutex_unlock(&st->slock); iio_trigger_notify_done(indio_dev->trig); return IRQ_HANDLED; @@ -295,7 +300,7 @@ static int ti_ads7950_scan_direct(struct iio_dev *indio_dev, unsigned int ch) struct ti_ads7950_state *st = iio_priv(indio_dev); int ret, cmd; - mutex_lock(&indio_dev->mlock); + mutex_lock(&st->slock); cmd = TI_ADS7950_CR_WRITE | TI_ADS7950_CR_CHAN(ch) | st->settings; st->single_tx = cpu_to_be16(cmd); @@ -307,7 +312,7 @@ static int ti_ads7950_scan_direct(struct iio_dev *indio_dev, unsigned int ch) ret = be16_to_cpu(st->single_rx); out: - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&st->slock); return ret; } @@ -423,16 +428,19 @@ static int ti_ads7950_probe(struct spi_device *spi) if (ACPI_COMPANION(&spi->dev)) st->vref_mv = TI_ADS7950_VA_MV_ACPI_DEFAULT; + mutex_init(&st->slock); + st->reg = devm_regulator_get(&spi->dev, "vref"); if (IS_ERR(st->reg)) { dev_err(&spi->dev, "Failed get get regulator \"vref\"\n"); - return PTR_ERR(st->reg); + ret = PTR_ERR(st->reg); + goto error_destroy_mutex; } ret = regulator_enable(st->reg); if (ret) { dev_err(&spi->dev, "Failed to enable regulator \"vref\"\n"); - return ret; + goto error_destroy_mutex; } ret = iio_triggered_buffer_setup(indio_dev, NULL, @@ -454,6 +462,8 @@ error_cleanup_ring: iio_triggered_buffer_cleanup(indio_dev); error_disable_reg: regulator_disable(st->reg); +error_destroy_mutex: + mutex_destroy(&st->slock); return ret; } @@ -466,6 +476,7 @@ static int ti_ads7950_remove(struct spi_device *spi) iio_device_unregister(indio_dev); iio_triggered_buffer_cleanup(indio_dev); regulator_disable(st->reg); + mutex_destroy(&st->slock); return 0; } diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index 8b4568edd5cb..7f16c77b99fb 100644 --- a/drivers/iio/adc/ti-ads8688.c +++ b/drivers/iio/adc/ti-ads8688.c @@ -397,7 +397,7 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p) } iio_push_to_buffers_with_timestamp(indio_dev, buffer, - pf->timestamp); + iio_get_time_ns(indio_dev)); iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/common/ssp_sensors/ssp_iio.c b/drivers/iio/common/ssp_sensors/ssp_iio.c index 645f2e3975db..e38f704d88b7 100644 --- a/drivers/iio/common/ssp_sensors/ssp_iio.c +++ b/drivers/iio/common/ssp_sensors/ssp_iio.c @@ -81,7 +81,7 @@ int ssp_common_process_data(struct iio_dev *indio_dev, void *buf, unsigned int len, int64_t timestamp) { __le32 time; - int64_t calculated_time; + int64_t calculated_time = 0; struct ssp_sensor_data *spd = iio_priv(indio_dev); if (indio_dev->scan_bytes == 0) diff --git a/drivers/iio/dac/ds4424.c b/drivers/iio/dac/ds4424.c index 883a47562055..714a97f91319 100644 --- a/drivers/iio/dac/ds4424.c +++ b/drivers/iio/dac/ds4424.c @@ -166,7 +166,7 @@ static int ds4424_verify_chip(struct iio_dev *indio_dev) { int ret, val; - ret = ds4424_get_value(indio_dev, &val, DS4424_DAC_ADDR(0)); + ret = ds4424_get_value(indio_dev, &val, 0); if (ret < 0) dev_err(&indio_dev->dev, "%s failed. ret: %d\n", __func__, ret); diff --git a/drivers/iio/magnetometer/hmc5843_i2c.c b/drivers/iio/magnetometer/hmc5843_i2c.c index 3de7f4426ac4..86abba5827a2 100644 --- a/drivers/iio/magnetometer/hmc5843_i2c.c +++ b/drivers/iio/magnetometer/hmc5843_i2c.c @@ -58,8 +58,13 @@ static const struct regmap_config hmc5843_i2c_regmap_config = { static int hmc5843_i2c_probe(struct i2c_client *cli, const struct i2c_device_id *id) { + struct regmap *regmap = devm_regmap_init_i2c(cli, + &hmc5843_i2c_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + return hmc5843_common_probe(&cli->dev, - devm_regmap_init_i2c(cli, &hmc5843_i2c_regmap_config), + regmap, id->driver_data, id->name); } diff --git a/drivers/iio/magnetometer/hmc5843_spi.c b/drivers/iio/magnetometer/hmc5843_spi.c index 535f03a70d63..79b2b707f90e 100644 --- a/drivers/iio/magnetometer/hmc5843_spi.c +++ b/drivers/iio/magnetometer/hmc5843_spi.c @@ -58,6 +58,7 @@ static const struct regmap_config hmc5843_spi_regmap_config = { static int hmc5843_spi_probe(struct spi_device *spi) { int ret; + struct regmap *regmap; const struct spi_device_id *id = spi_get_device_id(spi); spi->mode = SPI_MODE_3; @@ -67,8 +68,12 @@ static int hmc5843_spi_probe(struct spi_device *spi) if (ret) return ret; + regmap = devm_regmap_init_spi(spi, &hmc5843_spi_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + return hmc5843_common_probe(&spi->dev, - devm_regmap_init_spi(spi, &hmc5843_spi_regmap_config), + regmap, id->driver_data, id->name); } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 6f5be7802476..39dc7be56884 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1078,18 +1078,31 @@ static inline bool cma_any_addr(const struct sockaddr *addr) return cma_zero_addr(addr) || cma_loopback_addr(addr); } -static int cma_addr_cmp(struct sockaddr *src, struct sockaddr *dst) +static int cma_addr_cmp(const struct sockaddr *src, const struct sockaddr *dst) { if (src->sa_family != dst->sa_family) return -1; switch (src->sa_family) { case AF_INET: - return ((struct sockaddr_in *) src)->sin_addr.s_addr != - ((struct sockaddr_in *) dst)->sin_addr.s_addr; - case AF_INET6: - return ipv6_addr_cmp(&((struct sockaddr_in6 *) src)->sin6_addr, - &((struct sockaddr_in6 *) dst)->sin6_addr); + return ((struct sockaddr_in *)src)->sin_addr.s_addr != + ((struct sockaddr_in *)dst)->sin_addr.s_addr; + case AF_INET6: { + struct sockaddr_in6 *src_addr6 = (struct sockaddr_in6 *)src; + struct sockaddr_in6 *dst_addr6 = (struct sockaddr_in6 *)dst; + bool link_local; + + if (ipv6_addr_cmp(&src_addr6->sin6_addr, + &dst_addr6->sin6_addr)) + return 1; + link_local = ipv6_addr_type(&dst_addr6->sin6_addr) & + IPV6_ADDR_LINKLOCAL; + /* Link local must match their scope_ids */ + return link_local ? (src_addr6->sin6_scope_id != + dst_addr6->sin6_scope_id) : + 0; + } + default: return ib_addr_cmp(&((struct sockaddr_ib *) src)->sib_addr, &((struct sockaddr_ib *) dst)->sib_addr); diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index a68569ec86bf..3be6405d9855 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -458,6 +458,8 @@ static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp) skb_reset_transport_header(skb); } else { skb = alloc_skb(len, gfp); + if (!skb) + return NULL; } t4_set_arp_err_handler(skb, NULL, NULL); return skb; diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c index da786eb18558..368f4f08b686 100644 --- a/drivers/infiniband/hw/hfi1/init.c +++ b/drivers/infiniband/hw/hfi1/init.c @@ -798,7 +798,8 @@ static int create_workqueues(struct hfi1_devdata *dd) ppd->hfi1_wq = alloc_workqueue( "hfi%d_%d", - WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE, + WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE | + WQ_MEM_RECLAIM, HFI1_MAX_ACTIVE_WORKQUEUE_ENTRIES, dd->unit, pidx); if (!ppd->hfi1_wq) diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c index 0d96c5bb38cd..d2d4ab9ab071 100644 --- a/drivers/infiniband/hw/hns/hns_roce_ah.c +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c @@ -66,7 +66,7 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, HNS_ROCE_VLAN_SL_BIT_MASK) << HNS_ROCE_VLAN_SL_SHIFT; - ah->av.port_pd = cpu_to_be32(to_hr_pd(ibpd)->pdn | + ah->av.port_pd = cpu_to_le32(to_hr_pd(ibpd)->pdn | (rdma_ah_get_port_num(ah_attr) << HNS_ROCE_PORT_NUM_SHIFT)); ah->av.gid_index = grh->sgid_index; diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index 7a28232d868b..de85b3af3b39 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -327,10 +327,11 @@ static int bch_allocator_thread(void *arg) * possibly issue discards to them, then we add the bucket to * the free list: */ - while (!fifo_empty(&ca->free_inc)) { + while (1) { long bucket; - fifo_pop(&ca->free_inc, bucket); + if (!fifo_pop(&ca->free_inc, bucket)) + break; if (ca->discard) { mutex_unlock(&ca->set->bucket_lock); diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 772258ee1f51..f880e5eba8dd 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -317,6 +317,18 @@ void bch_journal_mark(struct cache_set *c, struct list_head *list) } } +bool is_discard_enabled(struct cache_set *s) +{ + struct cache *ca; + unsigned int i; + + for_each_cache(ca, s, i) + if (ca->discard) + return true; + + return false; +} + int bch_journal_replay(struct cache_set *s, struct list_head *list) { int ret = 0, keys = 0, entries = 0; @@ -330,9 +342,17 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list) list_for_each_entry(i, list, list) { BUG_ON(i->pin && atomic_read(i->pin) != 1); - cache_set_err_on(n != i->j.seq, s, -"bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)", - n, i->j.seq - 1, start, end); + if (n != i->j.seq) { + if (n == start && is_discard_enabled(s)) + pr_info("bcache: journal entries %llu-%llu may be discarded! (replaying %llu-%llu)", + n, i->j.seq - 1, start, end); + else { + pr_err("bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)", + n, i->j.seq - 1, start, end); + ret = -EIO; + goto err; + } + } for (k = i->j.start; k < bset_bkey_last(&i->j); diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 2c0d35c882ed..2409507d7bff 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1770,13 +1770,15 @@ err: return NULL; } -static void run_cache_set(struct cache_set *c) +static int run_cache_set(struct cache_set *c) { const char *err = "cannot allocate memory"; struct cached_dev *dc, *t; struct cache *ca; struct closure cl; unsigned int i; + LIST_HEAD(journal); + struct journal_replay *l; closure_init_stack(&cl); @@ -1864,7 +1866,9 @@ static void run_cache_set(struct cache_set *c) if (j->version < BCACHE_JSET_VERSION_UUID) __uuid_write(c); - bch_journal_replay(c, &journal); + err = "bcache: replay journal failed"; + if (bch_journal_replay(c, &journal)) + goto err; } else { pr_notice("invalidating existing data"); @@ -1932,11 +1936,19 @@ static void run_cache_set(struct cache_set *c) flash_devs_run(c); set_bit(CACHE_SET_RUNNING, &c->flags); - return; + return 0; err: + while (!list_empty(&journal)) { + l = list_first_entry(&journal, struct journal_replay, list); + list_del(&l->list); + kfree(l); + } + closure_sync(&cl); /* XXX: test this, it's broken */ bch_cache_set_error(c, "%s", err); + + return -EIO; } static bool can_attach_cache(struct cache *ca, struct cache_set *c) @@ -2000,8 +2012,11 @@ found: ca->set->cache[ca->sb.nr_this_dev] = ca; c->cache_by_alloc[c->caches_loaded++] = ca; - if (c->caches_loaded == c->sb.nr_in_set) - run_cache_set(c); + if (c->caches_loaded == c->sb.nr_in_set) { + err = "failed to run cache set"; + if (run_cache_set(c) < 0) + goto err; + } return NULL; err: diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index cb6588e66f2b..9c29c97ef9fd 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -654,6 +654,11 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, return -EBUSY; } + if (q->waiting_in_dqbuf && *count) { + dprintk(1, "another dup()ped fd is waiting for a buffer\n"); + return -EBUSY; + } + if (*count == 0 || q->num_buffers != 0 || (q->memory != VB2_MEMORY_UNKNOWN && q->memory != memory)) { mutex_lock(&q->mmap_lock); @@ -774,6 +779,10 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, } if (!q->num_buffers) { + if (q->waiting_in_dqbuf && *count) { + dprintk(1, "another dup()ped fd is waiting for a buffer\n"); + return -EBUSY; + } memset(q->alloc_devs, 0, sizeof(q->alloc_devs)); q->memory = memory; q->waiting_for_buffers = !q->is_output; @@ -1443,6 +1452,11 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking) for (;;) { int ret; + if (q->waiting_in_dqbuf) { + dprintk(1, "another dup()ped fd is waiting for a buffer\n"); + return -EBUSY; + } + if (!q->streaming) { dprintk(1, "streaming off, will not wait for buffers\n"); return -EINVAL; @@ -1470,6 +1484,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking) return -EAGAIN; } + q->waiting_in_dqbuf = 1; /* * We are streaming and blocking, wait for another buffer to * become ready or for streamoff. Driver's lock is released to @@ -1490,6 +1505,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking) * the locks or return an error if one occurred. */ call_void_qop(q, wait_finish, q); + q->waiting_in_dqbuf = 0; if (ret) { dprintk(1, "sleep was interrupted\n"); return ret; @@ -2353,6 +2369,12 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ if (!data) return -EINVAL; + if (q->waiting_in_dqbuf) { + dprintk(3, "another dup()ped fd is %s\n", + read ? "reading" : "writing"); + return -EBUSY; + } + /* * Initialize emulator on first call. */ diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index feacd8da421d..d55d8f169dca 100644 --- a/drivers/media/dvb-frontends/si2165.c +++ b/drivers/media/dvb-frontends/si2165.c @@ -275,18 +275,20 @@ static u32 si2165_get_fe_clk(struct si2165_state *state) static int si2165_wait_init_done(struct si2165_state *state) { - int ret = -EINVAL; + int ret; u8 val = 0; int i; for (i = 0; i < 3; ++i) { - si2165_readreg8(state, REG_INIT_DONE, &val); + ret = si2165_readreg8(state, REG_INIT_DONE, &val); + if (ret < 0) + return ret; if (val == 0x01) return 0; usleep_range(1000, 50000); } dev_err(&state->client->dev, "init_done was not set\n"); - return ret; + return -EINVAL; } static int si2165_upload_firmware_block(struct si2165_state *state, diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c index 4715edc8ca33..e6a8b5669b9c 100644 --- a/drivers/media/i2c/ov2659.c +++ b/drivers/media/i2c/ov2659.c @@ -1117,8 +1117,10 @@ static int ov2659_set_fmt(struct v4l2_subdev *sd, if (ov2659_formats[index].code == mf->code) break; - if (index < 0) - return -EINVAL; + if (index < 0) { + index = 0; + mf->code = ov2659_formats[index].code; + } mf->colorspace = V4L2_COLORSPACE_SRGB; mf->field = V4L2_FIELD_NONE; diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c index a9264d515e54..edded869d792 100644 --- a/drivers/media/i2c/ov6650.c +++ b/drivers/media/i2c/ov6650.c @@ -811,9 +811,16 @@ static int ov6650_video_probe(struct i2c_client *client) u8 pidh, pidl, midh, midl; int ret; + priv->clk = v4l2_clk_get(&client->dev, NULL); + if (IS_ERR(priv->clk)) { + ret = PTR_ERR(priv->clk); + dev_err(&client->dev, "v4l2_clk request err: %d\n", ret); + return ret; + } + ret = ov6650_s_power(&priv->subdev, 1); if (ret < 0) - return ret; + goto eclkput; msleep(20); @@ -850,6 +857,11 @@ static int ov6650_video_probe(struct i2c_client *client) done: ov6650_s_power(&priv->subdev, 0); + if (!ret) + return 0; +eclkput: + v4l2_clk_put(priv->clk); + return ret; } @@ -992,18 +1004,9 @@ static int ov6650_probe(struct i2c_client *client, priv->code = MEDIA_BUS_FMT_YUYV8_2X8; priv->colorspace = V4L2_COLORSPACE_JPEG; - priv->clk = v4l2_clk_get(&client->dev, NULL); - if (IS_ERR(priv->clk)) { - ret = PTR_ERR(priv->clk); - goto eclkget; - } - ret = ov6650_video_probe(client); - if (ret) { - v4l2_clk_put(priv->clk); -eclkget: + if (ret) v4l2_ctrl_handler_free(&priv->hdl); - } return ret; } diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c index 5817d9cde4d0..6d8e4afe9673 100644 --- a/drivers/media/pci/saa7146/hexium_gemini.c +++ b/drivers/media/pci/saa7146/hexium_gemini.c @@ -270,9 +270,8 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d /* enable i2c-port pins */ saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26)); - hexium->i2c_adapter = (struct i2c_adapter) { - .name = "hexium gemini", - }; + strscpy(hexium->i2c_adapter.name, "hexium gemini", + sizeof(hexium->i2c_adapter.name)); saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); if (i2c_add_adapter(&hexium->i2c_adapter) < 0) { DEB_S("cannot register i2c-device. skipping.\n"); diff --git a/drivers/media/pci/saa7146/hexium_orion.c b/drivers/media/pci/saa7146/hexium_orion.c index 0a05176c18ab..a794f9e5f990 100644 --- a/drivers/media/pci/saa7146/hexium_orion.c +++ b/drivers/media/pci/saa7146/hexium_orion.c @@ -231,9 +231,8 @@ static int hexium_probe(struct saa7146_dev *dev) saa7146_write(dev, DD1_STREAM_B, 0x00000000); saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); - hexium->i2c_adapter = (struct i2c_adapter) { - .name = "hexium orion", - }; + strscpy(hexium->i2c_adapter.name, "hexium orion", + sizeof(hexium->i2c_adapter.name)); saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); if (i2c_add_adapter(&hexium->i2c_adapter) < 0) { DEB_S("cannot register i2c-device. skipping.\n"); diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index d20d3df5778b..a3cfefdbee12 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -1999,6 +1999,9 @@ static int coda_prepare_decode(struct coda_ctx *ctx) /* Clear decode success flag */ coda_write(dev, 0, CODA_RET_DEC_PIC_SUCCESS); + /* Clear error return value */ + coda_write(dev, 0, CODA_RET_DEC_PIC_ERR_MB); + trace_coda_dec_pic_run(ctx, meta); coda_command_async(ctx, CODA_COMMAND_PIC_RUN); diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c index 721564176d8c..d38682265892 100644 --- a/drivers/media/platform/stm32/stm32-dcmi.c +++ b/drivers/media/platform/stm32/stm32-dcmi.c @@ -808,6 +808,9 @@ static int dcmi_try_fmt(struct stm32_dcmi *dcmi, struct v4l2_format *f, sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat); if (!sd_fmt) { + if (!dcmi->num_of_sd_formats) + return -ENODATA; + sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1]; pix->pixelformat = sd_fmt->fourcc; } @@ -986,6 +989,9 @@ static int dcmi_set_sensor_format(struct stm32_dcmi *dcmi, sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat); if (!sd_fmt) { + if (!dcmi->num_of_sd_formats) + return -ENODATA; + sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1]; pix->pixelformat = sd_fmt->fourcc; } @@ -1645,7 +1651,7 @@ static int dcmi_probe(struct platform_device *pdev) dcmi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); if (IS_ERR(dcmi->rstc)) { dev_err(&pdev->dev, "Could not get reset control\n"); - return -ENODEV; + return PTR_ERR(dcmi->rstc); } /* Get bus characteristics from devicetree */ @@ -1660,7 +1666,7 @@ static int dcmi_probe(struct platform_device *pdev) of_node_put(np); if (ret) { dev_err(&pdev->dev, "Could not parse the endpoint\n"); - return -ENODEV; + return ret; } if (ep.bus_type == V4L2_MBUS_CSI2) { @@ -1673,8 +1679,9 @@ static int dcmi_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq <= 0) { - dev_err(&pdev->dev, "Could not get irq\n"); - return -ENODEV; + if (irq != -EPROBE_DEFER) + dev_err(&pdev->dev, "Could not get irq\n"); + return irq; } dcmi->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1694,12 +1701,13 @@ static int dcmi_probe(struct platform_device *pdev) dev_name(&pdev->dev), dcmi); if (ret) { dev_err(&pdev->dev, "Unable to request irq %d\n", irq); - return -ENODEV; + return ret; } mclk = devm_clk_get(&pdev->dev, "mclk"); if (IS_ERR(mclk)) { - dev_err(&pdev->dev, "Unable to get mclk\n"); + if (PTR_ERR(mclk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Unable to get mclk\n"); return PTR_ERR(mclk); } diff --git a/drivers/media/platform/video-mux.c b/drivers/media/platform/video-mux.c index c01e1592ad0a..c8ffe7bff77f 100644 --- a/drivers/media/platform/video-mux.c +++ b/drivers/media/platform/video-mux.c @@ -365,9 +365,14 @@ static int video_mux_probe(struct platform_device *pdev) vmux->active = -1; vmux->pads = devm_kcalloc(dev, num_pads, sizeof(*vmux->pads), GFP_KERNEL); + if (!vmux->pads) + return -ENOMEM; + vmux->format_mbus = devm_kcalloc(dev, num_pads, sizeof(*vmux->format_mbus), GFP_KERNEL); + if (!vmux->format_mbus) + return -ENOMEM; for (i = 0; i < num_pads; i++) { vmux->pads[i].flags = (i < num_pads - 1) ? MEDIA_PAD_FL_SINK diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c index 9246f265de31..27db8835c241 100644 --- a/drivers/media/platform/vimc/vimc-core.c +++ b/drivers/media/platform/vimc/vimc-core.c @@ -303,6 +303,8 @@ static int vimc_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "probe"); + memset(&vimc->mdev, 0, sizeof(vimc->mdev)); + /* Create platform_device for each entity in the topology*/ vimc->subdevs = devm_kcalloc(&vimc->pdev.dev, vimc->pipe_cfg->num_ents, sizeof(*vimc->subdevs), GFP_KERNEL); diff --git a/drivers/media/platform/vimc/vimc-streamer.c b/drivers/media/platform/vimc/vimc-streamer.c index fcc897fb247b..392754c18046 100644 --- a/drivers/media/platform/vimc/vimc-streamer.c +++ b/drivers/media/platform/vimc/vimc-streamer.c @@ -120,7 +120,6 @@ static int vimc_streamer_thread(void *data) int i; set_freezable(); - set_current_state(TASK_UNINTERRUPTIBLE); for (;;) { try_to_freeze(); @@ -137,6 +136,7 @@ static int vimc_streamer_thread(void *data) break; } //wait for 60hz + set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(HZ / 60); } diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index baa7c83ee6e0..3b09ffceefd5 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -992,7 +992,7 @@ int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection v4l2_rect_map_inside(&s->r, &dev->fmt_cap_rect); if (dev->bitmap_cap && (compose->width != s->r.width || compose->height != s->r.height)) { - kfree(dev->bitmap_cap); + vfree(dev->bitmap_cap); dev->bitmap_cap = NULL; } *compose = s->r; diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c index 800d69c3f80b..1cf4019689a5 100644 --- a/drivers/media/radio/wl128x/fmdrv_common.c +++ b/drivers/media/radio/wl128x/fmdrv_common.c @@ -489,7 +489,8 @@ int fmc_send_cmd(struct fmdev *fmdev, u8 fm_op, u16 type, void *payload, return -EIO; } /* Send response data to caller */ - if (response != NULL && response_len != NULL && evt_hdr->dlen) { + if (response != NULL && response_len != NULL && evt_hdr->dlen && + evt_hdr->dlen <= payload_len) { /* Skip header info and copy only response data */ skb_pull(skb, sizeof(struct fm_event_msg_hdr)); memcpy(response, skb->data, evt_hdr->dlen); @@ -583,6 +584,8 @@ static void fm_irq_handle_flag_getcmd_resp(struct fmdev *fmdev) return; fm_evt_hdr = (void *)skb->data; + if (fm_evt_hdr->dlen > sizeof(fmdev->irq_info.flag)) + return; /* Skip header info and copy only response data */ skb_pull(skb, sizeof(struct fm_event_msg_hdr)); @@ -1308,7 +1311,7 @@ static int load_default_rx_configuration(struct fmdev *fmdev) static int fm_power_up(struct fmdev *fmdev, u8 mode) { u16 payload; - __be16 asic_id, asic_ver; + __be16 asic_id = 0, asic_ver = 0; int resp_len, ret; u8 fw_name[50]; diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c index 8bf5637b3a69..e613c0175591 100644 --- a/drivers/media/rc/serial_ir.c +++ b/drivers/media/rc/serial_ir.c @@ -773,8 +773,6 @@ static void serial_ir_exit(void) static int __init serial_ir_init_module(void) { - int result; - switch (type) { case IR_HOMEBREW: case IR_IRDEO: @@ -802,12 +800,7 @@ static int __init serial_ir_init_module(void) if (sense != -1) sense = !!sense; - result = serial_ir_init(); - if (!result) - return 0; - - serial_ir_exit(); - return result; + return serial_ir_init(); } static void __exit serial_ir_exit_module(void) diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 62b45062b1e6..3e111f7f56df 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -758,6 +758,9 @@ static int au0828_analog_stream_enable(struct au0828_dev *d) dprintk(1, "au0828_analog_stream_enable called\n"); + if (test_bit(DEV_DISCONNECTED, &d->dev_state)) + return -ENODEV; + iface = usb_ifnum_to_if(d->usbdev, 0); if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) { dprintk(1, "Changing intf#0 to alt 5\n"); @@ -839,9 +842,9 @@ int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count) return rc; } + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); + if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - v4l2_device_call_all(&dev->v4l2_dev, 0, video, - s_stream, 1); dev->vid_timeout_running = 1; mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); } else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) { @@ -861,10 +864,11 @@ static void au0828_stop_streaming(struct vb2_queue *vq) dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users); - if (dev->streaming_users-- == 1) + if (dev->streaming_users-- == 1) { au0828_uninit_isoc(dev); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); + } - v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); dev->vid_timeout_running = 0; del_timer_sync(&dev->vid_timeout); @@ -893,8 +897,10 @@ void au0828_stop_vbi_streaming(struct vb2_queue *vq) dprintk(1, "au0828_stop_vbi_streaming called %d\n", dev->streaming_users); - if (dev->streaming_users-- == 1) + if (dev->streaming_users-- == 1) { au0828_uninit_isoc(dev); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); + } spin_lock_irqsave(&dev->slock, flags); if (dev->isoc_ctl.vbi_buf != NULL) { diff --git a/drivers/media/usb/cpia2/cpia2_v4l.c b/drivers/media/usb/cpia2/cpia2_v4l.c index 99f106b13280..d47318958fe5 100644 --- a/drivers/media/usb/cpia2/cpia2_v4l.c +++ b/drivers/media/usb/cpia2/cpia2_v4l.c @@ -1244,8 +1244,7 @@ static int __init cpia2_init(void) LOG("%s v%s\n", ABOUT, CPIA_VERSION); check_parameters(); - cpia2_usb_init(); - return 0; + return cpia2_usb_init(); } diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c index e28bd8836751..ae0814dd202a 100644 --- a/drivers/media/usb/dvb-usb-v2/dvbsky.c +++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c @@ -615,16 +615,18 @@ static int dvbsky_init(struct dvb_usb_device *d) return 0; } -static void dvbsky_exit(struct dvb_usb_device *d) +static int dvbsky_frontend_detach(struct dvb_usb_adapter *adap) { + struct dvb_usb_device *d = adap_to_d(adap); struct dvbsky_state *state = d_to_priv(d); - struct dvb_usb_adapter *adap = &d->adapter[0]; + + dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); dvb_module_release(state->i2c_client_tuner); dvb_module_release(state->i2c_client_demod); dvb_module_release(state->i2c_client_ci); - adap->fe[0] = NULL; + return 0; } /* DVB USB Driver stuff */ @@ -640,11 +642,11 @@ static struct dvb_usb_device_properties dvbsky_s960_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_s960_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -667,11 +669,11 @@ static struct dvb_usb_device_properties dvbsky_s960c_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_s960c_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -694,11 +696,11 @@ static struct dvb_usb_device_properties dvbsky_t680c_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_t680c_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -721,11 +723,11 @@ static struct dvb_usb_device_properties dvbsky_t330_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_t330_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -748,11 +750,11 @@ static struct dvb_usb_device_properties mygica_t230c_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_mygica_t230c_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .num_adapters = 1, .adapter = { diff --git a/drivers/media/usb/go7007/go7007-fw.c b/drivers/media/usb/go7007/go7007-fw.c index 24f5b615dc7a..dfa9f899d0c2 100644 --- a/drivers/media/usb/go7007/go7007-fw.c +++ b/drivers/media/usb/go7007/go7007-fw.c @@ -1499,8 +1499,8 @@ static int modet_to_package(struct go7007 *go, __le16 *code, int space) return cnt; } -static int do_special(struct go7007 *go, u16 type, __le16 *code, int space, - int *framelen) +static noinline_for_stack int do_special(struct go7007 *go, u16 type, + __le16 *code, int space, int *framelen) { switch (type) { case SPECIAL_FRM_HEAD: diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index 405a6a76d820..b12356c533a6 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -294,7 +294,7 @@ static void fill_frame(struct gspca_dev *gspca_dev, /* check the packet status and length */ st = urb->iso_frame_desc[i].status; if (st) { - pr_err("ISOC data error: [%d] len=%d, status=%d\n", + gspca_dbg(gspca_dev, D_PACK, "ISOC data error: [%d] len=%d, status=%d\n", i, len, st); gspca_dev->last_packet_type = DISCARD_PACKET; continue; @@ -314,6 +314,8 @@ static void fill_frame(struct gspca_dev *gspca_dev, } resubmit: + if (!gspca_dev->streaming) + return; /* resubmit the URB */ st = usb_submit_urb(urb, GFP_ATOMIC); if (st < 0) @@ -330,7 +332,7 @@ static void isoc_irq(struct urb *urb) struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context; gspca_dbg(gspca_dev, D_PACK, "isoc irq\n"); - if (!vb2_start_streaming_called(&gspca_dev->queue)) + if (!gspca_dev->streaming) return; fill_frame(gspca_dev, urb); } @@ -344,7 +346,7 @@ static void bulk_irq(struct urb *urb) int st; gspca_dbg(gspca_dev, D_PACK, "bulk irq\n"); - if (!vb2_start_streaming_called(&gspca_dev->queue)) + if (!gspca_dev->streaming) return; switch (urb->status) { case 0: @@ -367,6 +369,8 @@ static void bulk_irq(struct urb *urb) urb->actual_length); resubmit: + if (!gspca_dev->streaming) + return; /* resubmit the URB */ if (gspca_dev->cam.bulk_nurbs != 0) { st = usb_submit_urb(urb, GFP_ATOMIC); @@ -1630,6 +1634,8 @@ void gspca_disconnect(struct usb_interface *intf) mutex_lock(&gspca_dev->usb_lock); gspca_dev->present = false; + destroy_urbs(gspca_dev); + gspca_input_destroy_urb(gspca_dev); vb2_queue_error(&gspca_dev->queue); diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index a8519da0020b..673fdca8d2da 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -666,6 +666,8 @@ static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp) static int ctrl_check_input(struct pvr2_ctrl *cptr,int v) { + if (v < 0 || v > PVR2_CVAL_INPUT_MAX) + return 0; return ((1 << v) & cptr->hdw->input_allowed_mask) != 0; } diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.h b/drivers/media/usb/pvrusb2/pvrusb2-hdw.h index 25648add77e5..bd2b7a67b732 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.h +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.h @@ -50,6 +50,7 @@ #define PVR2_CVAL_INPUT_COMPOSITE 2 #define PVR2_CVAL_INPUT_SVIDEO 3 #define PVR2_CVAL_INPUT_RADIO 4 +#define PVR2_CVAL_INPUT_MAX PVR2_CVAL_INPUT_RADIO enum pvr2_config { pvr2_config_empty, /* No configuration */ diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c index be3634407f1f..3071d9bc77f4 100644 --- a/drivers/media/usb/siano/smsusb.c +++ b/drivers/media/usb/siano/smsusb.c @@ -401,6 +401,7 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) struct smsusb_device_t *dev; void *mdev; int i, rc; + int align = 0; /* create device object */ dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL); @@ -412,6 +413,24 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) dev->udev = interface_to_usbdev(intf); dev->state = SMSUSB_DISCONNECTED; + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { + struct usb_endpoint_descriptor *desc = + &intf->cur_altsetting->endpoint[i].desc; + + if (desc->bEndpointAddress & USB_DIR_IN) { + dev->in_ep = desc->bEndpointAddress; + align = usb_endpoint_maxp(desc) - sizeof(struct sms_msg_hdr); + } else { + dev->out_ep = desc->bEndpointAddress; + } + } + + pr_debug("in_ep = %02x, out_ep = %02x\n", dev->in_ep, dev->out_ep); + if (!dev->in_ep || !dev->out_ep || align < 0) { /* Missing endpoints? */ + smsusb_term_device(intf); + return -ENODEV; + } + params.device_type = sms_get_board(board_id)->type; switch (params.device_type) { @@ -426,24 +445,12 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) /* fall-thru */ default: dev->buffer_size = USB2_BUFFER_SIZE; - dev->response_alignment = - le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) - - sizeof(struct sms_msg_hdr); + dev->response_alignment = align; params.flags |= SMS_DEVICE_FAMILY2; break; } - for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { - if (intf->cur_altsetting->endpoint[i].desc. bEndpointAddress & USB_DIR_IN) - dev->in_ep = intf->cur_altsetting->endpoint[i].desc.bEndpointAddress; - else - dev->out_ep = intf->cur_altsetting->endpoint[i].desc.bEndpointAddress; - } - - pr_debug("in_ep = %02x, out_ep = %02x\n", - dev->in_ep, dev->out_ep); - params.device = &dev->udev->dev; params.usb_device = dev->udev; params.buffer_size = dev->buffer_size; diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 6f1fd40fce10..c3ddbf6c202a 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -914,7 +914,7 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id, unsigned int size; unsigned int i; - extra_size = ALIGN(extra_size, sizeof(*entity->pads)); + extra_size = roundup(extra_size, sizeof(*entity->pads)); num_inputs = (type & UVC_TERM_OUTPUT) ? num_pads : num_pads - 1; size = sizeof(*entity) + extra_size + sizeof(*entity->pads) * num_pads + num_inputs; diff --git a/drivers/mmc/core/pwrseq_emmc.c b/drivers/mmc/core/pwrseq_emmc.c index efb8a7965dd4..154f4204d58c 100644 --- a/drivers/mmc/core/pwrseq_emmc.c +++ b/drivers/mmc/core/pwrseq_emmc.c @@ -30,19 +30,14 @@ struct mmc_pwrseq_emmc { #define to_pwrseq_emmc(p) container_of(p, struct mmc_pwrseq_emmc, pwrseq) -static void __mmc_pwrseq_emmc_reset(struct mmc_pwrseq_emmc *pwrseq) -{ - gpiod_set_value(pwrseq->reset_gpio, 1); - udelay(1); - gpiod_set_value(pwrseq->reset_gpio, 0); - udelay(200); -} - static void mmc_pwrseq_emmc_reset(struct mmc_host *host) { struct mmc_pwrseq_emmc *pwrseq = to_pwrseq_emmc(host->pwrseq); - __mmc_pwrseq_emmc_reset(pwrseq); + gpiod_set_value_cansleep(pwrseq->reset_gpio, 1); + udelay(1); + gpiod_set_value_cansleep(pwrseq->reset_gpio, 0); + udelay(200); } static int mmc_pwrseq_emmc_reset_nb(struct notifier_block *this, @@ -50,8 +45,11 @@ static int mmc_pwrseq_emmc_reset_nb(struct notifier_block *this, { struct mmc_pwrseq_emmc *pwrseq = container_of(this, struct mmc_pwrseq_emmc, reset_nb); + gpiod_set_value(pwrseq->reset_gpio, 1); + udelay(1); + gpiod_set_value(pwrseq->reset_gpio, 0); + udelay(200); - __mmc_pwrseq_emmc_reset(pwrseq); return NOTIFY_DONE; } @@ -72,14 +70,18 @@ static int mmc_pwrseq_emmc_probe(struct platform_device *pdev) if (IS_ERR(pwrseq->reset_gpio)) return PTR_ERR(pwrseq->reset_gpio); - /* - * register reset handler to ensure emmc reset also from - * emergency_reboot(), priority 255 is the highest priority - * so it will be executed before any system reboot handler. - */ - pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb; - pwrseq->reset_nb.priority = 255; - register_restart_handler(&pwrseq->reset_nb); + if (!gpiod_cansleep(pwrseq->reset_gpio)) { + /* + * register reset handler to ensure emmc reset also from + * emergency_reboot(), priority 255 is the highest priority + * so it will be executed before any system reboot handler. + */ + pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb; + pwrseq->reset_nb.priority = 255; + register_restart_handler(&pwrseq->reset_nb); + } else { + dev_notice(dev, "EMMC reset pin tied to a sleepy GPIO driver; reset on emergency-reboot disabled\n"); + } pwrseq->pwrseq.ops = &mmc_pwrseq_emmc_ops; pwrseq->pwrseq.dev = dev; diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index d0d9f90e7cdf..cfb8ee24eaba 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -216,6 +216,14 @@ static int mmc_decode_scr(struct mmc_card *card) if (scr->sda_spec3) scr->cmds = UNSTUFF_BITS(resp, 32, 2); + + /* SD Spec says: any SD Card shall set at least bits 0 and 2 */ + if (!(scr->bus_widths & SD_SCR_BUS_WIDTH_1) || + !(scr->bus_widths & SD_SCR_BUS_WIDTH_4)) { + pr_err("%s: invalid bus width\n", mmc_hostname(card->host)); + return -EINVAL; + } + return 0; } diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 67f6bd24a9d0..ea254d00541f 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t, } status = spi_sync_locked(spi, &host->m); + if (status < 0) { + dev_dbg(&spi->dev, "read error %d\n", status); + return status; + } if (host->dma_dev) { dma_sync_single_for_cpu(host->dma_dev, diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index 94eeed2a1b53..f903ab96aa21 100644 --- a/drivers/mmc/host/sdhci-iproc.c +++ b/drivers/mmc/host/sdhci-iproc.c @@ -185,7 +185,8 @@ static const struct sdhci_ops sdhci_iproc_32only_ops = { }; static const struct sdhci_pltfm_data sdhci_iproc_cygnus_pltfm_data = { - .quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK, + .quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | + SDHCI_QUIRK_NO_HISPD_BIT, .quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN | SDHCI_QUIRK2_HOST_OFF_CARD_ON, .ops = &sdhci_iproc_32only_ops, }; @@ -208,7 +209,8 @@ static const struct sdhci_iproc_data iproc_cygnus_data = { static const struct sdhci_pltfm_data sdhci_iproc_pltfm_data = { .quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | - SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12, + SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 | + SDHCI_QUIRK_NO_HISPD_BIT, .quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN, .ops = &sdhci_iproc_ops, }; diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index a7bf8515116f..e5c598ae5f24 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -643,6 +643,9 @@ static void esdhc_reset(struct sdhci_host *host, u8 mask) sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) + mdelay(5); + if (mask & SDHCI_RESET_ALL) { val = sdhci_readl(host, ESDHC_TBCTL); val &= ~ESDHC_TB_EN; @@ -917,6 +920,11 @@ static int sdhci_esdhc_probe(struct platform_device *pdev) if (esdhc->vendor_ver > VENDOR_V_22) host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ; + if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) { + host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST; + host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; + } + if (of_device_is_compatible(np, "fsl,p5040-esdhc") || of_device_is_compatible(np, "fsl,p5020-esdhc") || of_device_is_compatible(np, "fsl,p4080-esdhc") || diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 091b454e83fc..039beb5e0fa2 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3107,13 +3107,18 @@ static int bond_slave_netdev_event(unsigned long event, case NETDEV_CHANGE: /* For 802.3ad mode only: * Getting invalid Speed/Duplex values here will put slave - * in weird state. So mark it as link-fail for the time - * being and let link-monitoring (miimon) set it right when - * correct speeds/duplex are available. + * in weird state. Mark it as link-fail if the link was + * previously up or link-down if it hasn't yet come up, and + * let link-monitoring (miimon) set it right when correct + * speeds/duplex are available. */ if (bond_update_speed_duplex(slave) && - BOND_MODE(bond) == BOND_MODE_8023AD) - slave->link = BOND_LINK_FAIL; + BOND_MODE(bond) == BOND_MODE_8023AD) { + if (slave->last_link_up) + slave->link = BOND_LINK_FAIL; + else + slave->link = BOND_LINK_DOWN; + } if (BOND_MODE(bond) == BOND_MODE_8023AD) bond_3ad_adapter_speed_duplex_changed(slave); diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 2caa5c0c2bc4..dfaad1c2c2b8 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -877,7 +877,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip, err = mv88e6xxx_port_read(chip, port, s->reg + 1, ®); if (err) return U64_MAX; - high = reg; + low |= ((u32)reg) << 16; } break; case STATS_TYPE_BANK1: diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 1b5f591cf0a2..b5d72815776c 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -2223,7 +2223,7 @@ static void ena_config_host_info(struct ena_com_dev *ena_dev) host_info->os_type = ENA_ADMIN_OS_LINUX; host_info->kernel_ver = LINUX_VERSION_CODE; - strncpy(host_info->kernel_ver_str, utsname()->version, + strlcpy(host_info->kernel_ver_str, utsname()->version, sizeof(host_info->kernel_ver_str) - 1); host_info->os_dist = 0; strncpy(host_info->os_dist_str, utsname()->release, diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index de46331aefc1..c54a74de7b08 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1599,6 +1599,8 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons, skb = bnxt_copy_skb(bnapi, data_ptr, len, dma_addr); bnxt_reuse_rx_data(rxr, cons, data); if (!skb) { + if (agg_bufs) + bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs); rc = -ENOMEM; goto next_rx; } diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h index c2fd323c4078..ea75f275023f 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h +++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h @@ -75,8 +75,8 @@ struct l2t_data { struct l2t_entry *rover; /* starting point for next allocation */ atomic_t nfree; /* number of free entries */ rwlock_t lock; - struct l2t_entry l2tab[0]; struct rcu_head rcu_head; /* to handle rcu cleanup */ + struct l2t_entry l2tab[]; }; typedef void (*arp_failure_handler_func)(struct t3cdev * dev, diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 961e3087d1d3..bb04c695ab9f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -6010,15 +6010,24 @@ static int __init cxgb4_init_module(void) ret = pci_register_driver(&cxgb4_driver); if (ret < 0) - debugfs_remove(cxgb4_debugfs_root); + goto err_pci; #if IS_ENABLED(CONFIG_IPV6) if (!inet6addr_registered) { - register_inet6addr_notifier(&cxgb4_inet6addr_notifier); - inet6addr_registered = true; + ret = register_inet6addr_notifier(&cxgb4_inet6addr_notifier); + if (ret) + pci_unregister_driver(&cxgb4_driver); + else + inet6addr_registered = true; } #endif + if (ret == 0) + return ret; + +err_pci: + debugfs_remove(cxgb4_debugfs_root); + return ret; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index c116f96956fe..f2aba5b160c2 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -228,6 +228,9 @@ static void cxgb4_process_flow_match(struct net_device *dev, fs->val.ivlan = vlan_tci; fs->mask.ivlan = vlan_tci_mask; + fs->val.ivlan_vld = 1; + fs->mask.ivlan_vld = 1; + /* Chelsio adapters use ivlan_vld bit to match vlan packets * as 802.1Q. Also, when vlan tag is present in packets, * ethtype match is used then to match on ethtype of inner @@ -238,8 +241,6 @@ static void cxgb4_process_flow_match(struct net_device *dev, * ethtype value with ethtype of inner header. */ if (fs->val.ethtype == ETH_P_8021Q) { - fs->val.ivlan_vld = 1; - fs->mask.ivlan_vld = 1; fs->val.ethtype = 0; fs->mask.ethtype = 0; } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index ad41ace0a27a..bf715a367273 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3571,7 +3571,7 @@ failed_init: if (fep->reg_phy) regulator_disable(fep->reg_phy); failed_reset: - pm_runtime_put(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); failed_regulator: clk_disable_unprepare(fep->clk_ahb); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 8b11682ebba2..8cd339c92c1a 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -7329,7 +7329,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); - if (pci_dev_run_wake(pdev)) + if (pci_dev_run_wake(pdev) && hw->mac.type < e1000_pch_cnp) pm_runtime_put_noidle(&pdev->dev); return 0; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index f81ad0aa8b09..df8808cd7e11 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -2654,6 +2654,10 @@ void i40e_vlan_stripping_enable(struct i40e_vsi *vsi) struct i40e_vsi_context ctxt; i40e_status ret; + /* Don't modify stripping options if a port VLAN is active */ + if (vsi->info.pvid) + return; + if ((vsi->info.valid_sections & cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) && ((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_MODE_MASK) == 0)) @@ -2684,6 +2688,10 @@ void i40e_vlan_stripping_disable(struct i40e_vsi *vsi) struct i40e_vsi_context ctxt; i40e_status ret; + /* Don't modify stripping options if a port VLAN is active */ + if (vsi->info.pvid) + return; + if ((vsi->info.valid_sections & cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) && ((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_EMOD_MASK) == diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index c6d24eaede18..d86f3fa7aa6a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2399,8 +2399,10 @@ error_param: (u8 *)&stats, sizeof(stats)); } -/* If the VF is not trusted restrict the number of MAC/VLAN it can program */ -#define I40E_VC_MAX_MAC_ADDR_PER_VF 12 +/* If the VF is not trusted restrict the number of MAC/VLAN it can program + * MAC filters: 16 for multicast, 1 for MAC, 1 for broadcast + */ +#define I40E_VC_MAX_MAC_ADDR_PER_VF (16 + 1 + 1) #define I40E_VC_MAX_VLAN_PER_VF 8 /** diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index aa39a068858e..5aa083d9a6c9 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3468,6 +3468,9 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) break; } } + + dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); + pm_runtime_put_noidle(&pdev->dev); return 0; diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 2ba0d89aaf3c..28762314353f 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -4611,7 +4611,7 @@ static int mvneta_probe(struct platform_device *pdev) err = register_netdev(dev); if (err < 0) { dev_err(&pdev->dev, "failed to register\n"); - goto err_free_stats; + goto err_netdev; } netdev_info(dev, "Using %s mac address %pM\n", mac_from, @@ -4622,14 +4622,12 @@ static int mvneta_probe(struct platform_device *pdev) return 0; err_netdev: - unregister_netdev(dev); if (pp->bm_priv) { mvneta_bm_pool_destroy(pp->bm_priv, pp->pool_long, 1 << pp->id); mvneta_bm_pool_destroy(pp->bm_priv, pp->pool_short, 1 << pp->id); mvneta_bm_put(pp->bm_priv); } -err_free_stats: free_percpu(pp->stats); err_free_ports: free_percpu(pp->ports); diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 9b10abb604cb..59212d3d9587 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -1404,7 +1404,7 @@ static inline void mvpp2_xlg_max_rx_size_set(struct mvpp2_port *port) /* Set defaults to the MVPP2 port */ static void mvpp2_defaults_set(struct mvpp2_port *port) { - int tx_port_num, val, queue, ptxq, lrxq; + int tx_port_num, val, queue, lrxq; if (port->priv->hw_version == MVPP21) { /* Update TX FIFO MIN Threshold */ @@ -1422,11 +1422,9 @@ static void mvpp2_defaults_set(struct mvpp2_port *port) mvpp2_write(port->priv, MVPP2_TXP_SCHED_CMD_1_REG, 0); /* Close bandwidth for all queues */ - for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) { - ptxq = mvpp2_txq_phys(port->id, queue); + for (queue = 0; queue < MVPP2_MAX_TXQ; queue++) mvpp2_write(port->priv, - MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(ptxq), 0); - } + MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(queue), 0); /* Set refill period to 1 usec, refill tokens * and bucket size to maximum @@ -2271,7 +2269,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port, txq->descs_dma = 0; /* Set minimum bandwidth for disabled TXQs */ - mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0); + mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->log_id), 0); /* Set Tx descriptors queue starting address and size */ cpu = get_cpu(); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index b190c447aeb0..0f1c296c3ce4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3734,6 +3734,12 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev, netdev_warn(netdev, "Disabling LRO, not supported in legacy RQ\n"); } + if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) { + features &= ~NETIF_F_RXHASH; + if (netdev->features & NETIF_F_RXHASH) + netdev_warn(netdev, "Disabling rxhash, not supported when CQE compress is active\n"); + } + mutex_unlock(&priv->state_lock); return features; @@ -3860,6 +3866,9 @@ int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr) memcpy(&priv->tstamp, &config, sizeof(config)); mutex_unlock(&priv->state_lock); + /* might need to fix some features */ + netdev_update_features(priv->netdev); + return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? -EFAULT : 0; } @@ -4702,6 +4711,10 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) if (!priv->channels.params.scatter_fcs_en) netdev->features &= ~NETIF_F_RXFCS; + /* prefere CQE compression over rxhash */ + if (MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS)) + netdev->features &= ~NETIF_F_RXHASH; + #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) if (FT_CAP(flow_modify_en) && FT_CAP(modify_root) && diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index d181645fd968..c079f85593d6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -2220,7 +2220,7 @@ static struct mlx5_flow_root_namespace cmds = mlx5_fs_cmd_get_default_ipsec_fpga_cmds(table_type); /* Create the root namespace */ - root_ns = kvzalloc(sizeof(*root_ns), GFP_KERNEL); + root_ns = kzalloc(sizeof(*root_ns), GFP_KERNEL); if (!root_ns) return NULL; @@ -2363,6 +2363,7 @@ static void cleanup_egress_acls_root_ns(struct mlx5_core_dev *dev) cleanup_root_ns(steering->esw_egress_root_ns[i]); kfree(steering->esw_egress_root_ns); + steering->esw_egress_root_ns = NULL; } static void cleanup_ingress_acls_root_ns(struct mlx5_core_dev *dev) @@ -2377,6 +2378,7 @@ static void cleanup_ingress_acls_root_ns(struct mlx5_core_dev *dev) cleanup_root_ns(steering->esw_ingress_root_ns[i]); kfree(steering->esw_ingress_root_ns); + steering->esw_ingress_root_ns = NULL; } void mlx5_cleanup_fs(struct mlx5_core_dev *dev) @@ -2505,6 +2507,7 @@ cleanup_root_ns: for (i--; i >= 0; i--) cleanup_root_ns(steering->esw_egress_root_ns[i]); kfree(steering->esw_egress_root_ns); + steering->esw_egress_root_ns = NULL; return err; } @@ -2532,6 +2535,7 @@ cleanup_root_ns: for (i--; i >= 0; i--) cleanup_root_ns(steering->esw_ingress_root_ns[i]); kfree(steering->esw_ingress_root_ns); + steering->esw_ingress_root_ns = NULL; return err; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 5debe93ea4eb..50c00822b2d8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2195,6 +2195,10 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv) if (priv->plat->axi) stmmac_axi(priv, priv->ioaddr, priv->plat->axi); + /* DMA CSR Channel configuration */ + for (chan = 0; chan < dma_csr_ch; chan++) + stmmac_init_chan(priv, priv->ioaddr, priv->plat->dma_cfg, chan); + /* DMA RX Channel Configuration */ for (chan = 0; chan < rx_channels_count; chan++) { rx_q = &priv->rx_queue[chan]; @@ -2220,10 +2224,6 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv) tx_q->tx_tail_addr, chan); } - /* DMA CSR Channel configuration */ - for (chan = 0; chan < dma_csr_ch; chan++) - stmmac_init_chan(priv, priv->ioaddr, priv->plat->dma_cfg, chan); - return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index bdd351597b55..093a223fe408 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -267,7 +267,8 @@ int stmmac_mdio_reset(struct mii_bus *bus) of_property_read_u32_array(np, "snps,reset-delays-us", data->delays, 3); - if (gpio_request(data->reset_gpio, "mdio-reset")) + if (devm_gpio_request(priv->device, data->reset_gpio, + "mdio-reset")) return 0; } diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index fb12b63439c6..35413041dcf8 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -872,12 +872,6 @@ static inline int netvsc_send_pkt( } else if (ret == -EAGAIN) { netif_tx_stop_queue(txq); ndev_ctx->eth_stats.stop_queue++; - if (atomic_read(&nvchan->queue_sends) < 1 && - !net_device->tx_disable) { - netif_tx_wake_queue(txq); - ndev_ctx->eth_stats.wake_queue++; - ret = -ENOSPC; - } } else { netdev_err(ndev, "Unable to send packet pages %u len %u, ret %d\n", @@ -885,6 +879,15 @@ static inline int netvsc_send_pkt( ret); } + if (netif_tx_queue_stopped(txq) && + atomic_read(&nvchan->queue_sends) < 1 && + !net_device->tx_disable) { + netif_tx_wake_queue(txq); + ndev_ctx->eth_stats.wake_queue++; + if (ret == -EAGAIN) + ret = -ENOSPC; + } + return ret; } diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index f77a2d9e7f9d..456a1f882b09 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -27,6 +27,9 @@ #include <linux/phy.h> enum { + MV_PMA_BOOT = 0xc050, + MV_PMA_BOOT_FATAL = BIT(0), + MV_PCS_BASE_T = 0x0000, MV_PCS_BASE_R = 0x1000, MV_PCS_1000BASEX = 0x2000, @@ -226,6 +229,16 @@ static int mv3310_probe(struct phy_device *phydev) (phydev->c45_ids.devices_in_package & mmd_mask) != mmd_mask) return -ENODEV; + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_BOOT); + if (ret < 0) + return ret; + + if (ret & MV_PMA_BOOT_FATAL) { + dev_warn(&phydev->mdio.dev, + "PHY failed to boot firmware, status=%04x\n", ret); + return -ENODEV; + } + priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 366217263d70..d9a6699abe59 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -63,6 +63,7 @@ enum qmi_wwan_flags { enum qmi_wwan_quirks { QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ + QMI_WWAN_QUIRK_QUECTEL_DYNCFG = 1 << 1, /* check num. endpoints */ }; struct qmimux_hdr { @@ -845,6 +846,16 @@ static const struct driver_info qmi_wwan_info_quirk_dtr = { .data = QMI_WWAN_QUIRK_DTR, }; +static const struct driver_info qmi_wwan_info_quirk_quectel_dyncfg = { + .description = "WWAN/QMI device", + .flags = FLAG_WWAN | FLAG_SEND_ZLP, + .bind = qmi_wwan_bind, + .unbind = qmi_wwan_unbind, + .manage_power = qmi_wwan_manage_power, + .rx_fixup = qmi_wwan_rx_fixup, + .data = QMI_WWAN_QUIRK_DTR | QMI_WWAN_QUIRK_QUECTEL_DYNCFG, +}; + #define HUAWEI_VENDOR_ID 0x12D1 /* map QMI/wwan function by a fixed interface number */ @@ -865,6 +876,15 @@ static const struct driver_info qmi_wwan_info_quirk_dtr = { #define QMI_GOBI_DEVICE(vend, prod) \ QMI_FIXED_INTF(vend, prod, 0) +/* Quectel does not use fixed interface numbers on at least some of their + * devices. We need to check the number of endpoints to ensure that we bind to + * the correct interface. + */ +#define QMI_QUIRK_QUECTEL_DYNCFG(vend, prod) \ + USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ + USB_SUBCLASS_VENDOR_SPEC, 0xff), \ + .driver_info = (unsigned long)&qmi_wwan_info_quirk_quectel_dyncfg + static const struct usb_device_id products[] = { /* 1. CDC ECM like devices match on the control interface */ { /* Huawei E392, E398 and possibly others sharing both device id and more... */ @@ -969,20 +989,9 @@ static const struct usb_device_id products[] = { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), .driver_info = (unsigned long)&qmi_wwan_info, }, - { /* Quectel EP06/EG06/EM06 */ - USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0306, - USB_CLASS_VENDOR_SPEC, - USB_SUBCLASS_VENDOR_SPEC, - 0xff), - .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr, - }, - { /* Quectel EG12/EM12 */ - USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0512, - USB_CLASS_VENDOR_SPEC, - USB_SUBCLASS_VENDOR_SPEC, - 0xff), - .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr, - }, + {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ + {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ + {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ /* 3. Combined interface devices matching on interface number */ {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ @@ -1283,7 +1292,6 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ - {QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ @@ -1363,27 +1371,12 @@ static bool quectel_ec20_detected(struct usb_interface *intf) return false; } -static bool quectel_diag_detected(struct usb_interface *intf) -{ - struct usb_device *dev = interface_to_usbdev(intf); - struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc; - u16 id_vendor = le16_to_cpu(dev->descriptor.idVendor); - u16 id_product = le16_to_cpu(dev->descriptor.idProduct); - - if (id_vendor != 0x2c7c || intf_desc.bNumEndpoints != 2) - return false; - - if (id_product == 0x0306 || id_product == 0x0512) - return true; - else - return false; -} - static int qmi_wwan_probe(struct usb_interface *intf, const struct usb_device_id *prod) { struct usb_device_id *id = (struct usb_device_id *)prod; struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; + const struct driver_info *info; /* Workaround to enable dynamic IDs. This disables usbnet * blacklisting functionality. Which, if required, can be @@ -1417,10 +1410,14 @@ static int qmi_wwan_probe(struct usb_interface *intf, * we need to match on class/subclass/protocol. These values are * identical for the diagnostic- and QMI-interface, but bNumEndpoints is * different. Ignore the current interface if the number of endpoints - * the number for the diag interface (two). + * equals the number for the diag interface (two). */ - if (quectel_diag_detected(intf)) - return -ENODEV; + info = (void *)&id->driver_info; + + if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) { + if (desc->bNumEndpoints == 2) + return -ENODEV; + } return usbnet_probe(intf, id); } diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 770aa624147f..10854977c55f 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -506,6 +506,7 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) if (netif_running (dev->net) && netif_device_present (dev->net) && + test_bit(EVENT_DEV_OPEN, &dev->flags) && !test_bit (EVENT_RX_HALT, &dev->flags) && !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) { switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) { @@ -1431,6 +1432,11 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, spin_unlock_irqrestore(&dev->txq.lock, flags); goto drop; } + if (netif_queue_stopped(net)) { + usb_autopm_put_interface_async(dev->intf); + spin_unlock_irqrestore(&dev->txq.lock, flags); + goto drop; + } #ifdef CONFIG_PM /* if this triggers the device is still a sleep */ diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 2daf33342b23..1fc2bf66845c 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -1131,7 +1131,12 @@ int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, params->wait); out: + /* when the sent packet was not acked by receiver(ACK=0), rc will + * be -EAGAIN. In this case this function needs to return success, + * the ACK=0 will be reflected in tx_status. + */ tx_status = (rc == 0); + rc = (rc == -EAGAIN) ? 0 : rc; cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, tx_status, GFP_KERNEL); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 42c02a20ec97..6e3b3031f29b 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -3107,8 +3107,9 @@ int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len) rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, vif->mid, cmd, total, WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) { - wil_err(wil, "mgmt_tx failed with status %d\n", evt.evt.status); - rc = -EINVAL; + wil_dbg_wmi(wil, "mgmt_tx failed with status %d\n", + evt.evt.status); + rc = -EAGAIN; } kfree(cmd); @@ -3160,9 +3161,9 @@ int wmi_mgmt_tx_ext(struct wil6210_vif *vif, const u8 *buf, size_t len, rc = wmi_call(wil, WMI_SW_TX_REQ_EXT_CMDID, vif->mid, cmd, total, WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) { - wil_err(wil, "mgmt_tx_ext failed with status %d\n", - evt.evt.status); - rc = -EINVAL; + wil_dbg_wmi(wil, "mgmt_tx_ext failed with status %d\n", + evt.evt.status); + rc = -EAGAIN; } kfree(cmd); diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c index e99e766a3028..1cabae424839 100644 --- a/drivers/net/wireless/atmel/at76c50x-usb.c +++ b/drivers/net/wireless/atmel/at76c50x-usb.c @@ -2585,8 +2585,8 @@ static int __init at76_mod_init(void) if (result < 0) printk(KERN_ERR DRIVER_NAME ": usb_register failed (status %d)\n", result); - - led_trigger_register_simple("at76_usb-tx", &ledtrig_tx); + else + led_trigger_register_simple("at76_usb-tx", &ledtrig_tx); return result; } diff --git a/drivers/net/wireless/broadcom/b43/phy_lp.c b/drivers/net/wireless/broadcom/b43/phy_lp.c index 6922cbb99a04..5a0699fb4b9a 100644 --- a/drivers/net/wireless/broadcom/b43/phy_lp.c +++ b/drivers/net/wireless/broadcom/b43/phy_lp.c @@ -1834,7 +1834,7 @@ static void lpphy_papd_cal(struct b43_wldev *dev, struct lpphy_tx_gains gains, static void lpphy_papd_cal_txpwr(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; - struct lpphy_tx_gains gains, oldgains; + struct lpphy_tx_gains oldgains; int old_txpctl, old_afe_ovr, old_rf, old_bbmult; lpphy_read_tx_pctl_mode_from_hardware(dev); @@ -1848,9 +1848,9 @@ static void lpphy_papd_cal_txpwr(struct b43_wldev *dev) lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); if (dev->dev->chip_id == 0x4325 && dev->dev->chip_rev == 0) - lpphy_papd_cal(dev, gains, 0, 1, 30); + lpphy_papd_cal(dev, oldgains, 0, 1, 30); else - lpphy_papd_cal(dev, gains, 0, 1, 65); + lpphy_papd_cal(dev, oldgains, 0, 1, 65); if (old_afe_ovr) lpphy_set_tx_gains(dev, oldgains); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c index 1068a2a4494c..144e0b83b24b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c @@ -490,11 +490,18 @@ fail: return -ENOMEM; } -void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr) +void brcmf_proto_bcdc_detach_pre_delif(struct brcmf_pub *drvr) +{ + struct brcmf_bcdc *bcdc = drvr->proto->pd; + + brcmf_fws_detach_pre_delif(bcdc->fws); +} + +void brcmf_proto_bcdc_detach_post_delif(struct brcmf_pub *drvr) { struct brcmf_bcdc *bcdc = drvr->proto->pd; drvr->proto->pd = NULL; - brcmf_fws_detach(bcdc->fws); + brcmf_fws_detach_post_delif(bcdc->fws); kfree(bcdc); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.h index 3b0e9eff21b5..4bc52240ccea 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.h @@ -18,14 +18,16 @@ #ifdef CONFIG_BRCMFMAC_PROTO_BCDC int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr); -void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr); +void brcmf_proto_bcdc_detach_pre_delif(struct brcmf_pub *drvr); +void brcmf_proto_bcdc_detach_post_delif(struct brcmf_pub *drvr); void brcmf_proto_bcdc_txflowblock(struct device *dev, bool state); void brcmf_proto_bcdc_txcomplete(struct device *dev, struct sk_buff *txp, bool success); struct brcmf_fws_info *drvr_to_fws(struct brcmf_pub *drvr); #else static inline int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) { return 0; } -static inline void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr) {} +static void brcmf_proto_bcdc_detach_pre_delif(struct brcmf_pub *drvr) {}; +static inline void brcmf_proto_bcdc_detach_post_delif(struct brcmf_pub *drvr) {} #endif #endif /* BRCMFMAC_BCDC_H */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 72822c828a99..82ec8f9875ae 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -3468,6 +3468,8 @@ brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e, } netinfo = brcmf_get_netinfo_array(pfn_result); + if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN) + netinfo->SSID_len = IEEE80211_MAX_SSID_LEN; memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len); cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len; cfg->wowl.nd->n_channels = 1; @@ -5368,6 +5370,8 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, conn_info->req_ie = kmemdup(cfg->extra_buf, conn_info->req_ie_len, GFP_KERNEL); + if (!conn_info->req_ie) + conn_info->req_ie_len = 0; } else { conn_info->req_ie_len = 0; conn_info->req_ie = NULL; @@ -5384,6 +5388,8 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, conn_info->resp_ie = kmemdup(cfg->extra_buf, conn_info->resp_ie_len, GFP_KERNEL); + if (!conn_info->resp_ie) + conn_info->resp_ie_len = 0; } else { conn_info->resp_ie_len = 0; conn_info->resp_ie = NULL; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index 6d593dde61cc..17e2fdf212de 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -465,7 +465,8 @@ void brcmf_rx_frame(struct device *dev, struct sk_buff *skb, bool handle_event) } else { /* Process special event packets */ if (handle_event) - brcmf_fweh_process_skb(ifp->drvr, skb); + brcmf_fweh_process_skb(ifp->drvr, skb, + BCMILCP_SUBTYPE_VENDOR_LONG); brcmf_netif_rx(ifp, skb); } @@ -482,7 +483,7 @@ void brcmf_rx_event(struct device *dev, struct sk_buff *skb) if (brcmf_rx_hdrpull(drvr, skb, &ifp)) return; - brcmf_fweh_process_skb(ifp->drvr, skb); + brcmf_fweh_process_skb(ifp->drvr, skb, 0); brcmu_pkt_buf_free_skb(skb); } @@ -784,17 +785,17 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx, bool rtnl_locked) { struct brcmf_if *ifp; + int ifidx; ifp = drvr->iflist[bsscfgidx]; - drvr->iflist[bsscfgidx] = NULL; if (!ifp) { brcmf_err("Null interface, bsscfgidx=%d\n", bsscfgidx); return; } brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", bsscfgidx, ifp->ifidx); - if (drvr->if2bss[ifp->ifidx] == bsscfgidx) - drvr->if2bss[ifp->ifidx] = BRCMF_BSSIDX_INVALID; + ifidx = ifp->ifidx; + if (ifp->ndev) { if (bsscfgidx == 0) { if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { @@ -822,6 +823,10 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx, brcmf_p2p_ifp_removed(ifp, rtnl_locked); kfree(ifp); } + + drvr->iflist[bsscfgidx] = NULL; + if (drvr->if2bss[ifidx] == bsscfgidx) + drvr->if2bss[ifidx] = BRCMF_BSSIDX_INVALID; } void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked) @@ -1240,6 +1245,8 @@ void brcmf_detach(struct device *dev) brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); + brcmf_proto_detach_pre_delif(drvr); + /* make sure primary interface removed last */ for (i = BRCMF_MAX_IFS-1; i > -1; i--) brcmf_remove_interface(drvr->iflist[i], false); @@ -1249,7 +1256,7 @@ void brcmf_detach(struct device *dev) brcmf_bus_stop(drvr->bus_if); - brcmf_proto_detach(drvr); + brcmf_proto_detach_post_delif(drvr); bus_if->drvr = NULL; wiphy_free(drvr->wiphy); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h index 816f80ea925b..ebd66fe0d949 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h @@ -211,7 +211,7 @@ enum brcmf_fweh_event_code { */ #define BRCM_OUI "\x00\x10\x18" #define BCMILCP_BCM_SUBTYPE_EVENT 1 - +#define BCMILCP_SUBTYPE_VENDOR_LONG 32769 /** * struct brcm_ethhdr - broadcom specific ether header. @@ -334,10 +334,10 @@ void brcmf_fweh_process_event(struct brcmf_pub *drvr, void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing); static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr, - struct sk_buff *skb) + struct sk_buff *skb, u16 stype) { struct brcmf_event *event_packet; - u16 usr_stype; + u16 subtype, usr_stype; /* only process events when protocol matches */ if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL)) @@ -346,8 +346,16 @@ static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr, if ((skb->len + ETH_HLEN) < sizeof(*event_packet)) return; - /* check for BRCM oui match */ event_packet = (struct brcmf_event *)skb_mac_header(skb); + + /* check subtype if needed */ + if (unlikely(stype)) { + subtype = get_unaligned_be16(&event_packet->hdr.subtype); + if (subtype != stype) + return; + } + + /* check for BRCM oui match */ if (memcmp(BRCM_OUI, &event_packet->hdr.oui[0], sizeof(event_packet->hdr.oui))) return; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c index f3cbf78c8899..1de8497d92b8 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c @@ -579,24 +579,6 @@ static bool brcmf_fws_ifidx_match(struct sk_buff *skb, void *arg) return ifidx == *(int *)arg; } -static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q, - int ifidx) -{ - bool (*matchfn)(struct sk_buff *, void *) = NULL; - struct sk_buff *skb; - int prec; - - if (ifidx != -1) - matchfn = brcmf_fws_ifidx_match; - for (prec = 0; prec < q->num_prec; prec++) { - skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); - while (skb) { - brcmu_pkt_buf_free_skb(skb); - skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); - } - } -} - static void brcmf_fws_hanger_init(struct brcmf_fws_hanger *hanger) { int i; @@ -668,6 +650,28 @@ static inline int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h, return 0; } +static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q, + int ifidx) +{ + bool (*matchfn)(struct sk_buff *, void *) = NULL; + struct sk_buff *skb; + int prec; + u32 hslot; + + if (ifidx != -1) + matchfn = brcmf_fws_ifidx_match; + for (prec = 0; prec < q->num_prec; prec++) { + skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); + while (skb) { + hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); + brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb, + true); + brcmu_pkt_buf_free_skb(skb); + skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); + } + } +} + static int brcmf_fws_hanger_mark_suppressed(struct brcmf_fws_hanger *h, u32 slot_id) { @@ -2168,6 +2172,8 @@ void brcmf_fws_del_interface(struct brcmf_if *ifp) brcmf_fws_lock(fws); ifp->fws_desc = NULL; brcmf_dbg(TRACE, "deleting %s\n", entry->name); + brcmf_fws_macdesc_cleanup(fws, &fws->desc.iface[ifp->ifidx], + ifp->ifidx); brcmf_fws_macdesc_deinit(entry); brcmf_fws_cleanup(fws, ifp->ifidx); brcmf_fws_unlock(fws); @@ -2404,17 +2410,25 @@ struct brcmf_fws_info *brcmf_fws_attach(struct brcmf_pub *drvr) return fws; fail: - brcmf_fws_detach(fws); + brcmf_fws_detach_pre_delif(fws); + brcmf_fws_detach_post_delif(fws); return ERR_PTR(rc); } -void brcmf_fws_detach(struct brcmf_fws_info *fws) +void brcmf_fws_detach_pre_delif(struct brcmf_fws_info *fws) { if (!fws) return; - - if (fws->fws_wq) + if (fws->fws_wq) { destroy_workqueue(fws->fws_wq); + fws->fws_wq = NULL; + } +} + +void brcmf_fws_detach_post_delif(struct brcmf_fws_info *fws) +{ + if (!fws) + return; /* cleanup */ brcmf_fws_lock(fws); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h index 4e6835766d5d..749c06dcdc17 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h @@ -19,7 +19,8 @@ #define FWSIGNAL_H_ struct brcmf_fws_info *brcmf_fws_attach(struct brcmf_pub *drvr); -void brcmf_fws_detach(struct brcmf_fws_info *fws); +void brcmf_fws_detach_pre_delif(struct brcmf_fws_info *fws); +void brcmf_fws_detach_post_delif(struct brcmf_fws_info *fws); void brcmf_fws_debugfs_create(struct brcmf_pub *drvr); bool brcmf_fws_queue_skbs(struct brcmf_fws_info *fws); bool brcmf_fws_fc_active(struct brcmf_fws_info *fws); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c index 4e8397a0cbc8..ee922b052561 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c @@ -1116,7 +1116,7 @@ static void brcmf_msgbuf_process_event(struct brcmf_msgbuf *msgbuf, void *buf) skb->protocol = eth_type_trans(skb, ifp->ndev); - brcmf_fweh_process_skb(ifp->drvr, skb); + brcmf_fweh_process_skb(ifp->drvr, skb, 0); exit: brcmu_pkt_buf_free_skb(skb); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c index c5ff551ec659..74e6fdbd3a2b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c @@ -67,16 +67,22 @@ fail: return -ENOMEM; } -void brcmf_proto_detach(struct brcmf_pub *drvr) +void brcmf_proto_detach_post_delif(struct brcmf_pub *drvr) { brcmf_dbg(TRACE, "Enter\n"); if (drvr->proto) { if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) - brcmf_proto_bcdc_detach(drvr); + brcmf_proto_bcdc_detach_post_delif(drvr); else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) brcmf_proto_msgbuf_detach(drvr); kfree(drvr->proto); drvr->proto = NULL; } } + +void brcmf_proto_detach_pre_delif(struct brcmf_pub *drvr) +{ + if (drvr->proto && drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) + brcmf_proto_bcdc_detach_pre_delif(drvr); +} diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h index d3c3b9a815ad..72355aea9028 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h @@ -54,7 +54,8 @@ struct brcmf_proto { int brcmf_proto_attach(struct brcmf_pub *drvr); -void brcmf_proto_detach(struct brcmf_pub *drvr); +void brcmf_proto_detach_pre_delif(struct brcmf_pub *drvr); +void brcmf_proto_detach_post_delif(struct brcmf_pub *drvr); static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, struct sk_buff *skb, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c index a4308c6e72d7..44ead0fea7c6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c @@ -160,7 +160,7 @@ struct brcmf_usbdev_info { struct usb_device *usbdev; struct device *dev; - struct mutex dev_init_lock; + struct completion dev_init_done; int ctl_in_pipe, ctl_out_pipe; struct urb *ctl_urb; /* URB for control endpoint */ @@ -684,12 +684,18 @@ static int brcmf_usb_up(struct device *dev) static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) { + int i; + if (devinfo->ctl_urb) usb_kill_urb(devinfo->ctl_urb); if (devinfo->bulk_urb) usb_kill_urb(devinfo->bulk_urb); - brcmf_usb_free_q(&devinfo->tx_postq, true); - brcmf_usb_free_q(&devinfo->rx_postq, true); + if (devinfo->tx_reqs) + for (i = 0; i < devinfo->bus_pub.ntxq; i++) + usb_kill_urb(devinfo->tx_reqs[i].urb); + if (devinfo->rx_reqs) + for (i = 0; i < devinfo->bus_pub.nrxq; i++) + usb_kill_urb(devinfo->rx_reqs[i].urb); } static void brcmf_usb_down(struct device *dev) @@ -1195,11 +1201,11 @@ static void brcmf_usb_probe_phase2(struct device *dev, int ret, if (ret) goto error; - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); return; error: brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); device_release_driver(dev); } @@ -1267,7 +1273,7 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) if (ret) goto fail; /* we are done */ - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); return 0; } bus->chip = bus_pub->devid; @@ -1327,11 +1333,10 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) devinfo->usbdev = usb; devinfo->dev = &usb->dev; - /* Take an init lock, to protect for disconnect while still loading. + /* Init completion, to protect for disconnect while still loading. * Necessary because of the asynchronous firmware load construction */ - mutex_init(&devinfo->dev_init_lock); - mutex_lock(&devinfo->dev_init_lock); + init_completion(&devinfo->dev_init_done); usb_set_intfdata(intf, devinfo); @@ -1409,7 +1414,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) return 0; fail: - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); kfree(devinfo); usb_set_intfdata(intf, NULL); return ret; @@ -1424,7 +1429,7 @@ brcmf_usb_disconnect(struct usb_interface *intf) devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); if (devinfo) { - mutex_lock(&devinfo->dev_init_lock); + wait_for_completion(&devinfo->dev_init_done); /* Make sure that devinfo still exists. Firmware probe routines * may have released the device and cleared the intfdata. */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c index 8eff2753abad..d493021f6031 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c @@ -35,9 +35,10 @@ static int brcmf_cfg80211_vndr_cmds_dcmd_handler(struct wiphy *wiphy, struct brcmf_if *ifp; const struct brcmf_vndr_dcmd_hdr *cmdhdr = data; struct sk_buff *reply; - int ret, payload, ret_len; + unsigned int payload, ret_len; void *dcmd_buf = NULL, *wr_pointer; u16 msglen, maxmsglen = PAGE_SIZE - 0x100; + int ret; if (len < sizeof(*cmdhdr)) { brcmf_err("vendor command too short: %d\n", len); @@ -65,7 +66,7 @@ static int brcmf_cfg80211_vndr_cmds_dcmd_handler(struct wiphy *wiphy, brcmf_err("oversize return buffer %d\n", ret_len); ret_len = BRCMF_DCMD_MAXLEN; } - payload = max(ret_len, len) + 1; + payload = max_t(unsigned int, ret_len, len) + 1; dcmd_buf = vzalloc(payload); if (NULL == dcmd_buf) return -ENOMEM; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index b2905f01b7df..6dcd5374d9b4 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -1388,10 +1388,15 @@ out_err: static void iwl_pcie_rx_handle(struct iwl_trans *trans, int queue) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rxq *rxq = &trans_pcie->rxq[queue]; + struct iwl_rxq *rxq; u32 r, i, count = 0; bool emergency = false; + if (WARN_ON_ONCE(!trans_pcie->rxq || !trans_pcie->rxq[queue].bd)) + return; + + rxq = &trans_pcie->rxq[queue]; + restart: spin_lock(&rxq->lock); /* uCode's read index (stored in shared DRAM) indicates the last Rx diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 2d87ebbfa4da..47ec5293c045 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -4045,16 +4045,20 @@ static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); + kfree(hostcmd); return -EFAULT; } /* process hostcmd response*/ skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); - if (!skb) + if (!skb) { + kfree(hostcmd); return -ENOMEM; + } err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, hostcmd->len, hostcmd->cmd); if (err) { + kfree(hostcmd); kfree_skb(skb); return -EMSGSIZE; } diff --git a/drivers/net/wireless/marvell/mwifiex/cfp.c b/drivers/net/wireless/marvell/mwifiex/cfp.c index bfe84e55df77..f1522fb1c1e8 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfp.c +++ b/drivers/net/wireless/marvell/mwifiex/cfp.c @@ -531,5 +531,8 @@ u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv, rate_index = (rx_rate > MWIFIEX_RATE_INDEX_OFDM0) ? rx_rate - 1 : rx_rate; + if (rate_index >= MWIFIEX_MAX_AC_RX_RATES) + rate_index = MWIFIEX_MAX_AC_RX_RATES - 1; + return rate_index; } diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index ef9b502ce576..a3189294ecb8 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -469,6 +469,11 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw) /* <2> work queue */ rtlpriv->works.hw = hw; rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); + if (unlikely(!rtlpriv->works.rtl_wq)) { + pr_err("Failed to allocate work queue\n"); + return; + } + INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, (void *)rtl_watchdog_wq_callback); INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c index 63874512598b..b5f91c994c79 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c @@ -622,6 +622,8 @@ void rtl88e_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) u1rsvdpageloc, 3); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; skb_put_data(skb, &reserved_page_packet, totalpacketlen); rtstatus = rtl_cmd_send_packet(hw, skb); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c index f3bff66e85d0..81ec0e6e07c1 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c @@ -646,6 +646,8 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; skb_put_data(skb, &reserved_page_packet, totalpacketlen); if (cmd_send_packet) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c index 84a0d0eb72e1..a933490928ba 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c @@ -766,6 +766,8 @@ void rtl92ee_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) u1rsvdpageloc, 3); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; skb_put_data(skb, &reserved_page_packet, totalpacketlen); rtstatus = rtl_cmd_send_packet(hw, skb); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c index bf9859f74b6f..52f108744e96 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c @@ -470,6 +470,8 @@ void rtl8723e_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) u1rsvdpageloc, 3); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; skb_put_data(skb, &reserved_page_packet, totalpacketlen); rtstatus = rtl_cmd_send_packet(hw, skb); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c index f2441fbb92f1..307c2bd77f06 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c @@ -584,6 +584,8 @@ void rtl8723be_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, u1rsvdpageloc, sizeof(u1rsvdpageloc)); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; skb_put_data(skb, &reserved_page_packet, totalpacketlen); rtstatus = rtl_cmd_send_packet(hw, skb); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c index d868a034659f..d7235f6165fd 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c @@ -1645,6 +1645,8 @@ out: &reserved_page_packet_8812[0], totalpacketlen); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; skb_put_data(skb, &reserved_page_packet_8812, totalpacketlen); rtstatus = rtl_cmd_send_packet(hw, skb); @@ -1781,6 +1783,8 @@ out: &reserved_page_packet_8821[0], totalpacketlen); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; skb_put_data(skb, &reserved_page_packet_8821, totalpacketlen); rtstatus = rtl_cmd_send_packet(hw, skb); diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index 4e510cbe0a89..be59d66585d6 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -188,27 +188,27 @@ bool rsi_is_cipher_wep(struct rsi_common *common) * @adapter: Pointer to the adapter structure. * @band: Operating band to be set. * - * Return: None. + * Return: int - 0 on success, negative error on failure. */ -static void rsi_register_rates_channels(struct rsi_hw *adapter, int band) +static int rsi_register_rates_channels(struct rsi_hw *adapter, int band) { struct ieee80211_supported_band *sbands = &adapter->sbands[band]; void *channels = NULL; if (band == NL80211_BAND_2GHZ) { - channels = kmalloc(sizeof(rsi_2ghz_channels), GFP_KERNEL); - memcpy(channels, - rsi_2ghz_channels, - sizeof(rsi_2ghz_channels)); + channels = kmemdup(rsi_2ghz_channels, sizeof(rsi_2ghz_channels), + GFP_KERNEL); + if (!channels) + return -ENOMEM; sbands->band = NL80211_BAND_2GHZ; sbands->n_channels = ARRAY_SIZE(rsi_2ghz_channels); sbands->bitrates = rsi_rates; sbands->n_bitrates = ARRAY_SIZE(rsi_rates); } else { - channels = kmalloc(sizeof(rsi_5ghz_channels), GFP_KERNEL); - memcpy(channels, - rsi_5ghz_channels, - sizeof(rsi_5ghz_channels)); + channels = kmemdup(rsi_5ghz_channels, sizeof(rsi_5ghz_channels), + GFP_KERNEL); + if (!channels) + return -ENOMEM; sbands->band = NL80211_BAND_5GHZ; sbands->n_channels = ARRAY_SIZE(rsi_5ghz_channels); sbands->bitrates = &rsi_rates[4]; @@ -227,6 +227,7 @@ static void rsi_register_rates_channels(struct rsi_hw *adapter, int band) sbands->ht_cap.mcs.rx_mask[0] = 0xff; sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; /* sbands->ht_cap.mcs.rx_highest = 0x82; */ + return 0; } /** @@ -1985,11 +1986,16 @@ int rsi_mac80211_attach(struct rsi_common *common) wiphy->available_antennas_rx = 1; wiphy->available_antennas_tx = 1; - rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ); + status = rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ); + if (status) + return status; wiphy->bands[NL80211_BAND_2GHZ] = &adapter->sbands[NL80211_BAND_2GHZ]; if (common->num_supp_bands > 1) { - rsi_register_rates_channels(adapter, NL80211_BAND_5GHZ); + status = rsi_register_rates_channels(adapter, + NL80211_BAND_5GHZ); + if (status) + return status; wiphy->bands[NL80211_BAND_5GHZ] = &adapter->sbands[NL80211_BAND_5GHZ]; } diff --git a/drivers/net/wireless/st/cw1200/main.c b/drivers/net/wireless/st/cw1200/main.c index 90dc979f260b..c1608f0bf6d0 100644 --- a/drivers/net/wireless/st/cw1200/main.c +++ b/drivers/net/wireless/st/cw1200/main.c @@ -345,6 +345,11 @@ static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, mutex_init(&priv->wsm_cmd_mux); mutex_init(&priv->conf_mutex); priv->workqueue = create_singlethread_workqueue("cw1200_wq"); + if (!priv->workqueue) { + ieee80211_free_hw(hw); + return NULL; + } + sema_init(&priv->scan.lock, 1); INIT_WORK(&priv->scan.work, cw1200_scan_work); INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work); diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index cff027fc2676..a7ce2f1761a2 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -281,16 +281,22 @@ static long pmem_dax_direct_access(struct dax_device *dax_dev, return __pmem_direct_access(pmem, pgoff, nr_pages, kaddr, pfn); } +/* + * Use the 'no check' versions of copy_from_iter_flushcache() and + * copy_to_iter_mcsafe() to bypass HARDENED_USERCOPY overhead. Bounds + * checking, both file offset and device offset, is handled by + * dax_iomap_actor() + */ static size_t pmem_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i) { - return copy_from_iter_flushcache(addr, bytes, i); + return _copy_from_iter_flushcache(addr, bytes, i); } static size_t pmem_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i) { - return copy_to_iter_mcsafe(addr, bytes, i); + return _copy_to_iter_mcsafe(addr, bytes, i); } static const struct dax_operations pmem_dax_ops = { diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 2cdb3032ca0f..abfb46378cc1 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1480,6 +1480,10 @@ static void nvme_update_disk_info(struct gendisk *disk, sector_t capacity = le64_to_cpup(&id->nsze) << (ns->lba_shift - 9); unsigned short bs = 1 << ns->lba_shift; + if (ns->lba_shift > PAGE_SHIFT) { + /* unsupported block size, set capacity to 0 later */ + bs = (1 << 9); + } blk_mq_freeze_queue(disk->queue); blk_integrity_unregister(disk); @@ -1490,7 +1494,8 @@ static void nvme_update_disk_info(struct gendisk *disk, if (ns->ms && !ns->ext && (ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) nvme_init_integrity(disk, ns->ms, ns->pi_type); - if (ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) + if ((ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) || + ns->lba_shift > PAGE_SHIFT) capacity = 0; set_capacity(disk, capacity); diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 0939a4e178fb..e4f167e35353 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -880,8 +880,9 @@ static void nvme_rdma_teardown_admin_queue(struct nvme_rdma_ctrl *ctrl, { blk_mq_quiesce_queue(ctrl->ctrl.admin_q); nvme_rdma_stop_queue(&ctrl->queues[0]); - blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_cancel_request, - &ctrl->ctrl); + if (ctrl->ctrl.admin_tagset) + blk_mq_tagset_busy_iter(ctrl->ctrl.admin_tagset, + nvme_cancel_request, &ctrl->ctrl); blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); nvme_rdma_destroy_admin_queue(ctrl, remove); } @@ -892,8 +893,9 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl, if (ctrl->ctrl.queue_count > 1) { nvme_stop_queues(&ctrl->ctrl); nvme_rdma_stop_io_queues(ctrl); - blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_cancel_request, - &ctrl->ctrl); + if (ctrl->ctrl.tagset) + blk_mq_tagset_busy_iter(ctrl->ctrl.tagset, + nvme_cancel_request, &ctrl->ctrl); if (remove) nvme_start_queues(&ctrl->ctrl); nvme_rdma_destroy_io_queues(ctrl, remove); diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index 45c0b1f4cb69..a09c1c3cf831 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -205,15 +205,24 @@ static void __of_attach_node(struct device_node *np) const __be32 *phandle; int sz; - np->name = __of_get_property(np, "name", NULL) ? : "<NULL>"; - np->type = __of_get_property(np, "device_type", NULL) ? : "<NULL>"; - - phandle = __of_get_property(np, "phandle", &sz); - if (!phandle) - phandle = __of_get_property(np, "linux,phandle", &sz); - if (IS_ENABLED(CONFIG_PPC_PSERIES) && !phandle) - phandle = __of_get_property(np, "ibm,phandle", &sz); - np->phandle = (phandle && (sz >= 4)) ? be32_to_cpup(phandle) : 0; + if (!of_node_check_flag(np, OF_OVERLAY)) { + np->name = __of_get_property(np, "name", NULL); + np->type = __of_get_property(np, "device_type", NULL); + if (!np->name) + np->name = "<NULL>"; + if (!np->type) + np->type = "<NULL>"; + + phandle = __of_get_property(np, "phandle", &sz); + if (!phandle) + phandle = __of_get_property(np, "linux,phandle", &sz); + if (IS_ENABLED(CONFIG_PPC_PSERIES) && !phandle) + phandle = __of_get_property(np, "ibm,phandle", &sz); + if (phandle && (sz >= 4)) + np->phandle = be32_to_cpup(phandle); + else + np->phandle = 0; + } np->child = NULL; np->sibling = np->parent->child; diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c index 9808aae4621a..2edb59039b5f 100644 --- a/drivers/of/overlay.c +++ b/drivers/of/overlay.c @@ -287,7 +287,12 @@ err_free_target_path: * @target may be either in the live devicetree or in a new subtree that * is contained in the changeset. * - * Some special properties are not updated (no error returned). + * Some special properties are not added or updated (no error returned): + * "name", "phandle", "linux,phandle". + * + * Properties "#address-cells" and "#size-cells" are not updated if they + * are already in the live tree, but if present in the live tree, the values + * in the overlay must match the values in the live tree. * * Update of property in symbols node is not allowed. * @@ -300,11 +305,13 @@ static int add_changeset_property(struct overlay_changeset *ovcs, { struct property *new_prop = NULL, *prop; int ret = 0; + bool check_for_non_overlay_node = false; - if (!of_prop_cmp(overlay_prop->name, "name") || - !of_prop_cmp(overlay_prop->name, "phandle") || - !of_prop_cmp(overlay_prop->name, "linux,phandle")) - return 0; + if (target->in_livetree) + if (!of_prop_cmp(overlay_prop->name, "name") || + !of_prop_cmp(overlay_prop->name, "phandle") || + !of_prop_cmp(overlay_prop->name, "linux,phandle")) + return 0; if (target->in_livetree) prop = of_find_property(target->np, overlay_prop->name, NULL); @@ -322,12 +329,36 @@ static int add_changeset_property(struct overlay_changeset *ovcs, if (!new_prop) return -ENOMEM; - if (!prop) + if (!prop) { + check_for_non_overlay_node = true; + if (!target->in_livetree) { + new_prop->next = target->np->deadprops; + target->np->deadprops = new_prop; + } ret = of_changeset_add_property(&ovcs->cset, target->np, new_prop); - else + } else if (!of_prop_cmp(prop->name, "#address-cells")) { + if (!of_prop_val_eq(prop, new_prop)) { + pr_err("ERROR: changing value of #address-cells is not allowed in %pOF\n", + target->np); + ret = -EINVAL; + } + } else if (!of_prop_cmp(prop->name, "#size-cells")) { + if (!of_prop_val_eq(prop, new_prop)) { + pr_err("ERROR: changing value of #size-cells is not allowed in %pOF\n", + target->np); + ret = -EINVAL; + } + } else { + check_for_non_overlay_node = true; ret = of_changeset_update_property(&ovcs->cset, target->np, new_prop); + } + + if (check_for_non_overlay_node && + !of_node_check_flag(target->np, OF_OVERLAY)) + pr_err("WARNING: memory leak will occur if overlay removed, property: %pOF/%s\n", + target->np, new_prop->name); if (ret) { kfree(new_prop->name); @@ -382,9 +413,10 @@ static int add_changeset_node(struct overlay_changeset *ovcs, struct target *target, struct device_node *node) { const char *node_kbasename; + const __be32 *phandle; struct device_node *tchild; struct target target_child; - int ret = 0; + int ret = 0, size; node_kbasename = kbasename(node->full_name); @@ -398,6 +430,19 @@ static int add_changeset_node(struct overlay_changeset *ovcs, return -ENOMEM; tchild->parent = target->np; + tchild->name = __of_get_property(node, "name", NULL); + tchild->type = __of_get_property(node, "device_type", NULL); + + if (!tchild->name) + tchild->name = "<NULL>"; + if (!tchild->type) + tchild->type = "<NULL>"; + + /* ignore obsolete "linux,phandle" */ + phandle = __of_get_property(node, "phandle", &size); + if (phandle && (size == 4)) + tchild->phandle = be32_to_cpup(phandle); + of_node_set_flag(tchild, OF_OVERLAY); ret = of_changeset_attach_node(&ovcs->cset, tchild); diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index 1bfeb160c5b1..14a541c453e5 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -1692,21 +1692,24 @@ static int cci_pmu_probe(struct platform_device *pdev) raw_spin_lock_init(&cci_pmu->hw_events.pmu_lock); mutex_init(&cci_pmu->reserve_mutex); atomic_set(&cci_pmu->active_events, 0); - cci_pmu->cpu = get_cpu(); - - ret = cci_pmu_init(cci_pmu, pdev); - if (ret) { - put_cpu(); - return ret; - } + cci_pmu->cpu = raw_smp_processor_id(); + g_cci_pmu = cci_pmu; cpuhp_setup_state_nocalls(CPUHP_AP_PERF_ARM_CCI_ONLINE, "perf/arm/cci:online", NULL, cci_pmu_offline_cpu); - put_cpu(); - g_cci_pmu = cci_pmu; + + ret = cci_pmu_init(cci_pmu, pdev); + if (ret) + goto error_pmu_init; + pr_info("ARM %s PMU driver probed", cci_pmu->model->name); return 0; + +error_pmu_init: + cpuhp_remove_state(CPUHP_AP_PERF_ARM_CCI_ONLINE); + g_cci_pmu = NULL; + return ret; } static int cci_pmu_remove(struct platform_device *pdev) diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index 15c8fc2abf01..1f8809bab002 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -550,6 +550,7 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work) struct sun4i_usb_phy_data *data = container_of(work, struct sun4i_usb_phy_data, detect.work); struct phy *phy0 = data->phys[0].phy; + struct sun4i_usb_phy *phy = phy_get_drvdata(phy0); bool force_session_end, id_notify = false, vbus_notify = false; int id_det, vbus_det; @@ -606,6 +607,9 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work) mutex_unlock(&phy0->mutex); } + /* Enable PHY0 passby for host mode only. */ + sun4i_usb_phy_passby(phy, !id_det); + /* Re-route PHY0 if necessary */ if (data->cfg->phy0_dual_route) sun4i_usb_phy0_reroute(data, id_det); diff --git a/drivers/phy/motorola/Kconfig b/drivers/phy/motorola/Kconfig index 82651524ffb9..718f8729701d 100644 --- a/drivers/phy/motorola/Kconfig +++ b/drivers/phy/motorola/Kconfig @@ -13,7 +13,7 @@ config PHY_CPCAP_USB config PHY_MAPPHONE_MDM6600 tristate "Motorola Mapphone MDM6600 modem USB PHY driver" - depends on OF && USB_SUPPORT + depends on OF && USB_SUPPORT && GPIOLIB select GENERIC_PHY help Enable this for MDM6600 USB modem to work on Motorola phones diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c index 302190d1558d..0d7d379e9bb8 100644 --- a/drivers/pinctrl/pinctrl-pistachio.c +++ b/drivers/pinctrl/pinctrl-pistachio.c @@ -1368,6 +1368,7 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl) if (!of_find_property(child, "gpio-controller", NULL)) { dev_err(pctl->dev, "No gpio-controller property for bank %u\n", i); + of_node_put(child); ret = -ENODEV; goto err; } @@ -1375,6 +1376,7 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl) irq = irq_of_parse_and_map(child, 0); if (irq < 0) { dev_err(pctl->dev, "No IRQ for bank %u: %d\n", i, irq); + of_node_put(child); ret = irq; goto err; } diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c index 44c6b753f692..85ddf49a5188 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c @@ -71,6 +71,7 @@ s5pv210_retention_init(struct samsung_pinctrl_drv_data *drvdata, } clk_base = of_iomap(np, 0); + of_node_put(np); if (!clk_base) { pr_err("%s: failed to map clock registers\n", __func__); return ERR_PTR(-EINVAL); diff --git a/drivers/pinctrl/zte/pinctrl-zx.c b/drivers/pinctrl/zte/pinctrl-zx.c index caa44dd2880a..3cb69309912b 100644 --- a/drivers/pinctrl/zte/pinctrl-zx.c +++ b/drivers/pinctrl/zte/pinctrl-zx.c @@ -411,6 +411,7 @@ int zx_pinctrl_init(struct platform_device *pdev, } zpctl->aux_base = of_iomap(np, 0); + of_node_put(np); if (!zpctl->aux_base) return -ENOMEM; diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c index 01ffc0ef8033..fbcf13bbbd8d 100644 --- a/drivers/rtc/rtc-88pm860x.c +++ b/drivers/rtc/rtc-88pm860x.c @@ -414,7 +414,7 @@ static int pm860x_rtc_remove(struct platform_device *pdev) struct pm860x_rtc_info *info = platform_get_drvdata(pdev); #ifdef VRTC_CALIBRATION - flush_scheduled_work(); + cancel_delayed_work_sync(&info->calib_work); /* disable measurement */ pm860x_set_bits(info->i2c, PM8607_MEAS_EN2, MEAS2_VRTC, 0); #endif /* VRTC_CALIBRATION */ diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c index c5908cfea234..8e6c9b3bcc29 100644 --- a/drivers/rtc/rtc-stm32.c +++ b/drivers/rtc/rtc-stm32.c @@ -788,11 +788,14 @@ static int stm32_rtc_probe(struct platform_device *pdev) ret = device_init_wakeup(&pdev->dev, true); if (rtc->data->has_wakeirq) { rtc->wakeirq_alarm = platform_get_irq(pdev, 1); - if (rtc->wakeirq_alarm <= 0) - ret = rtc->wakeirq_alarm; - else + if (rtc->wakeirq_alarm > 0) { ret = dev_pm_set_dedicated_wake_irq(&pdev->dev, rtc->wakeirq_alarm); + } else { + ret = rtc->wakeirq_alarm; + if (rtc->wakeirq_alarm == -EPROBE_DEFER) + goto err; + } } if (ret) dev_warn(&pdev->dev, "alarm can't wake up the system: %d", ret); diff --git a/drivers/rtc/rtc-xgene.c b/drivers/rtc/rtc-xgene.c index 153820876a82..2f741f455c30 100644 --- a/drivers/rtc/rtc-xgene.c +++ b/drivers/rtc/rtc-xgene.c @@ -168,6 +168,10 @@ static int xgene_rtc_probe(struct platform_device *pdev) if (IS_ERR(pdata->csr_base)) return PTR_ERR(pdata->csr_base); + pdata->rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(pdata->rtc)) + return PTR_ERR(pdata->rtc); + irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "No IRQ resource\n"); @@ -198,15 +202,15 @@ static int xgene_rtc_probe(struct platform_device *pdev) return ret; } - pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name, - &xgene_rtc_ops, THIS_MODULE); - if (IS_ERR(pdata->rtc)) { - clk_disable_unprepare(pdata->clk); - return PTR_ERR(pdata->rtc); - } - /* HW does not support update faster than 1 seconds */ pdata->rtc->uie_unsupported = 1; + pdata->rtc->ops = &xgene_rtc_ops; + + ret = rtc_register_device(pdata->rtc); + if (ret) { + clk_disable_unprepare(pdata->clk); + return ret; + } return 0; } diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 9811fd8a0c73..92eabbb5f18d 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -115,7 +115,7 @@ struct subchannel { struct schib_config config; } __attribute__ ((aligned(8))); -DECLARE_PER_CPU(struct irb, cio_irb); +DECLARE_PER_CPU_ALIGNED(struct irb, cio_irb); #define to_subchannel(n) container_of(n, struct subchannel, dev) diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c index fabd9798e4c4..7a06cdff6572 100644 --- a/drivers/s390/cio/vfio_ccw_drv.c +++ b/drivers/s390/cio/vfio_ccw_drv.c @@ -40,26 +40,30 @@ int vfio_ccw_sch_quiesce(struct subchannel *sch) if (ret != -EBUSY) goto out_unlock; + iretry = 255; do { - iretry = 255; ret = cio_cancel_halt_clear(sch, &iretry); - while (ret == -EBUSY) { - /* - * Flush all I/O and wait for - * cancel/halt/clear completion. - */ - private->completion = &completion; - spin_unlock_irq(sch->lock); - wait_for_completion_timeout(&completion, 3*HZ); + if (ret == -EIO) { + pr_err("vfio_ccw: could not quiesce subchannel 0.%x.%04x!\n", + sch->schid.ssid, sch->schid.sch_no); + break; + } + + /* + * Flush all I/O and wait for + * cancel/halt/clear completion. + */ + private->completion = &completion; + spin_unlock_irq(sch->lock); - spin_lock_irq(sch->lock); - private->completion = NULL; - flush_workqueue(vfio_ccw_work_q); - ret = cio_cancel_halt_clear(sch, &iretry); - }; + if (ret == -EBUSY) + wait_for_completion_timeout(&completion, 3*HZ); + private->completion = NULL; + flush_workqueue(vfio_ccw_work_q); + spin_lock_irq(sch->lock); ret = cio_disable_subchannel(sch); } while (ret == -EBUSY); out_unlock: diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index f673e106c041..dc5ff47de3fe 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -130,11 +130,12 @@ static int vfio_ccw_mdev_remove(struct mdev_device *mdev) if ((private->state != VFIO_CCW_STATE_NOT_OPER) && (private->state != VFIO_CCW_STATE_STANDBY)) { - if (!vfio_ccw_mdev_reset(mdev)) + if (!vfio_ccw_sch_quiesce(private->sch)) private->state = VFIO_CCW_STATE_STANDBY; /* The state will be NOT_OPER on error. */ } + cp_free(&private->cp); private->mdev = NULL; atomic_inc(&private->avail); @@ -158,6 +159,14 @@ static void vfio_ccw_mdev_release(struct mdev_device *mdev) struct vfio_ccw_private *private = dev_get_drvdata(mdev_parent_dev(mdev)); + if ((private->state != VFIO_CCW_STATE_NOT_OPER) && + (private->state != VFIO_CCW_STATE_STANDBY)) { + if (!vfio_ccw_mdev_reset(mdev)) + private->state = VFIO_CCW_STATE_STANDBY; + /* The state will be NOT_OPER on error. */ + } + + cp_free(&private->cp); vfio_unregister_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY, &private->nb); } diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index e6854127b434..b2737bfeb8bb 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -224,6 +224,7 @@ static long zcrypt_rsa_modexpo(struct ica_rsa_modexpo *mex) trace_s390_zcrypt_req(mex, TP_ICARSAMODEXPO); if (mex->outputdatalength < mex->inputdatalength) { + func_code = 0; rc = -EINVAL; goto out; } @@ -298,6 +299,7 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt) trace_s390_zcrypt_req(crt, TP_ICARSACRT); if (crt->outputdatalength < crt->inputdatalength) { + func_code = 0; rc = -EINVAL; goto out; } @@ -483,6 +485,7 @@ static long zcrypt_send_ep11_cprb(struct ep11_urb *xcrb) targets = kcalloc(target_num, sizeof(*targets), GFP_KERNEL); if (!targets) { + func_code = 0; rc = -ENOMEM; goto out; } @@ -490,6 +493,7 @@ static long zcrypt_send_ep11_cprb(struct ep11_urb *xcrb) uptr = (struct ep11_target_dev __force __user *) xcrb->targets; if (copy_from_user(targets, uptr, target_num * sizeof(*targets))) { + func_code = 0; rc = -EFAULT; goto out_free; } diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 2d1f6a583641..b2657582cfcf 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -201,6 +201,12 @@ struct qeth_vnicc_info { bool rx_bcast_enabled; }; +static inline int qeth_is_adp_supported(struct qeth_ipa_info *ipa, + enum qeth_ipa_setadp_cmd func) +{ + return (ipa->supported_funcs & func); +} + static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func) { @@ -214,9 +220,7 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, } #define qeth_adp_supported(c, f) \ - qeth_is_ipa_supported(&c->options.adp, f) -#define qeth_adp_enabled(c, f) \ - qeth_is_ipa_enabled(&c->options.adp, f) + qeth_is_adp_supported(&c->options.adp, f) #define qeth_is_supported(c, f) \ qeth_is_ipa_supported(&c->options.ipa4, f) #define qeth_is_enabled(c, f) \ diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 56aacf32f71b..461afc276db7 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1370,7 +1370,7 @@ static void qeth_set_multiple_write_queues(struct qeth_card *card) card->qdio.no_out_queues = 4; } -static void qeth_update_from_chp_desc(struct qeth_card *card) +static int qeth_update_from_chp_desc(struct qeth_card *card) { struct ccw_device *ccwdev; struct channel_path_desc_fmt0 *chp_dsc; @@ -1380,7 +1380,7 @@ static void qeth_update_from_chp_desc(struct qeth_card *card) ccwdev = card->data.ccwdev; chp_dsc = ccw_device_get_chp_desc(ccwdev, 0); if (!chp_dsc) - goto out; + return -ENOMEM; card->info.func_level = 0x4100 + chp_dsc->desc; if (card->info.type == QETH_CARD_TYPE_IQD) @@ -1395,6 +1395,7 @@ out: kfree(chp_dsc); QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues); QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level); + return 0; } static void qeth_init_qdio_info(struct qeth_card *card) @@ -5090,7 +5091,9 @@ int qeth_core_hardsetup_card(struct qeth_card *card) QETH_DBF_TEXT(SETUP, 2, "hrdsetup"); atomic_set(&card->force_alloc_skb, 0); - qeth_update_from_chp_desc(card); + rc = qeth_update_from_chp_desc(card); + if (rc) + return rc; retry: if (retries < 3) QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n", @@ -5768,7 +5771,9 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) gdev->cdev[2]->handler = qeth_irq; qeth_setup_card(card); - qeth_update_from_chp_desc(card); + rc = qeth_update_from_chp_desc(card); + if (rc) + goto err_chp_desc; card->dev = qeth_alloc_netdev(card); if (!card->dev) { @@ -5806,6 +5811,7 @@ err_disc: qeth_core_free_discipline(card); err_load: free_netdev(card->dev); +err_chp_desc: err_card: qeth_core_free_card(card); err_dev: diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 1b4d6a3afb8f..3d971ffbd4bc 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -164,6 +164,7 @@ extern const struct attribute_group *zfcp_port_attr_groups[]; extern struct mutex zfcp_sysfs_port_units_mutex; extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; extern struct device_attribute *zfcp_sysfs_shost_attrs[]; +bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port); /* zfcp_unit.c */ extern int zfcp_unit_add(struct zfcp_port *, u64); diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index a4bbfa4ef653..588bf5ac6fb9 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -125,6 +125,15 @@ static int zfcp_scsi_slave_alloc(struct scsi_device *sdev) zfcp_sdev->erp_action.port = port; + mutex_lock(&zfcp_sysfs_port_units_mutex); + if (zfcp_sysfs_port_is_removing(port)) { + /* port is already gone */ + mutex_unlock(&zfcp_sysfs_port_units_mutex); + put_device(&port->dev); /* undo zfcp_get_port_by_wwpn() */ + return -ENXIO; + } + mutex_unlock(&zfcp_sysfs_port_units_mutex); + unit = zfcp_unit_find(port, zfcp_scsi_dev_lun(sdev)); if (unit) put_device(&unit->dev); diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index b277be6f7611..af197e2b3e69 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -235,6 +235,53 @@ static ZFCP_DEV_ATTR(adapter, port_rescan, S_IWUSR, NULL, DEFINE_MUTEX(zfcp_sysfs_port_units_mutex); +static void zfcp_sysfs_port_set_removing(struct zfcp_port *const port) +{ + lockdep_assert_held(&zfcp_sysfs_port_units_mutex); + atomic_set(&port->units, -1); +} + +bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port) +{ + lockdep_assert_held(&zfcp_sysfs_port_units_mutex); + return atomic_read(&port->units) == -1; +} + +static bool zfcp_sysfs_port_in_use(struct zfcp_port *const port) +{ + struct zfcp_adapter *const adapter = port->adapter; + unsigned long flags; + struct scsi_device *sdev; + bool in_use = true; + + mutex_lock(&zfcp_sysfs_port_units_mutex); + if (atomic_read(&port->units) > 0) + goto unlock_port_units_mutex; /* zfcp_unit(s) under port */ + + spin_lock_irqsave(adapter->scsi_host->host_lock, flags); + __shost_for_each_device(sdev, adapter->scsi_host) { + const struct zfcp_scsi_dev *zsdev = sdev_to_zfcp(sdev); + + if (sdev->sdev_state == SDEV_DEL || + sdev->sdev_state == SDEV_CANCEL) + continue; + if (zsdev->port != port) + continue; + /* alive scsi_device under port of interest */ + goto unlock_host_lock; + } + + /* port is about to be removed, so no more unit_add or slave_alloc */ + zfcp_sysfs_port_set_removing(port); + in_use = false; + +unlock_host_lock: + spin_unlock_irqrestore(adapter->scsi_host->host_lock, flags); +unlock_port_units_mutex: + mutex_unlock(&zfcp_sysfs_port_units_mutex); + return in_use; +} + static ssize_t zfcp_sysfs_port_remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -257,15 +304,11 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev, else retval = 0; - mutex_lock(&zfcp_sysfs_port_units_mutex); - if (atomic_read(&port->units) > 0) { + if (zfcp_sysfs_port_in_use(port)) { retval = -EBUSY; - mutex_unlock(&zfcp_sysfs_port_units_mutex); + put_device(&port->dev); /* undo zfcp_get_port_by_wwpn() */ goto out; } - /* port is about to be removed, so no more unit_add */ - atomic_set(&port->units, -1); - mutex_unlock(&zfcp_sysfs_port_units_mutex); write_lock_irq(&adapter->port_list_lock); list_del(&port->list); diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c index 1bf0a0984a09..e67bf7388cae 100644 --- a/drivers/s390/scsi/zfcp_unit.c +++ b/drivers/s390/scsi/zfcp_unit.c @@ -124,7 +124,7 @@ int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun) int retval = 0; mutex_lock(&zfcp_sysfs_port_units_mutex); - if (atomic_read(&port->units) == -1) { + if (zfcp_sysfs_port_is_removing(port)) { /* port is already gone */ retval = -ENODEV; goto out; @@ -168,8 +168,14 @@ int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun) write_lock_irq(&port->unit_list_lock); list_add_tail(&unit->list, &port->unit_list); write_unlock_irq(&port->unit_list_lock); + /* + * lock order: shost->scan_mutex before zfcp_sysfs_port_units_mutex + * due to zfcp_unit_scsi_scan() => zfcp_scsi_slave_alloc() + */ + mutex_unlock(&zfcp_sysfs_port_units_mutex); zfcp_unit_scsi_scan(unit); + return retval; out: mutex_unlock(&zfcp_sysfs_port_units_mutex); diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index e9ecc667e3fb..231eb79efa32 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -2040,6 +2040,11 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last) if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) { phy->phy_state = PHY_EMPTY; sas_unregister_devs_sas_addr(dev, phy_id, last); + /* + * Even though the PHY is empty, for convenience we discover + * the PHY to update the PHY info, like negotiated linkrate. + */ + sas_ex_phy_discover(dev, phy_id); return res; } else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) && dev_type_flutter(type, phy->attached_dev_type)) { diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 1a964e71582f..d909d90035bb 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -1762,6 +1762,9 @@ lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue; memset(ae, 0, 256); + /* This string MUST be consistent with other FC platforms + * supported by Broadcom. + */ strncpy(ae->un.AttrString, "Emulex Corporation", sizeof(ae->un.AttrString)); @@ -2117,10 +2120,11 @@ lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue; memset(ae, 0, 32); - ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */ - ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */ - ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */ - ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */ + ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */ + ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */ + if (vport->nvmei_support || vport->phba->nvmet_support) + ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */ + ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */ size = FOURBYTES + 32; ad->AttrLen = cpu_to_be16(size); ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES); @@ -2425,9 +2429,11 @@ lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue; memset(ae, 0, 32); - ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */ - ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */ - ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */ + ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */ + ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */ + if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */ + ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */ size = FOURBYTES + 32; ad->AttrLen = cpu_to_be16(size); ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index eb71877f12f8..ccdd82b1123f 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -921,7 +921,11 @@ lpfc_linkdown(struct lpfc_hba *phba) } } lpfc_destroy_vport_work_array(phba, vports); - /* Clean up any firmware default rpi's */ + + /* Clean up any SLI3 firmware default rpi's */ + if (phba->sli_rev > LPFC_SLI_REV3) + goto skip_unreg_did; + mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (mb) { lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb); @@ -933,6 +937,7 @@ lpfc_linkdown(struct lpfc_hba *phba) } } + skip_unreg_did: /* Setup myDID for link up if we are in pt2pt mode */ if (phba->pport->fc_flag & FC_PT2PT) { mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); @@ -4855,6 +4860,10 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport) LPFC_MBOXQ_t *mbox; int rc; + /* Unreg DID is an SLI3 operation. */ + if (phba->sli_rev > LPFC_SLI_REV3) + return; + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (mbox) { lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS, diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index ca62117a2d13..645ffb5332b4 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -2477,6 +2477,9 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) lpfc_nvme_template.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1; lpfc_nvme_template.max_hw_queues = phba->cfg_nvme_io_channel; + if (!IS_ENABLED(CONFIG_NVME_FC)) + return ret; + cstat = kmalloc((sizeof(struct lpfc_nvme_ctrl_stat) * phba->cfg_nvme_io_channel), GFP_KERNEL); if (!cstat) @@ -2485,12 +2488,9 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) /* localport is allocated from the stack, but the registration * call allocates heap memory as well as the private area. */ -#if (IS_ENABLED(CONFIG_NVME_FC)) + ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template, &vport->phba->pcidev->dev, &localport); -#else - ret = -ENOMEM; -#endif if (!ret) { lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_NVME_DISC, "6005 Successfully registered local " diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index 6bbc38b1b465..a17c13846d1e 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -902,6 +902,7 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req) if (!test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) { QEDF_ERR(&(qedf->dbg_ctx), "Session not offloaded yet.\n"); kref_put(&io_req->refcount, qedf_release_cmd); + return -EINVAL; } /* Obtain free SQE */ diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index d4821b9dea45..4130b9117055 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -1001,6 +1001,9 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep) qedi_ep = ep->dd_data; qedi = qedi_ep->qedi; + if (qedi_ep->state == EP_STATE_OFLDCONN_START) + goto ep_exit_recover; + flush_work(&qedi_ep->offload_work); if (qedi_ep->conn) { diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 36cbb29c84f6..88d8acf86a2a 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3449,7 +3449,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) ql_log(ql_log_fatal, vha, 0x00c8, "Failed to allocate memory for ha->msix_entries.\n"); ret = -ENOMEM; - goto msix_out; + goto free_irqs; } ha->flags.msix_enabled = 1; @@ -3532,6 +3532,10 @@ msix_register_fail: msix_out: return ret; + +free_irqs: + pci_free_irq_vectors(ha->pdev); + goto msix_out; } int diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index a8c67cd17625..9d7feb005acf 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -684,7 +684,6 @@ done: void qla24xx_do_nack_work(struct scsi_qla_host *vha, struct qla_work_evt *e) { fc_port_t *t; - unsigned long flags; switch (e->u.nack.type) { case SRB_NACK_PRLI: @@ -694,10 +693,8 @@ void qla24xx_do_nack_work(struct scsi_qla_host *vha, struct qla_work_evt *e) if (t) { ql_log(ql_log_info, vha, 0xd034, "%s create sess success %p", __func__, t); - spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); /* create sess has an extra kref */ vha->hw->tgt.tgt_ops->put_sess(e->u.nack.fcport); - spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); } break; } @@ -709,9 +706,6 @@ void qla24xx_delete_sess_fn(struct work_struct *work) { fc_port_t *fcport = container_of(work, struct fc_port, del_work); struct qla_hw_data *ha = fcport->vha->hw; - unsigned long flags; - - spin_lock_irqsave(&ha->tgt.sess_lock, flags); if (fcport->se_sess) { ha->tgt.tgt_ops->shutdown_sess(fcport); @@ -719,7 +713,6 @@ void qla24xx_delete_sess_fn(struct work_struct *work) } else { qlt_unreg_sess(fcport); } - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); } /* @@ -788,8 +781,9 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) fcport->port_name, sess->loop_id); sess->local = 0; } - ha->tgt.tgt_ops->put_sess(sess); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); + + ha->tgt.tgt_ops->put_sess(sess); } /* @@ -4135,9 +4129,7 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd) /* * Drop extra session reference from qla_tgt_handle_cmd_for_atio*( */ - spin_lock_irqsave(&ha->tgt.sess_lock, flags); ha->tgt.tgt_ops->put_sess(sess); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); return; out_term: @@ -4154,9 +4146,7 @@ out_term: target_free_tag(sess->se_sess, &cmd->se_cmd); spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); - spin_lock_irqsave(&ha->tgt.sess_lock, flags); ha->tgt.tgt_ops->put_sess(sess); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); } static void qlt_do_work(struct work_struct *work) @@ -4365,9 +4355,7 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, if (!cmd) { ql_dbg(ql_dbg_io, vha, 0x3062, "qla_target(%d): Allocation of cmd failed\n", vha->vp_idx); - spin_lock_irqsave(&ha->tgt.sess_lock, flags); ha->tgt.tgt_ops->put_sess(sess); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); return -EBUSY; } @@ -6105,17 +6093,19 @@ static void qlt_abort_work(struct qla_tgt *tgt, } rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess); - ha->tgt.tgt_ops->put_sess(sess); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2); + ha->tgt.tgt_ops->put_sess(sess); + if (rc != 0) goto out_term; return; out_term2: + spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2); + if (sess) ha->tgt.tgt_ops->put_sess(sess); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2); out_term: spin_lock_irqsave(&ha->hardware_lock, flags); @@ -6175,9 +6165,10 @@ static void qlt_tmr_work(struct qla_tgt *tgt, scsilun_to_int((struct scsi_lun *)&a->u.isp24.fcp_cmnd.lun); rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0); - ha->tgt.tgt_ops->put_sess(sess); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); + ha->tgt.tgt_ops->put_sess(sess); + if (rc != 0) goto out_term; return; diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 64e2d859f633..b8c1a739dfbd 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -350,7 +350,6 @@ static void tcm_qla2xxx_put_sess(struct fc_port *sess) if (!sess) return; - assert_spin_locked(&sess->vha->hw->tgt.sess_lock); kref_put(&sess->sess_kref, tcm_qla2xxx_release_session); } @@ -365,8 +364,9 @@ static void tcm_qla2xxx_close_session(struct se_session *se_sess) spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); target_sess_cmd_list_set_waiting(se_sess); - tcm_qla2xxx_put_sess(sess); spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); + + tcm_qla2xxx_put_sess(sess); } static u32 tcm_qla2xxx_sess_get_index(struct se_session *se_sess) @@ -390,6 +390,8 @@ static int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd) cmd->se_cmd.transport_state, cmd->se_cmd.t_state, cmd->se_cmd.se_cmd_flags); + transport_generic_request_failure(&cmd->se_cmd, + TCM_CHECK_CONDITION_ABORT_CMD); return 0; } cmd->trc_flags |= TRC_XFR_RDY; @@ -829,7 +831,6 @@ static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct fc_port *sess) static void tcm_qla2xxx_shutdown_sess(struct fc_port *sess) { - assert_spin_locked(&sess->vha->hw->tgt.sess_lock); target_sess_cmd_list_set_waiting(sess->se_sess); } diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 5dd3e4e01b10..25c8ce54a976 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -5935,7 +5935,7 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) val = rd_nvram_byte(ha, sec_addr); if (val & BIT_7) ddb_index[1] = (val & 0x7f); - + goto exit_boot_info; } else if (is_qla80XX(ha)) { buf = dma_alloc_coherent(&ha->pdev->dev, size, &buf_dma, GFP_KERNEL); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index e925eda93191..77cb45ef55fc 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2605,7 +2605,6 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) int res; struct scsi_device *sdp = sdkp->device; struct scsi_mode_data data; - int disk_ro = get_disk_ro(sdkp->disk); int old_wp = sdkp->write_prot; set_disk_ro(sdkp->disk, 0); @@ -2646,7 +2645,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) "Test WP failed, assume Write Enabled\n"); } else { sdkp->write_prot = ((data.device_specific & 0x80) != 0); - set_disk_ro(sdkp->disk, sdkp->write_prot || disk_ro); + set_disk_ro(sdkp->disk, sdkp->write_prot); if (sdkp->first_scan || old_wp != sdkp->write_prot) { sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n", sdkp->write_prot ? "on" : "off"); diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c index 452e19f8fb47..c2cee73a8560 100644 --- a/drivers/scsi/ufs/ufs-hisi.c +++ b/drivers/scsi/ufs/ufs-hisi.c @@ -544,6 +544,10 @@ static int ufs_hisi_init_common(struct ufs_hba *hba) ufshcd_set_variant(hba, host); host->rst = devm_reset_control_get(dev, "rst"); + if (IS_ERR(host->rst)) { + dev_err(dev, "%s: failed to get reset control\n", __func__); + return PTR_ERR(host->rst); + } ufs_hisi_set_pm_lvl(hba); diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 6e80dfe4fa97..3183fa8c5857 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6130,19 +6130,19 @@ static u32 ufshcd_find_max_sup_active_icc_level(struct ufs_hba *hba, goto out; } - if (hba->vreg_info.vcc) + if (hba->vreg_info.vcc && hba->vreg_info.vcc->max_uA) icc_level = ufshcd_get_max_icc_level( hba->vreg_info.vcc->max_uA, POWER_DESC_MAX_ACTV_ICC_LVLS - 1, &desc_buf[PWR_DESC_ACTIVE_LVLS_VCC_0]); - if (hba->vreg_info.vccq) + if (hba->vreg_info.vccq && hba->vreg_info.vccq->max_uA) icc_level = ufshcd_get_max_icc_level( hba->vreg_info.vccq->max_uA, icc_level, &desc_buf[PWR_DESC_ACTIVE_LVLS_VCCQ_0]); - if (hba->vreg_info.vccq2) + if (hba->vreg_info.vccq2 && hba->vreg_info.vccq2->max_uA) icc_level = ufshcd_get_max_icc_level( hba->vreg_info.vccq2->max_uA, icc_level, @@ -6767,6 +6767,15 @@ static int ufshcd_config_vreg_load(struct device *dev, struct ufs_vreg *vreg, if (!vreg) return 0; + /* + * "set_load" operation shall be required on those regulators + * which specifically configured current limitation. Otherwise + * zero max_uA may cause unexpected behavior when regulator is + * enabled or set as high power mode. + */ + if (!vreg->max_uA) + return 0; + ret = regulator_set_load(vreg->reg, ua); if (ret < 0) { dev_err(dev, "%s: %s set load (ua=%d) failed, err=%d\n", @@ -6813,12 +6822,15 @@ static int ufshcd_config_vreg(struct device *dev, name = vreg->name; if (regulator_count_voltages(reg) > 0) { - min_uV = on ? vreg->min_uV : 0; - ret = regulator_set_voltage(reg, min_uV, vreg->max_uV); - if (ret) { - dev_err(dev, "%s: %s set voltage failed, err=%d\n", + if (vreg->min_uV && vreg->max_uV) { + min_uV = on ? vreg->min_uV : 0; + ret = regulator_set_voltage(reg, min_uV, vreg->max_uV); + if (ret) { + dev_err(dev, + "%s: %s set voltage failed, err=%d\n", __func__, name, ret); - goto out; + goto out; + } } uA_load = on ? vreg->max_uA : 0; diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index 14a9d18306cb..f63d1b8a0933 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1331,6 +1331,10 @@ static int of_qcom_slim_ngd_register(struct device *parent, return -ENOMEM; ngd->pdev = platform_device_alloc(QCOM_SLIM_NGD_DRV_NAME, id); + if (!ngd->pdev) { + kfree(ngd); + return -ENOMEM; + } ngd->id = id; ngd->pdev->dev.parent = parent; ngd->pdev->driver_override = QCOM_SLIM_NGD_DRV_NAME; diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 08dd3a31a3e5..5b6f3655c366 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1427,7 +1427,7 @@ static int spi_imx_transfer(struct spi_device *spi, /* flush rxfifo before transfer */ while (spi_imx->devtype_data->rx_available(spi_imx)) - spi_imx->rx(spi_imx); + readl(spi_imx->base + MXC_CSPIRXDATA); if (spi_imx->slave_mode) return spi_imx_pio_transfer_slave(spi, transfer); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index b624f6fb04ce..729be74621e3 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -876,10 +876,14 @@ static unsigned int ssp_get_clk_div(struct driver_data *drv_data, int rate) rate = min_t(int, ssp_clk, rate); + /* + * Calculate the divisor for the SCR (Serial Clock Rate), avoiding + * that the SSP transmission rate can be greater than the device rate + */ if (ssp->type == PXA25x_SSP || ssp->type == CE4100_SSP) - return (ssp_clk / (2 * rate) - 1) & 0xff; + return (DIV_ROUND_UP(ssp_clk, 2 * rate) - 1) & 0xff; else - return (ssp_clk / rate - 1) & 0xfff; + return (DIV_ROUND_UP(ssp_clk, rate) - 1) & 0xfff; } static unsigned int pxa2xx_ssp_get_clk_div(struct driver_data *drv_data, diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index b37de1d991d6..d61120822f02 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -279,7 +279,8 @@ static int rspi_set_config_register(struct rspi_data *rspi, int access_size) /* Sets parity, interrupt mask */ rspi_write8(rspi, 0x00, RSPI_SPCR2); - /* Sets SPCMD */ + /* Resets sequencer */ + rspi_write8(rspi, 0, RSPI_SPSCR); rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size); rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0); @@ -323,7 +324,8 @@ static int rspi_rz_set_config_register(struct rspi_data *rspi, int access_size) rspi_write8(rspi, 0x00, RSPI_SSLND); rspi_write8(rspi, 0x00, RSPI_SPND); - /* Sets SPCMD */ + /* Resets sequencer */ + rspi_write8(rspi, 0, RSPI_SPSCR); rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size); rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0); @@ -374,7 +376,8 @@ static int qspi_set_config_register(struct rspi_data *rspi, int access_size) /* Sets buffer to allow normal operation */ rspi_write8(rspi, 0x00, QSPI_SPBFCR); - /* Sets SPCMD */ + /* Resets sequencer */ + rspi_write8(rspi, 0, RSPI_SPSCR); rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0); /* Sets RSPI mode */ diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index a76acedd7e2f..a1888dc6a938 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -1067,27 +1067,19 @@ static int tegra_spi_probe(struct platform_device *pdev) spi_irq = platform_get_irq(pdev, 0); tspi->irq = spi_irq; - ret = request_threaded_irq(tspi->irq, tegra_spi_isr, - tegra_spi_isr_thread, IRQF_ONESHOT, - dev_name(&pdev->dev), tspi); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n", - tspi->irq); - goto exit_free_master; - } tspi->clk = devm_clk_get(&pdev->dev, "spi"); if (IS_ERR(tspi->clk)) { dev_err(&pdev->dev, "can not get clock\n"); ret = PTR_ERR(tspi->clk); - goto exit_free_irq; + goto exit_free_master; } tspi->rst = devm_reset_control_get_exclusive(&pdev->dev, "spi"); if (IS_ERR(tspi->rst)) { dev_err(&pdev->dev, "can not get reset\n"); ret = PTR_ERR(tspi->rst); - goto exit_free_irq; + goto exit_free_master; } tspi->max_buf_size = SPI_FIFO_DEPTH << 2; @@ -1095,7 +1087,7 @@ static int tegra_spi_probe(struct platform_device *pdev) ret = tegra_spi_init_dma_param(tspi, true); if (ret < 0) - goto exit_free_irq; + goto exit_free_master; ret = tegra_spi_init_dma_param(tspi, false); if (ret < 0) goto exit_rx_dma_free; @@ -1117,18 +1109,32 @@ static int tegra_spi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret); goto exit_pm_disable; } + + reset_control_assert(tspi->rst); + udelay(2); + reset_control_deassert(tspi->rst); tspi->def_command1_reg = SPI_M_S; tegra_spi_writel(tspi, tspi->def_command1_reg, SPI_COMMAND1); pm_runtime_put(&pdev->dev); + ret = request_threaded_irq(tspi->irq, tegra_spi_isr, + tegra_spi_isr_thread, IRQF_ONESHOT, + dev_name(&pdev->dev), tspi); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n", + tspi->irq); + goto exit_pm_disable; + } master->dev.of_node = pdev->dev.of_node; ret = devm_spi_register_master(&pdev->dev, master); if (ret < 0) { dev_err(&pdev->dev, "can not register to master err %d\n", ret); - goto exit_pm_disable; + goto exit_free_irq; } return ret; +exit_free_irq: + free_irq(spi_irq, tspi); exit_pm_disable: pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) @@ -1136,8 +1142,6 @@ exit_pm_disable: tegra_spi_deinit_dma_param(tspi, false); exit_rx_dma_free: tegra_spi_deinit_dma_param(tspi, true); -exit_free_irq: - free_irq(spi_irq, tspi); exit_free_master: spi_master_put(master); return ret; diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 97d137591b18..4389ab80c23e 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -1294,18 +1294,27 @@ static void pch_free_dma_buf(struct pch_spi_board_data *board_dat, dma->rx_buf_virt, dma->rx_buf_dma); } -static void pch_alloc_dma_buf(struct pch_spi_board_data *board_dat, +static int pch_alloc_dma_buf(struct pch_spi_board_data *board_dat, struct pch_spi_data *data) { struct pch_spi_dma_ctrl *dma; + int ret; dma = &data->dma; + ret = 0; /* Get Consistent memory for Tx DMA */ dma->tx_buf_virt = dma_alloc_coherent(&board_dat->pdev->dev, PCH_BUF_SIZE, &dma->tx_buf_dma, GFP_KERNEL); + if (!dma->tx_buf_virt) + ret = -ENOMEM; + /* Get Consistent memory for Rx DMA */ dma->rx_buf_virt = dma_alloc_coherent(&board_dat->pdev->dev, PCH_BUF_SIZE, &dma->rx_buf_dma, GFP_KERNEL); + if (!dma->rx_buf_virt) + ret = -ENOMEM; + + return ret; } static int pch_spi_pd_probe(struct platform_device *plat_dev) @@ -1382,7 +1391,9 @@ static int pch_spi_pd_probe(struct platform_device *plat_dev) if (use_dma) { dev_info(&plat_dev->dev, "Use DMA for data transfers\n"); - pch_alloc_dma_buf(board_dat, data); + ret = pch_alloc_dma_buf(board_dat, data); + if (ret) + goto err_spi_register_master; } ret = spi_register_master(master); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index f611024c5e5e..cf1bc7a5876b 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -984,6 +984,8 @@ static int spi_map_msg(struct spi_controller *ctlr, struct spi_message *msg) if (max_tx || max_rx) { list_for_each_entry(xfer, &msg->transfers, transfer_list) { + if (!xfer->len) + continue; if (!xfer->tx_buf) xfer->tx_buf = ctlr->dummy_tx; if (!xfer->rx_buf) diff --git a/drivers/ssb/bridge_pcmcia_80211.c b/drivers/ssb/bridge_pcmcia_80211.c index f51f150307df..ffa379efff83 100644 --- a/drivers/ssb/bridge_pcmcia_80211.c +++ b/drivers/ssb/bridge_pcmcia_80211.c @@ -113,16 +113,21 @@ static struct pcmcia_driver ssb_host_pcmcia_driver = { .resume = ssb_host_pcmcia_resume, }; +static int pcmcia_init_failed; + /* * These are not module init/exit functions! * The module_pcmcia_driver() helper cannot be used here. */ int ssb_host_pcmcia_init(void) { - return pcmcia_register_driver(&ssb_host_pcmcia_driver); + pcmcia_init_failed = pcmcia_register_driver(&ssb_host_pcmcia_driver); + + return pcmcia_init_failed; } void ssb_host_pcmcia_exit(void) { - pcmcia_unregister_driver(&ssb_host_pcmcia_driver); + if (!pcmcia_init_failed) + pcmcia_unregister_driver(&ssb_host_pcmcia_driver); } diff --git a/drivers/staging/media/davinci_vpfe/Kconfig b/drivers/staging/media/davinci_vpfe/Kconfig index aea449a8dbf8..76818cc48ddc 100644 --- a/drivers/staging/media/davinci_vpfe/Kconfig +++ b/drivers/staging/media/davinci_vpfe/Kconfig @@ -1,7 +1,7 @@ config VIDEO_DM365_VPFE tristate "DM365 VPFE Media Controller Capture Driver" depends on VIDEO_V4L2 - depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || COMPILE_TEST + depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || (COMPILE_TEST && !ARCH_OMAP1) depends on VIDEO_V4L2_SUBDEV_API depends on VIDEO_DAVINCI_VPBE_DISPLAY select VIDEOBUF2_DMA_CONTIG diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c index b26c805c46c0..85e881e454b4 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c @@ -235,6 +235,9 @@ vchiq_platform_init_state(VCHIQ_STATE_T *state) struct vchiq_2835_state *platform_state; state->platform_state = kzalloc(sizeof(*platform_state), GFP_KERNEL); + if (!state->platform_state) + return VCHIQ_ERROR; + platform_state = (struct vchiq_2835_state *)state->platform_state; platform_state->inited = 1; @@ -440,9 +443,18 @@ create_pagelist(char __user *buf, size_t count, unsigned short type) int dma_buffers; dma_addr_t dma_addr; + if (count >= INT_MAX - PAGE_SIZE) + return NULL; + offset = ((unsigned int)(unsigned long)buf & (PAGE_SIZE - 1)); num_pages = DIV_ROUND_UP(count + offset, PAGE_SIZE); + if (num_pages > (SIZE_MAX - sizeof(PAGELIST_T) - + sizeof(struct vchiq_pagelist_info)) / + (sizeof(u32) + sizeof(pages[0]) + + sizeof(struct scatterlist))) + return NULL; + pagelist_size = sizeof(PAGELIST_T) + (num_pages * sizeof(u32)) + (num_pages * sizeof(pages[0]) + diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 7642ced31436..63ce567eb6b7 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -2537,6 +2537,8 @@ vchiq_init_state(VCHIQ_STATE_T *state, VCHIQ_SLOT_ZERO_T *slot_zero, local->debug[DEBUG_ENTRIES] = DEBUG_MAX; status = vchiq_platform_init_state(state); + if (status != VCHIQ_SUCCESS) + return VCHIQ_ERROR; /* bring up slot handler thread diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c index 16f7dd266e3b..767ec8184adf 100644 --- a/drivers/staging/wlan-ng/hfa384x_usb.c +++ b/drivers/staging/wlan-ng/hfa384x_usb.c @@ -3119,7 +3119,9 @@ static void hfa384x_usbin_callback(struct urb *urb) break; } + /* Save values from the RX URB before reposting overwrites it. */ urb_status = urb->status; + usbin = (union hfa384x_usbin *)urb->transfer_buffer; if (action != ABORT) { /* Repost the RX URB */ @@ -3136,7 +3138,6 @@ static void hfa384x_usbin_callback(struct urb *urb) /* Note: the check of the sw_support field, the type field doesn't * have bit 12 set like the docs suggest. */ - usbin = (union hfa384x_usbin *)urb->transfer_buffer; type = le16_to_cpu(usbin->type); if (HFA384x_USB_ISRXFRM(type)) { if (action == HANDLE) { diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c index 28fc4ce75edb..8490a1b6b615 100644 --- a/drivers/thunderbolt/icm.c +++ b/drivers/thunderbolt/icm.c @@ -476,6 +476,11 @@ static void add_switch(struct tb_switch *parent_sw, u64 route, goto out; sw->uuid = kmemdup(uuid, sizeof(*uuid), GFP_KERNEL); + if (!sw->uuid) { + tb_sw_warn(sw, "cannot allocate memory for switch\n"); + tb_switch_put(sw); + goto out; + } sw->connection_id = connection_id; sw->connection_key = connection_key; sw->link = link; diff --git a/drivers/thunderbolt/property.c b/drivers/thunderbolt/property.c index 8fe913a95b4a..be3f8b592b05 100644 --- a/drivers/thunderbolt/property.c +++ b/drivers/thunderbolt/property.c @@ -551,6 +551,11 @@ int tb_property_add_data(struct tb_property_dir *parent, const char *key, property->length = size / 4; property->value.data = kzalloc(size, GFP_KERNEL); + if (!property->value.data) { + kfree(property); + return -ENOMEM; + } + memcpy(property->value.data, buf, buflen); list_add_tail(&property->list, &parent->properties); @@ -581,7 +586,12 @@ int tb_property_add_text(struct tb_property_dir *parent, const char *key, return -ENOMEM; property->length = size / 4; - property->value.data = kzalloc(size, GFP_KERNEL); + property->value.text = kzalloc(size, GFP_KERNEL); + if (!property->value.text) { + kfree(property); + return -ENOMEM; + } + strcpy(property->value.text, text); list_add_tail(&property->list, &parent->properties); diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index dd9ae6f5d19c..bc7efa6e515d 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -9,15 +9,13 @@ #include <linux/idr.h> #include <linux/nvmem-provider.h> #include <linux/pm_runtime.h> +#include <linux/sched/signal.h> #include <linux/sizes.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include "tb.h" -/* Switch authorization from userspace is serialized by this lock */ -static DEFINE_MUTEX(switch_lock); - /* Switch NVM support */ #define NVM_DEVID 0x05 @@ -253,8 +251,8 @@ static int tb_switch_nvm_write(void *priv, unsigned int offset, void *val, struct tb_switch *sw = priv; int ret = 0; - if (mutex_lock_interruptible(&switch_lock)) - return -ERESTARTSYS; + if (!mutex_trylock(&sw->tb->lock)) + return restart_syscall(); /* * Since writing the NVM image might require some special steps, @@ -274,7 +272,7 @@ static int tb_switch_nvm_write(void *priv, unsigned int offset, void *val, memcpy(sw->nvm->buf + offset, val, bytes); unlock: - mutex_unlock(&switch_lock); + mutex_unlock(&sw->tb->lock); return ret; } @@ -363,10 +361,7 @@ static int tb_switch_nvm_add(struct tb_switch *sw) } nvm->non_active = nvm_dev; - mutex_lock(&switch_lock); sw->nvm = nvm; - mutex_unlock(&switch_lock); - return 0; err_nvm_active: @@ -383,10 +378,8 @@ static void tb_switch_nvm_remove(struct tb_switch *sw) { struct tb_switch_nvm *nvm; - mutex_lock(&switch_lock); nvm = sw->nvm; sw->nvm = NULL; - mutex_unlock(&switch_lock); if (!nvm) return; @@ -717,8 +710,8 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val) { int ret = -EINVAL; - if (mutex_lock_interruptible(&switch_lock)) - return -ERESTARTSYS; + if (!mutex_trylock(&sw->tb->lock)) + return restart_syscall(); if (sw->authorized) goto unlock; @@ -761,7 +754,7 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val) } unlock: - mutex_unlock(&switch_lock); + mutex_unlock(&sw->tb->lock); return ret; } @@ -818,15 +811,15 @@ static ssize_t key_show(struct device *dev, struct device_attribute *attr, struct tb_switch *sw = tb_to_switch(dev); ssize_t ret; - if (mutex_lock_interruptible(&switch_lock)) - return -ERESTARTSYS; + if (!mutex_trylock(&sw->tb->lock)) + return restart_syscall(); if (sw->key) ret = sprintf(buf, "%*phN\n", TB_SWITCH_KEY_SIZE, sw->key); else ret = sprintf(buf, "\n"); - mutex_unlock(&switch_lock); + mutex_unlock(&sw->tb->lock); return ret; } @@ -843,8 +836,8 @@ static ssize_t key_store(struct device *dev, struct device_attribute *attr, else if (hex2bin(key, buf, sizeof(key))) return -EINVAL; - if (mutex_lock_interruptible(&switch_lock)) - return -ERESTARTSYS; + if (!mutex_trylock(&sw->tb->lock)) + return restart_syscall(); if (sw->authorized) { ret = -EBUSY; @@ -859,7 +852,7 @@ static ssize_t key_store(struct device *dev, struct device_attribute *attr, } } - mutex_unlock(&switch_lock); + mutex_unlock(&sw->tb->lock); return ret; } static DEVICE_ATTR(key, 0600, key_show, key_store); @@ -905,8 +898,8 @@ static ssize_t nvm_authenticate_store(struct device *dev, bool val; int ret; - if (mutex_lock_interruptible(&switch_lock)) - return -ERESTARTSYS; + if (!mutex_trylock(&sw->tb->lock)) + return restart_syscall(); /* If NVMem devices are not yet added */ if (!sw->nvm) { @@ -954,7 +947,7 @@ static ssize_t nvm_authenticate_store(struct device *dev, } exit_unlock: - mutex_unlock(&switch_lock); + mutex_unlock(&sw->tb->lock); if (ret) return ret; @@ -968,8 +961,8 @@ static ssize_t nvm_version_show(struct device *dev, struct tb_switch *sw = tb_to_switch(dev); int ret; - if (mutex_lock_interruptible(&switch_lock)) - return -ERESTARTSYS; + if (!mutex_trylock(&sw->tb->lock)) + return restart_syscall(); if (sw->safe_mode) ret = -ENODATA; @@ -978,7 +971,7 @@ static ssize_t nvm_version_show(struct device *dev, else ret = sprintf(buf, "%x.%x\n", sw->nvm->major, sw->nvm->minor); - mutex_unlock(&switch_lock); + mutex_unlock(&sw->tb->lock); return ret; } @@ -1296,13 +1289,14 @@ int tb_switch_configure(struct tb_switch *sw) return tb_plug_events_active(sw, true); } -static void tb_switch_set_uuid(struct tb_switch *sw) +static int tb_switch_set_uuid(struct tb_switch *sw) { u32 uuid[4]; - int cap; + int cap, ret; + ret = 0; if (sw->uuid) - return; + return ret; /* * The newer controllers include fused UUID as part of link @@ -1310,7 +1304,9 @@ static void tb_switch_set_uuid(struct tb_switch *sw) */ cap = tb_switch_find_vse_cap(sw, TB_VSE_CAP_LINK_CONTROLLER); if (cap > 0) { - tb_sw_read(sw, uuid, TB_CFG_SWITCH, cap + 3, 4); + ret = tb_sw_read(sw, uuid, TB_CFG_SWITCH, cap + 3, 4); + if (ret) + return ret; } else { /* * ICM generates UUID based on UID and fills the upper @@ -1325,6 +1321,9 @@ static void tb_switch_set_uuid(struct tb_switch *sw) } sw->uuid = kmemdup(uuid, sizeof(uuid), GFP_KERNEL); + if (!sw->uuid) + ret = -ENOMEM; + return ret; } static int tb_switch_add_dma_port(struct tb_switch *sw) @@ -1374,7 +1373,9 @@ static int tb_switch_add_dma_port(struct tb_switch *sw) if (status) { tb_sw_info(sw, "switch flash authentication failed\n"); - tb_switch_set_uuid(sw); + ret = tb_switch_set_uuid(sw); + if (ret) + return ret; nvm_set_auth_status(sw, status); } @@ -1424,7 +1425,9 @@ int tb_switch_add(struct tb_switch *sw) } tb_sw_info(sw, "uid: %#llx\n", sw->uid); - tb_switch_set_uuid(sw); + ret = tb_switch_set_uuid(sw); + if (ret) + return ret; for (i = 0; i <= sw->config.max_port_number; i++) { if (sw->ports[i].disabled) { diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 5067d69d0501..7a0ee9836a8a 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -79,8 +79,7 @@ struct tb_switch_nvm { * @depth: Depth in the chain this switch is connected (ICM only) * * When the switch is being added or removed to the domain (other - * switches) you need to have domain lock held. For switch authorization - * internal switch_lock is enough. + * switches) you need to have domain lock held. */ struct tb_switch { struct device dev; diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c index db8bece63327..befe75490697 100644 --- a/drivers/thunderbolt/xdomain.c +++ b/drivers/thunderbolt/xdomain.c @@ -743,6 +743,7 @@ static void enumerate_services(struct tb_xdomain *xd) struct tb_service *svc; struct tb_property *p; struct device *dev; + int id; /* * First remove all services that are not available anymore in @@ -771,7 +772,12 @@ static void enumerate_services(struct tb_xdomain *xd) break; } - svc->id = ida_simple_get(&xd->service_ids, 0, 0, GFP_KERNEL); + id = ida_simple_get(&xd->service_ids, 0, 0, GFP_KERNEL); + if (id < 0) { + kfree(svc); + break; + } + svc->id = id; svc->dev.bus = &tb_bus_type; svc->dev.type = &tb_service_type; svc->dev.parent = &xd->dev; diff --git a/drivers/tty/ipwireless/main.c b/drivers/tty/ipwireless/main.c index 3475e841ef5c..4c18bbfe1a92 100644 --- a/drivers/tty/ipwireless/main.c +++ b/drivers/tty/ipwireless/main.c @@ -114,6 +114,10 @@ static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data) ipw->common_memory = ioremap(p_dev->resource[2]->start, resource_size(p_dev->resource[2])); + if (!ipw->common_memory) { + ret = -ENOMEM; + goto exit1; + } if (!request_mem_region(p_dev->resource[2]->start, resource_size(p_dev->resource[2]), IPWIRELESS_PCCARD_NAME)) { @@ -134,6 +138,10 @@ static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data) ipw->attr_memory = ioremap(p_dev->resource[3]->start, resource_size(p_dev->resource[3])); + if (!ipw->attr_memory) { + ret = -ENOMEM; + goto exit3; + } if (!request_mem_region(p_dev->resource[3]->start, resource_size(p_dev->resource[3]), IPWIRELESS_PCCARD_NAME)) { diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 4c4070a202fb..38c48a02b920 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -576,7 +576,7 @@ static int max310x_set_ref_clk(struct device *dev, struct max310x_port *s, } /* Configure clock source */ - clksrc = xtal ? MAX310X_CLKSRC_CRYST_BIT : MAX310X_CLKSRC_EXTCLK_BIT; + clksrc = MAX310X_CLKSRC_EXTCLK_BIT | (xtal ? MAX310X_CLKSRC_CRYST_BIT : 0); /* Configure PLL */ if (pllcfg) { diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 736b74fd6623..0f41b936da03 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -860,6 +860,7 @@ static void msm_handle_tx(struct uart_port *port) struct circ_buf *xmit = &msm_port->uart.state->xmit; struct msm_dma *dma = &msm_port->tx_dma; unsigned int pio_count, dma_count, dma_min; + char buf[4] = { 0 }; void __iomem *tf; int err = 0; @@ -869,10 +870,12 @@ static void msm_handle_tx(struct uart_port *port) else tf = port->membase + UART_TF; + buf[0] = port->x_char; + if (msm_port->is_uartdm) msm_reset_dm_count(port, 1); - iowrite8_rep(tf, &port->x_char, 1); + iowrite32_rep(tf, buf, 1); port->icount.tx++; port->x_char = 0; return; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 03fe3fb4bff6..040832635a64 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1542,6 +1542,13 @@ static void sci_request_dma(struct uart_port *port) dev_dbg(port->dev, "%s: port %d\n", __func__, port->line); + /* + * DMA on console may interfere with Kernel log messages which use + * plain putchar(). So, simply don't use it with a console. + */ + if (uart_console(port)) + return; + if (!port->dev->of_node) return; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index f93b948acfa5..d673e3592662 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1059,6 +1059,13 @@ static void visual_init(struct vc_data *vc, int num, int init) vc->vc_screenbuf_size = vc->vc_rows * vc->vc_size_row; } + +static void visual_deinit(struct vc_data *vc) +{ + vc->vc_sw->con_deinit(vc); + module_put(vc->vc_sw->owner); +} + int vc_allocate(unsigned int currcons) /* return 0 on success */ { struct vt_notifier_param param; @@ -1106,6 +1113,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ return 0; err_free: + visual_deinit(vc); kfree(vc); vc_cons[currcons].d = NULL; return -ENOMEM; @@ -1334,9 +1342,8 @@ struct vc_data *vc_deallocate(unsigned int currcons) param.vc = vc = vc_cons[currcons].d; atomic_notifier_call_chain(&vt_notifier_list, VT_DEALLOCATE, ¶m); vcs_remove_sysfs(currcons); - vc->vc_sw->con_deinit(vc); + visual_deinit(vc); put_pid(vc->vt_pid); - module_put(vc->vc_sw->owner); vc_uniscr_set(vc, NULL); kfree(vc->vc_screenbuf); vc_cons[currcons].d = NULL; diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 7b5cb28ffb35..e723ddd79bcf 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -936,8 +936,8 @@ int usb_get_bos_descriptor(struct usb_device *dev) /* Get BOS descriptor */ ret = usb_get_descriptor(dev, USB_DT_BOS, 0, bos, USB_DT_BOS_SIZE); - if (ret < USB_DT_BOS_SIZE) { - dev_err(ddev, "unable to get BOS descriptor\n"); + if (ret < USB_DT_BOS_SIZE || bos->bLength < USB_DT_BOS_SIZE) { + dev_err(ddev, "unable to get BOS descriptor or descriptor too short\n"); if (ret >= 0) ret = -ENOMSG; kfree(bos); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 1c21955fe7c0..b82a7d787add 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -3017,6 +3017,9 @@ usb_hcd_platform_shutdown(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); + /* No need for pm_runtime_put(), we're shutting down */ + pm_runtime_get_sync(&dev->dev); + if (hcd->driver->shutdown) hcd->driver->shutdown(hcd); } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index e7aa6a841f43..0b658893dcfd 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -5823,7 +5823,10 @@ int usb_reset_device(struct usb_device *udev) cintf->needs_binding = 1; } } - usb_unbind_and_rebind_marked_interfaces(udev); + + /* If the reset failed, hub_wq will unbind drivers later */ + if (ret == 0) + usb_unbind_and_rebind_marked_interfaces(udev); } usb_autosuspend_device(udev); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 8bc35d53408b..6082b008969b 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -209,6 +209,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Microsoft LifeCam-VX700 v2.0 */ { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Microsoft Surface Dock Ethernet (RTL8153 GigE) */ + { USB_DEVICE(0x045e, 0x07c6), .driver_info = USB_QUIRK_NO_LPM }, + /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */ { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 138261efe744..3f68edde0f03 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -675,13 +675,11 @@ static unsigned int dwc2_gadget_get_chain_limit(struct dwc2_hsotg_ep *hs_ep) unsigned int maxsize; if (is_isoc) - maxsize = hs_ep->dir_in ? DEV_DMA_ISOC_TX_NBYTES_LIMIT : - DEV_DMA_ISOC_RX_NBYTES_LIMIT; + maxsize = (hs_ep->dir_in ? DEV_DMA_ISOC_TX_NBYTES_LIMIT : + DEV_DMA_ISOC_RX_NBYTES_LIMIT) * + MAX_DMA_DESC_NUM_HS_ISOC; else - maxsize = DEV_DMA_NBYTES_LIMIT; - - /* Above size of one descriptor was chosen, multiple it */ - maxsize *= MAX_DMA_DESC_NUM_GENERIC; + maxsize = DEV_DMA_NBYTES_LIMIT * MAX_DMA_DESC_NUM_GENERIC; return maxsize; } @@ -864,7 +862,7 @@ static int dwc2_gadget_fill_isoc_desc(struct dwc2_hsotg_ep *hs_ep, /* Update index of last configured entry in the chain */ hs_ep->next_desc++; - if (hs_ep->next_desc >= MAX_DMA_DESC_NUM_GENERIC) + if (hs_ep->next_desc >= MAX_DMA_DESC_NUM_HS_ISOC) hs_ep->next_desc = 0; return 0; @@ -896,7 +894,7 @@ static void dwc2_gadget_start_isoc_ddma(struct dwc2_hsotg_ep *hs_ep) } /* Initialize descriptor chain by Host Busy status */ - for (i = 0; i < MAX_DMA_DESC_NUM_GENERIC; i++) { + for (i = 0; i < MAX_DMA_DESC_NUM_HS_ISOC; i++) { desc = &hs_ep->desc_list[i]; desc->status = 0; desc->status |= (DEV_DMA_BUFF_STS_HBUSY @@ -2083,7 +2081,7 @@ static void dwc2_gadget_complete_isoc_request_ddma(struct dwc2_hsotg_ep *hs_ep) dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); hs_ep->compl_desc++; - if (hs_ep->compl_desc > (MAX_DMA_DESC_NUM_GENERIC - 1)) + if (hs_ep->compl_desc > (MAX_DMA_DESC_NUM_HS_ISOC - 1)) hs_ep->compl_desc = 0; desc_sts = hs_ep->desc_list[hs_ep->compl_desc].status; } @@ -3791,6 +3789,7 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep, unsigned int i, val, size; int ret = 0; unsigned char ep_type; + int desc_num; dev_dbg(hsotg->dev, "%s: ep %s: a 0x%02x, attr 0x%02x, mps 0x%04x, intr %d\n", @@ -3837,11 +3836,15 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep, dev_dbg(hsotg->dev, "%s: read DxEPCTL=0x%08x from 0x%08x\n", __func__, epctrl, epctrl_reg); + if (using_desc_dma(hsotg) && ep_type == USB_ENDPOINT_XFER_ISOC) + desc_num = MAX_DMA_DESC_NUM_HS_ISOC; + else + desc_num = MAX_DMA_DESC_NUM_GENERIC; + /* Allocate DMA descriptor chain for non-ctrl endpoints */ if (using_desc_dma(hsotg) && !hs_ep->desc_list) { hs_ep->desc_list = dmam_alloc_coherent(hsotg->dev, - MAX_DMA_DESC_NUM_GENERIC * - sizeof(struct dwc2_dma_desc), + desc_num * sizeof(struct dwc2_dma_desc), &hs_ep->desc_list_dma, GFP_ATOMIC); if (!hs_ep->desc_list) { ret = -ENOMEM; @@ -3983,7 +3986,7 @@ error1: error2: if (ret && using_desc_dma(hsotg) && hs_ep->desc_list) { - dmam_free_coherent(hsotg->dev, MAX_DMA_DESC_NUM_GENERIC * + dmam_free_coherent(hsotg->dev, desc_num * sizeof(struct dwc2_dma_desc), hs_ep->desc_list, hs_ep->desc_list_dma); hs_ep->desc_list = NULL; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 4d5c7dda8f54..05b9ccff7447 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1591,6 +1591,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_suspend(dwc); spin_unlock_irqrestore(&dwc->lock, flags); + synchronize_irq(dwc->irq_gadget); dwc3_core_exit(dwc); break; case DWC3_GCTL_PRTCAP_HOST: @@ -1623,6 +1624,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_suspend(dwc); spin_unlock_irqrestore(&dwc->lock, flags); + synchronize_irq(dwc->irq_gadget); } dwc3_otg_exit(dwc); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 524104eed8a7..65ba1038b111 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -3277,8 +3277,6 @@ int dwc3_gadget_suspend(struct dwc3 *dwc) dwc3_disconnect_gadget(dwc); __dwc3_gadget_stop(dwc); - synchronize_irq(dwc->irq_gadget); - return 0; } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index f054464347c9..b62953ee0fc6 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -656,6 +656,7 @@ static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci, struct device *dev = xhci_to_hcd(xhci)->self.controller; struct xhci_segment *seg = td->bounce_seg; struct urb *urb = td->urb; + size_t len; if (!ring || !seg || !urb) return; @@ -666,11 +667,14 @@ static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci, return; } - /* for in tranfers we need to copy the data from bounce to sg */ - sg_pcopy_from_buffer(urb->sg, urb->num_mapped_sgs, seg->bounce_buf, - seg->bounce_len, seg->bounce_offs); dma_unmap_single(dev, seg->bounce_dma, ring->bounce_buf_len, DMA_FROM_DEVICE); + /* for in tranfers we need to copy the data from bounce to sg */ + len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs, seg->bounce_buf, + seg->bounce_len, seg->bounce_offs); + if (len != seg->bounce_len) + xhci_warn(xhci, "WARN Wrong bounce buffer read length: %zu != %d\n", + len, seg->bounce_len); seg->bounce_len = 0; seg->bounce_offs = 0; } @@ -3104,6 +3108,7 @@ static int xhci_align_td(struct xhci_hcd *xhci, struct urb *urb, u32 enqd_len, unsigned int unalign; unsigned int max_pkt; u32 new_buff_len; + size_t len; max_pkt = usb_endpoint_maxp(&urb->ep->desc); unalign = (enqd_len + *trb_buff_len) % max_pkt; @@ -3134,8 +3139,12 @@ static int xhci_align_td(struct xhci_hcd *xhci, struct urb *urb, u32 enqd_len, /* create a max max_pkt sized bounce buffer pointed to by last trb */ if (usb_urb_dir_out(urb)) { - sg_pcopy_to_buffer(urb->sg, urb->num_mapped_sgs, + len = sg_pcopy_to_buffer(urb->sg, urb->num_sgs, seg->bounce_buf, new_buff_len, enqd_len); + if (len != seg->bounce_len) + xhci_warn(xhci, + "WARN Wrong bounce buffer write length: %zu != %d\n", + len, seg->bounce_len); seg->bounce_dma = dma_map_single(dev, seg->bounce_buf, max_pkt, DMA_TO_DEVICE); } else { diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index dae3be1b9c8f..f30b065095fa 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -9,6 +9,7 @@ */ #include <linux/pci.h> +#include <linux/iopoll.h> #include <linux/irq.h> #include <linux/log2.h> #include <linux/module.h> @@ -52,7 +53,6 @@ static bool td_on_ring(struct xhci_td *td, struct xhci_ring *ring) return false; } -/* TODO: copied from ehci-hcd.c - can this be refactored? */ /* * xhci_handshake - spin reading hc until handshake completes or fails * @ptr: address of hc register to be read @@ -69,18 +69,16 @@ static bool td_on_ring(struct xhci_td *td, struct xhci_ring *ring) int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, int usec) { u32 result; + int ret; - do { - result = readl(ptr); - if (result == ~(u32)0) /* card removed */ - return -ENODEV; - result &= mask; - if (result == done) - return 0; - udelay(1); - usec--; - } while (usec > 0); - return -ETIMEDOUT; + ret = readl_poll_timeout_atomic(ptr, result, + (result & mask) == done || + result == U32_MAX, + 1, usec); + if (result == U32_MAX) /* card removed */ + return -ENODEV; + + return ret; } /* @@ -4289,7 +4287,6 @@ static int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, pm_addr = ports[port_num]->addr + PORTPMSC; pm_val = readl(pm_addr); hlpm_addr = ports[port_num]->addr + PORTHLPMC; - field = le32_to_cpu(udev->bos->ext_cap->bmAttributes); xhci_dbg(xhci, "%s port %d USB2 hardware LPM\n", enable ? "enable" : "disable", port_num + 1); @@ -4301,6 +4298,7 @@ static int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, * default one which works with mixed HIRD and BESL * systems. See XHCI_DEFAULT_BESL definition in xhci.h */ + field = le32_to_cpu(udev->bos->ext_cap->bmAttributes); if ((field & USB_BESL_SUPPORT) && (field & USB_BESL_BASELINE_VALID)) hird = USB_GET_BESL_BASELINE(field); diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index 7b9adeb3e7aa..a32d61a79ab8 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -86,9 +86,22 @@ static int close_rio(struct inode *inode, struct file *file) { struct rio_usb_data *rio = &rio_instance; - rio->isopen = 0; + /* against disconnect() */ + mutex_lock(&rio500_mutex); + mutex_lock(&(rio->lock)); - dev_info(&rio->rio_dev->dev, "Rio closed.\n"); + rio->isopen = 0; + if (!rio->present) { + /* cleanup has been delayed */ + kfree(rio->ibuf); + kfree(rio->obuf); + rio->ibuf = NULL; + rio->obuf = NULL; + } else { + dev_info(&rio->rio_dev->dev, "Rio closed.\n"); + } + mutex_unlock(&(rio->lock)); + mutex_unlock(&rio500_mutex); return 0; } @@ -447,15 +460,23 @@ static int probe_rio(struct usb_interface *intf, { struct usb_device *dev = interface_to_usbdev(intf); struct rio_usb_data *rio = &rio_instance; - int retval; + int retval = 0; - dev_info(&intf->dev, "USB Rio found at address %d\n", dev->devnum); + mutex_lock(&rio500_mutex); + if (rio->present) { + dev_info(&intf->dev, "Second USB Rio at address %d refused\n", dev->devnum); + retval = -EBUSY; + goto bail_out; + } else { + dev_info(&intf->dev, "USB Rio found at address %d\n", dev->devnum); + } retval = usb_register_dev(intf, &usb_rio_class); if (retval) { dev_err(&dev->dev, "Not able to get a minor for this device.\n"); - return -ENOMEM; + retval = -ENOMEM; + goto bail_out; } rio->rio_dev = dev; @@ -464,7 +485,8 @@ static int probe_rio(struct usb_interface *intf, dev_err(&dev->dev, "probe_rio: Not enough memory for the output buffer\n"); usb_deregister_dev(intf, &usb_rio_class); - return -ENOMEM; + retval = -ENOMEM; + goto bail_out; } dev_dbg(&intf->dev, "obuf address:%p\n", rio->obuf); @@ -473,7 +495,8 @@ static int probe_rio(struct usb_interface *intf, "probe_rio: Not enough memory for the input buffer\n"); usb_deregister_dev(intf, &usb_rio_class); kfree(rio->obuf); - return -ENOMEM; + retval = -ENOMEM; + goto bail_out; } dev_dbg(&intf->dev, "ibuf address:%p\n", rio->ibuf); @@ -481,8 +504,10 @@ static int probe_rio(struct usb_interface *intf, usb_set_intfdata (intf, rio); rio->present = 1; +bail_out: + mutex_unlock(&rio500_mutex); - return 0; + return retval; } static void disconnect_rio(struct usb_interface *intf) diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 3198d0477cf8..c4f6ac5f035e 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -3029,6 +3029,13 @@ static int sisusb_probe(struct usb_interface *intf, mutex_init(&(sisusb->lock)); + sisusb->sisusb_dev = dev; + sisusb->vrambase = SISUSB_PCI_MEMBASE; + sisusb->mmiobase = SISUSB_PCI_MMIOBASE; + sisusb->mmiosize = SISUSB_PCI_MMIOSIZE; + sisusb->ioportbase = SISUSB_PCI_IOPORTBASE; + /* Everything else is zero */ + /* Register device */ retval = usb_register_dev(intf, &usb_sisusb_class); if (retval) { @@ -3039,13 +3046,7 @@ static int sisusb_probe(struct usb_interface *intf, goto error_1; } - sisusb->sisusb_dev = dev; - sisusb->minor = intf->minor; - sisusb->vrambase = SISUSB_PCI_MEMBASE; - sisusb->mmiobase = SISUSB_PCI_MMIOBASE; - sisusb->mmiosize = SISUSB_PCI_MMIOSIZE; - sisusb->ioportbase = SISUSB_PCI_IOPORTBASE; - /* Everything else is zero */ + sisusb->minor = intf->minor; /* Allocate buffers */ sisusb->ibufsize = SISUSB_IBUF_SIZE; diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index c0d6ff1baa72..7931e6cecc70 100644 --- a/drivers/usb/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -301,9 +301,17 @@ static int stub_probe(struct usb_device *udev) const char *udev_busid = dev_name(&udev->dev); struct bus_id_priv *busid_priv; int rc = 0; + char save_status; dev_dbg(&udev->dev, "Enter probe\n"); + /* Not sure if this is our device. Allocate here to avoid + * calling alloc while holding busid_table lock. + */ + sdev = stub_device_alloc(udev); + if (!sdev) + return -ENOMEM; + /* check we should claim or not by busid_table */ busid_priv = get_busid_priv(udev_busid); if (!busid_priv || (busid_priv->status == STUB_BUSID_REMOV) || @@ -318,6 +326,9 @@ static int stub_probe(struct usb_device *udev) * See driver_probe_device() in driver/base/dd.c */ rc = -ENODEV; + if (!busid_priv) + goto sdev_free; + goto call_put_busid_priv; } @@ -337,12 +348,6 @@ static int stub_probe(struct usb_device *udev) goto call_put_busid_priv; } - /* ok, this is my device */ - sdev = stub_device_alloc(udev); - if (!sdev) { - rc = -ENOMEM; - goto call_put_busid_priv; - } dev_info(&udev->dev, "usbip-host: register new device (bus %u dev %u)\n", @@ -352,9 +357,16 @@ static int stub_probe(struct usb_device *udev) /* set private data to usb_device */ dev_set_drvdata(&udev->dev, sdev); + busid_priv->sdev = sdev; busid_priv->udev = udev; + save_status = busid_priv->status; + busid_priv->status = STUB_BUSID_ALLOC; + + /* release the busid_lock */ + put_busid_priv(busid_priv); + /* * Claim this hub port. * It doesn't matter what value we pass as owner @@ -372,10 +384,8 @@ static int stub_probe(struct usb_device *udev) dev_err(&udev->dev, "stub_add_files for %s\n", udev_busid); goto err_files; } - busid_priv->status = STUB_BUSID_ALLOC; - rc = 0; - goto call_put_busid_priv; + return 0; err_files: usb_hub_release_port(udev->parent, udev->portnum, @@ -384,23 +394,30 @@ err_port: dev_set_drvdata(&udev->dev, NULL); usb_put_dev(udev); + /* we already have busid_priv, just lock busid_lock */ + spin_lock(&busid_priv->busid_lock); busid_priv->sdev = NULL; - stub_device_free(sdev); + busid_priv->status = save_status; + spin_unlock(&busid_priv->busid_lock); + /* lock is released - go to free */ + goto sdev_free; call_put_busid_priv: + /* release the busid_lock */ put_busid_priv(busid_priv); + +sdev_free: + stub_device_free(sdev); + return rc; } static void shutdown_busid(struct bus_id_priv *busid_priv) { - if (busid_priv->sdev && !busid_priv->shutdown_busid) { - busid_priv->shutdown_busid = 1; - usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED); + usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED); - /* wait for the stop of the event handler */ - usbip_stop_eh(&busid_priv->sdev->ud); - } + /* wait for the stop of the event handler */ + usbip_stop_eh(&busid_priv->sdev->ud); } /* @@ -427,11 +444,16 @@ static void stub_disconnect(struct usb_device *udev) /* get stub_device */ if (!sdev) { dev_err(&udev->dev, "could not get device"); - goto call_put_busid_priv; + /* release busid_lock */ + put_busid_priv(busid_priv); + return; } dev_set_drvdata(&udev->dev, NULL); + /* release busid_lock before call to remove device files */ + put_busid_priv(busid_priv); + /* * NOTE: rx/tx threads are invoked for each usb_device. */ @@ -442,27 +464,36 @@ static void stub_disconnect(struct usb_device *udev) (struct usb_dev_state *) udev); if (rc) { dev_dbg(&udev->dev, "unable to release port\n"); - goto call_put_busid_priv; + return; } /* If usb reset is called from event handler */ if (usbip_in_eh(current)) - goto call_put_busid_priv; + return; + + /* we already have busid_priv, just lock busid_lock */ + spin_lock(&busid_priv->busid_lock); + if (!busid_priv->shutdown_busid) + busid_priv->shutdown_busid = 1; + /* release busid_lock */ + spin_unlock(&busid_priv->busid_lock); /* shutdown the current connection */ shutdown_busid(busid_priv); usb_put_dev(sdev->udev); + /* we already have busid_priv, just lock busid_lock */ + spin_lock(&busid_priv->busid_lock); /* free sdev */ busid_priv->sdev = NULL; stub_device_free(sdev); if (busid_priv->status == STUB_BUSID_ALLOC) busid_priv->status = STUB_BUSID_ADDED; - -call_put_busid_priv: - put_busid_priv(busid_priv); + /* release busid_lock */ + spin_unlock(&busid_priv->busid_lock); + return; } #ifdef CONFIG_PM diff --git a/drivers/video/fbdev/core/fbcmap.c b/drivers/video/fbdev/core/fbcmap.c index 68a113594808..2811c4afde01 100644 --- a/drivers/video/fbdev/core/fbcmap.c +++ b/drivers/video/fbdev/core/fbcmap.c @@ -94,6 +94,8 @@ int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags) int size = len * sizeof(u16); int ret = -ENOMEM; + flags |= __GFP_NOWARN; + if (cmap->len != len) { fb_dealloc_cmap(cmap); if (!len) diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 5d961e3ac66e..b96d4e779333 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -1237,7 +1237,7 @@ finished: if (free_font) vc->vc_font.data = NULL; - if (vc->vc_hi_font_mask) + if (vc->vc_hi_font_mask && vc->vc_screenbuf) set_vc_hi_font(vc, false); if (!con_is_bound(&fb_con)) diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c index 283d9307df21..ac049871704d 100644 --- a/drivers/video/fbdev/core/modedb.c +++ b/drivers/video/fbdev/core/modedb.c @@ -935,6 +935,9 @@ void fb_var_to_videomode(struct fb_videomode *mode, if (var->vmode & FB_VMODE_DOUBLE) vtotal *= 2; + if (!htotal || !vtotal) + return; + hfreq = pixclock/htotal; mode->refresh = hfreq/vtotal; } diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index fd02e8a4841d..9f39f0c360e0 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -464,7 +464,8 @@ static int efifb_probe(struct platform_device *dev) info->apertures->ranges[0].base = efifb_fix.smem_start; info->apertures->ranges[0].size = size_remap; - if (!efi_mem_desc_lookup(efifb_fix.smem_start, &md)) { + if (efi_enabled(EFI_BOOT) && + !efi_mem_desc_lookup(efifb_fix.smem_start, &md)) { if ((efifb_fix.smem_start + efifb_fix.smem_len) > (md.phys_addr + (md.num_pages << EFI_PAGE_SHIFT))) { pr_err("efifb: video memory @ 0x%lx spans multiple EFI memory regions\n", diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index 2001910fd241..5a0d6fb02bbc 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -1659,7 +1659,7 @@ static int dlfb_usb_probe(struct usb_interface *intf, dlfb = kzalloc(sizeof(*dlfb), GFP_KERNEL); if (!dlfb) { dev_err(&intf->dev, "%s: failed to allocate dlfb\n", __func__); - goto error; + return -ENOMEM; } INIT_LIST_HEAD(&dlfb->deferred_free); @@ -1769,7 +1769,7 @@ static int dlfb_usb_probe(struct usb_interface *intf, error: if (dlfb->info) { dlfb_ops_destroy(dlfb->info); - } else if (dlfb) { + } else { usb_put_dev(dlfb->udev); kfree(dlfb); } @@ -1796,12 +1796,10 @@ static void dlfb_usb_disconnect(struct usb_interface *intf) /* this function will wait for all in-flight urbs to complete */ dlfb_free_urb_list(dlfb); - if (info) { - /* remove udlfb's sysfs interfaces */ - for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++) - device_remove_file(info->dev, &fb_device_attrs[i]); - device_remove_bin_file(info->dev, &edid_attr); - } + /* remove udlfb's sysfs interfaces */ + for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++) + device_remove_file(info->dev, &fb_device_attrs[i]); + device_remove_bin_file(info->dev, &edid_attr); unregister_framebuffer(info); } diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index ea4a08b83fa0..787966f44589 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -127,8 +127,6 @@ void xen_pcibk_reset_device(struct pci_dev *dev) if (pci_is_enabled(dev)) pci_disable_device(dev); - pci_write_config_word(dev, PCI_COMMAND, 0); - dev->is_busmaster = 0; } else { pci_read_config_word(dev, PCI_COMMAND, &cmd); diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 2a4f52c7be22..ac6c383d6314 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -710,7 +710,7 @@ out: * read tree blocks and add keys where required. */ static int add_missing_keys(struct btrfs_fs_info *fs_info, - struct preftrees *preftrees) + struct preftrees *preftrees, bool lock) { struct prelim_ref *ref; struct extent_buffer *eb; @@ -735,12 +735,14 @@ static int add_missing_keys(struct btrfs_fs_info *fs_info, free_extent_buffer(eb); return -EIO; } - btrfs_tree_read_lock(eb); + if (lock) + btrfs_tree_read_lock(eb); if (btrfs_header_level(eb) == 0) btrfs_item_key_to_cpu(eb, &ref->key_for_search, 0); else btrfs_node_key_to_cpu(eb, &ref->key_for_search, 0); - btrfs_tree_read_unlock(eb); + if (lock) + btrfs_tree_read_unlock(eb); free_extent_buffer(eb); prelim_ref_insert(fs_info, &preftrees->indirect, ref, NULL); cond_resched(); @@ -1225,7 +1227,7 @@ again: btrfs_release_path(path); - ret = add_missing_keys(fs_info, &preftrees); + ret = add_missing_keys(fs_info, &preftrees, path->skip_locking == 0); if (ret) goto out; @@ -1286,11 +1288,14 @@ again: ret = -EIO; goto out; } - btrfs_tree_read_lock(eb); - btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + if (!path->skip_locking) { + btrfs_tree_read_lock(eb); + btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + } ret = find_extent_in_eb(eb, bytenr, *extent_item_pos, &eie, ignore_offset); - btrfs_tree_read_unlock_blocking(eb); + if (!path->skip_locking) + btrfs_tree_read_unlock_blocking(eb); free_extent_buffer(eb); if (ret < 0) goto out; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 809c2c307c64..0cc800d22a08 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3911,8 +3911,7 @@ static int create_space_info(struct btrfs_fs_info *info, u64 flags) info->space_info_kobj, "%s", alloc_name(space_info->flags)); if (ret) { - percpu_counter_destroy(&space_info->total_bytes_pinned); - kfree(space_info); + kobject_put(&space_info->kobj); return ret; } @@ -10789,9 +10788,9 @@ int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info, * held back allocations. */ static int btrfs_trim_free_extents(struct btrfs_device *device, - struct fstrim_range *range, u64 *trimmed) + u64 minlen, u64 *trimmed) { - u64 start = range->start, len = 0; + u64 start = 0, len = 0; int ret; *trimmed = 0; @@ -10834,8 +10833,8 @@ static int btrfs_trim_free_extents(struct btrfs_device *device, if (!trans) up_read(&fs_info->commit_root_sem); - ret = find_free_dev_extent_start(trans, device, range->minlen, - start, &start, &len); + ret = find_free_dev_extent_start(trans, device, minlen, start, + &start, &len); if (trans) { up_read(&fs_info->commit_root_sem); btrfs_put_transaction(trans); @@ -10848,16 +10847,6 @@ static int btrfs_trim_free_extents(struct btrfs_device *device, break; } - /* If we are out of the passed range break */ - if (start > range->start + range->len - 1) { - mutex_unlock(&fs_info->chunk_mutex); - ret = 0; - break; - } - - start = max(range->start, start); - len = min(range->len, len); - ret = btrfs_issue_discard(device->bdev, start, len, &bytes); mutex_unlock(&fs_info->chunk_mutex); @@ -10867,10 +10856,6 @@ static int btrfs_trim_free_extents(struct btrfs_device *device, start += len; *trimmed += bytes; - /* We've trimmed enough */ - if (*trimmed >= range->len) - break; - if (fatal_signal_pending(current)) { ret = -ERESTARTSYS; break; @@ -10954,7 +10939,8 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range) mutex_lock(&fs_info->fs_devices->device_list_mutex); devices = &fs_info->fs_devices->devices; list_for_each_entry(device, devices, dev_list) { - ret = btrfs_trim_free_extents(device, range, &group_trimmed); + ret = btrfs_trim_free_extents(device, range->minlen, + &group_trimmed); if (ret) { dev_failed++; dev_ret = ret; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index ca4902c66dc4..e24c0a69ff5d 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2059,6 +2059,18 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) u64 len; /* + * If the inode needs a full sync, make sure we use a full range to + * avoid log tree corruption, due to hole detection racing with ordered + * extent completion for adjacent ranges, and assertion failures during + * hole detection. + */ + if (test_bit(BTRFS_INODE_NEEDS_FULL_SYNC, + &BTRFS_I(inode)->runtime_flags)) { + start = 0; + end = LLONG_MAX; + } + + /* * The range length can be represented by u64, we have to do the typecasts * to avoid signed overflow if it's [0, LLONG_MAX] eg. from fsync() */ @@ -2565,10 +2577,8 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend, &cached_state); - if (ret) { - inode_unlock(inode); + if (ret) goto out_only_mutex; - } path = btrfs_alloc_path(); if (!path) { @@ -3151,6 +3161,7 @@ static long btrfs_fallocate(struct file *file, int mode, ret = btrfs_qgroup_reserve_data(inode, &data_reserved, cur_offset, last_byte - cur_offset); if (ret < 0) { + cur_offset = last_byte; free_extent_map(em); break; } @@ -3200,7 +3211,7 @@ out: /* Let go of our reservation. */ if (ret != 0 && !(mode & FALLOC_FL_ZERO_RANGE)) btrfs_free_reserved_data_space(inode, data_reserved, - alloc_start, alloc_end - cur_offset); + cur_offset, alloc_end - cur_offset); extent_changeset_free(data_reserved); return ret; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 59f361f7d0c1..c1cd3fe2b295 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6426,8 +6426,18 @@ int btrfs_add_link(struct btrfs_trans_handle *trans, btrfs_i_size_write(parent_inode, parent_inode->vfs_inode.i_size + name_len * 2); inode_inc_iversion(&parent_inode->vfs_inode); - parent_inode->vfs_inode.i_mtime = parent_inode->vfs_inode.i_ctime = - current_time(&parent_inode->vfs_inode); + /* + * If we are replaying a log tree, we do not want to update the mtime + * and ctime of the parent directory with the current time, since the + * log replay procedure is responsible for setting them to their correct + * values (the ones it had when the fsync was done). + */ + if (!test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) { + struct timespec64 now = current_time(&parent_inode->vfs_inode); + + parent_inode->vfs_inode.i_mtime = now; + parent_inode->vfs_inode.i_ctime = now; + } ret = btrfs_update_inode(trans, root, &parent_inode->vfs_inode); if (ret) btrfs_abort_transaction(trans, ret); diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 0526b6c473c7..5d57ed629345 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -4289,27 +4289,36 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start) mutex_lock(&fs_info->cleaner_mutex); ret = relocate_block_group(rc); mutex_unlock(&fs_info->cleaner_mutex); - if (ret < 0) { + if (ret < 0) err = ret; - goto out; - } - - if (rc->extents_found == 0) - break; - - btrfs_info(fs_info, "found %llu extents", rc->extents_found); + /* + * We may have gotten ENOSPC after we already dirtied some + * extents. If writeout happens while we're relocating a + * different block group we could end up hitting the + * BUG_ON(rc->stage == UPDATE_DATA_PTRS) in + * btrfs_reloc_cow_block. Make sure we write everything out + * properly so we don't trip over this problem, and then break + * out of the loop if we hit an error. + */ if (rc->stage == MOVE_DATA_EXTENTS && rc->found_file_extent) { ret = btrfs_wait_ordered_range(rc->data_inode, 0, (u64)-1); - if (ret) { + if (ret) err = ret; - goto out; - } invalidate_mapping_pages(rc->data_inode->i_mapping, 0, -1); rc->stage = UPDATE_DATA_PTRS; } + + if (err < 0) + goto out; + + if (rc->extents_found == 0) + break; + + btrfs_info(fs_info, "found %llu extents", rc->extents_found); + } WARN_ON(rc->block_group->pinned > 0); diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 65bda0682928..3228d3b3084a 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -132,16 +132,17 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root return -ENOMEM; ret = btrfs_search_slot(trans, root, key, path, 0, 1); - if (ret < 0) { - btrfs_abort_transaction(trans, ret); + if (ret < 0) goto out; - } - if (ret != 0) { - btrfs_print_leaf(path->nodes[0]); - btrfs_crit(fs_info, "unable to update root key %llu %u %llu", - key->objectid, key->type, key->offset); - BUG_ON(1); + if (ret > 0) { + btrfs_crit(fs_info, + "unable to find root key (%llu %u %llu) in tree %llu", + key->objectid, key->type, key->offset, + root->root_key.objectid); + ret = -EUCLEAN; + btrfs_abort_transaction(trans, ret); + goto out; } l = path->nodes[0]; diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 635e419f2a2d..258392b75048 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -5021,6 +5021,12 @@ static int send_hole(struct send_ctx *sctx, u64 end) if (offset >= sctx->cur_inode_size) return 0; + /* + * Don't go beyond the inode's i_size due to prealloc extents that start + * after the i_size. + */ + end = min_t(u64, end, sctx->cur_inode_size); + if (sctx->flags & BTRFS_SEND_FLAG_NO_FILE_DATA) return send_update_extent(sctx, offset, end - offset); diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 3717c864ba23..aefb0169d46d 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -811,7 +811,12 @@ int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs, fs_devs->fsid_kobj.kset = btrfs_kset; error = kobject_init_and_add(&fs_devs->fsid_kobj, &btrfs_ktype, parent, "%pU", fs_devs->fsid); - return error; + if (error) { + kobject_put(&fs_devs->fsid_kobj); + return error; + } + + return 0; } int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 2f4f0958e5f2..0d5840d20efc 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3038,6 +3038,12 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, log->log_transid = root->log_transid; root->log_start_pid = 0; /* + * Update or create log root item under the root's log_mutex to prevent + * races with concurrent log syncs that can lead to failure to update + * log root item because it was not created yet. + */ + ret = update_log_root(trans, log); + /* * IO has been started, blocks of the log tree have WRITTEN flag set * in their headers. new modifications of the log will be written to * new positions. so it's safe to allow log writers to go in. @@ -3056,8 +3062,6 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, mutex_unlock(&log_root_tree->log_mutex); - ret = update_log_root(trans, log); - mutex_lock(&log_root_tree->log_mutex); if (atomic_dec_and_test(&log_root_tree->log_writers)) { /* atomic_dec_and_test implies a barrier */ @@ -4121,6 +4125,7 @@ fill_holes: *last_extent, 0, 0, len, 0, len, 0, 0, 0); + *last_extent += len; } } } @@ -5307,7 +5312,6 @@ static noinline int check_parent_dirs_for_sync(struct btrfs_trans_handle *trans, { int ret = 0; struct dentry *old_parent = NULL; - struct btrfs_inode *orig_inode = inode; /* * for regular files, if its inode is already on disk, we don't @@ -5327,16 +5331,6 @@ static noinline int check_parent_dirs_for_sync(struct btrfs_trans_handle *trans, } while (1) { - /* - * If we are logging a directory then we start with our inode, - * not our parent's inode, so we need to skip setting the - * logged_trans so that further down in the log code we don't - * think this inode has already been logged. - */ - if (inode != orig_inode) - inode->logged_trans = trans->transid; - smp_mb(); - if (btrfs_must_commit_transaction(trans, inode)) { ret = 1; break; @@ -6065,7 +6059,6 @@ void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans, * if this directory was already logged any new * names for this file/dir will get recorded */ - smp_mb(); if (dir->logged_trans == trans->transid) return; diff --git a/fs/char_dev.c b/fs/char_dev.c index a279c58fe360..8a63cfa29005 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -159,6 +159,12 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor, ret = -EBUSY; goto out; } + + if (new_min < old_min && new_max > old_max) { + ret = -EBUSY; + goto out; + } + } cd->next = *cp; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index d6b45682833b..23cee91ed442 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2988,7 +2988,9 @@ cifs_read_allocate_pages(struct cifs_readdata *rdata, unsigned int nr_pages) } if (rc) { - for (i = 0; i < nr_pages; i++) { + unsigned int nr_page_failed = i; + + for (i = 0; i < nr_page_failed; i++) { put_page(rdata->pages[i]); rdata->pages[i] = NULL; } diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 33afb637e6f8..c181f1621e1a 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -887,7 +887,8 @@ int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon) * not supported error. Client should accept it. */ cifs_dbg(VFS, "Server does not support validate negotiate\n"); - return 0; + rc = 0; + goto out_free_inbuf; } else if (rc != 0) { cifs_dbg(VFS, "validate protocol negotiate failed: %d\n", rc); rc = -EIO; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 67e8aa35197e..05dc5a4ba481 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5596,25 +5596,22 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr) up_write(&EXT4_I(inode)->i_data_sem); ext4_journal_stop(handle); if (error) { - if (orphan) + if (orphan && inode->i_nlink) ext4_orphan_del(NULL, inode); goto err_out; } } - if (!shrink) + if (!shrink) { pagecache_isize_extended(inode, oldsize, inode->i_size); - - /* - * Blocks are going to be removed from the inode. Wait - * for dio in flight. Temporarily disable - * dioread_nolock to prevent livelock. - */ - if (orphan) { - if (!ext4_should_journal_data(inode)) { - inode_dio_wait(inode); - } else - ext4_wait_for_tail_page_commit(inode); + } else { + /* + * Blocks are going to be removed from the inode. Wait + * for dio in flight. + */ + inode_dio_wait(inode); } + if (orphan && ext4_should_journal_data(inode)) + ext4_wait_for_tail_page_commit(inode); down_write(&EXT4_I(inode)->i_mmap_sem); rc = ext4_break_layouts(inode); diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 08314fb42652..4d02e76b648a 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -197,12 +197,14 @@ struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, struct block_device *bdev = sbi->sb->s_bdev; int i; - for (i = 0; i < sbi->s_ndevs; i++) { - if (FDEV(i).start_blk <= blk_addr && - FDEV(i).end_blk >= blk_addr) { - blk_addr -= FDEV(i).start_blk; - bdev = FDEV(i).bdev; - break; + if (f2fs_is_multi_device(sbi)) { + for (i = 0; i < sbi->s_ndevs; i++) { + if (FDEV(i).start_blk <= blk_addr && + FDEV(i).end_blk >= blk_addr) { + blk_addr -= FDEV(i).start_blk; + bdev = FDEV(i).bdev; + break; + } } } if (bio) { @@ -216,6 +218,9 @@ int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr) { int i; + if (!f2fs_is_multi_device(sbi)) + return 0; + for (i = 0; i < sbi->s_ndevs; i++) if (FDEV(i).start_blk <= blkaddr && FDEV(i).end_blk >= blkaddr) return i; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 1f5d5f62bb77..a4b6eacf22ea 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1336,6 +1336,17 @@ static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) } #endif +/* + * Test if the mounted volume is a multi-device volume. + * - For a single regular disk volume, sbi->s_ndevs is 0. + * - For a single zoned disk volume, sbi->s_ndevs is 1. + * - For a multi-device volume, sbi->s_ndevs is always 2 or more. + */ +static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) +{ + return sbi->s_ndevs > 1; +} + /* For write statistics. Suppose sector size is 512 bytes, * and the return value is in kbytes. s is of struct f2fs_sb_info. */ @@ -3455,7 +3466,7 @@ static inline bool f2fs_force_buffered_io(struct inode *inode, int rw) { return (f2fs_post_read_required(inode) || (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS)) || - F2FS_I_SB(inode)->s_ndevs); + f2fs_is_multi_device(F2FS_I_SB(inode))); } #ifdef CONFIG_F2FS_FAULT_INJECTION diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b3f46e3bec17..8d1eb8dec605 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2539,7 +2539,7 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg) sizeof(range))) return -EFAULT; - if (sbi->s_ndevs <= 1 || sbi->s_ndevs - 1 <= range.dev_num || + if (!f2fs_is_multi_device(sbi) || sbi->s_ndevs - 1 <= range.dev_num || sbi->segs_per_sec != 1) { f2fs_msg(sbi->sb, KERN_WARNING, "Can't flush %u in %d for segs_per_sec %u != 1\n", diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 5c8d00422237..d44b57a363ff 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1256,7 +1256,7 @@ void f2fs_build_gc_manager(struct f2fs_sb_info *sbi) sbi->gc_pin_file_threshold = DEF_GC_FAILED_PINNED_FILES; /* give warm/cold data area from slower device */ - if (sbi->s_ndevs && sbi->segs_per_sec == 1) + if (f2fs_is_multi_device(sbi) && sbi->segs_per_sec == 1) SIT_I(sbi)->last_victim[ALLOC_NEXT] = GET_SEGNO(sbi, FDEV(0).end_blk) + 1; } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index ac038563273d..03fa2c4d3d79 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -574,7 +574,7 @@ static int submit_flush_wait(struct f2fs_sb_info *sbi, nid_t ino) int ret = 0; int i; - if (!sbi->s_ndevs) + if (!f2fs_is_multi_device(sbi)) return __submit_flush_wait(sbi, sbi->sb->s_bdev); for (i = 0; i < sbi->s_ndevs; i++) { @@ -640,7 +640,8 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino) return ret; } - if (atomic_inc_return(&fcc->issing_flush) == 1 || sbi->s_ndevs > 1) { + if (atomic_inc_return(&fcc->issing_flush) == 1 || + f2fs_is_multi_device(sbi)) { ret = submit_flush_wait(sbi, ino); atomic_dec(&fcc->issing_flush); @@ -746,7 +747,7 @@ int f2fs_flush_device_cache(struct f2fs_sb_info *sbi) { int ret = 0, i; - if (!sbi->s_ndevs) + if (!f2fs_is_multi_device(sbi)) return 0; for (i = 1; i < sbi->s_ndevs; i++) { @@ -1289,7 +1290,7 @@ static int __queue_discard_cmd(struct f2fs_sb_info *sbi, trace_f2fs_queue_discard(bdev, blkstart, blklen); - if (sbi->s_ndevs) { + if (f2fs_is_multi_device(sbi)) { int devi = f2fs_target_device_index(sbi, blkstart); blkstart -= FDEV(devi).start_blk; @@ -1638,7 +1639,7 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi, block_t lblkstart = blkstart; int devi = 0; - if (sbi->s_ndevs) { + if (f2fs_is_multi_device(sbi)) { devi = f2fs_target_device_index(sbi, blkstart); blkstart -= FDEV(devi).start_blk; } @@ -2971,7 +2972,7 @@ static void update_device_state(struct f2fs_io_info *fio) struct f2fs_sb_info *sbi = fio->sbi; unsigned int devidx; - if (!sbi->s_ndevs) + if (!f2fs_is_multi_device(sbi)) return; devidx = f2fs_target_device_index(sbi, fio->new_blkaddr); diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 9d566e62684c..ccdd8c821abd 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -140,6 +140,7 @@ void gfs2_glock_free(struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; + BUG_ON(atomic_read(&gl->gl_revokes)); rhashtable_remove_fast(&gl_hash_table, &gl->gl_node, ht_parms); smp_mb(); wake_up_glock(gl); @@ -183,15 +184,19 @@ static int demote_ok(const struct gfs2_glock *gl) void gfs2_glock_add_to_lru(struct gfs2_glock *gl) { + if (!(gl->gl_ops->go_flags & GLOF_LRU)) + return; + spin_lock(&lru_lock); - if (!list_empty(&gl->gl_lru)) - list_del_init(&gl->gl_lru); - else + list_del(&gl->gl_lru); + list_add_tail(&gl->gl_lru, &lru_list); + + if (!test_bit(GLF_LRU, &gl->gl_flags)) { + set_bit(GLF_LRU, &gl->gl_flags); atomic_inc(&lru_count); + } - list_add_tail(&gl->gl_lru, &lru_list); - set_bit(GLF_LRU, &gl->gl_flags); spin_unlock(&lru_lock); } @@ -201,7 +206,7 @@ static void gfs2_glock_remove_from_lru(struct gfs2_glock *gl) return; spin_lock(&lru_lock); - if (!list_empty(&gl->gl_lru)) { + if (test_bit(GLF_LRU, &gl->gl_flags)) { list_del_init(&gl->gl_lru); atomic_dec(&lru_count); clear_bit(GLF_LRU, &gl->gl_flags); @@ -1158,8 +1163,7 @@ void gfs2_glock_dq(struct gfs2_holder *gh) !test_bit(GLF_DEMOTE, &gl->gl_flags)) fast_path = 1; } - if (!test_bit(GLF_LFLUSH, &gl->gl_flags) && demote_ok(gl) && - (glops->go_flags & GLOF_LRU)) + if (!test_bit(GLF_LFLUSH, &gl->gl_flags) && demote_ok(gl)) gfs2_glock_add_to_lru(gl); trace_gfs2_glock_queue(gh, 0); @@ -1455,6 +1459,7 @@ __acquires(&lru_lock) if (!spin_trylock(&gl->gl_lockref.lock)) { add_back_to_lru: list_add(&gl->gl_lru, &lru_list); + set_bit(GLF_LRU, &gl->gl_flags); atomic_inc(&lru_count); continue; } @@ -1462,7 +1467,6 @@ add_back_to_lru: spin_unlock(&gl->gl_lockref.lock); goto add_back_to_lru; } - clear_bit(GLF_LRU, &gl->gl_flags); gl->gl_lockref.count++; if (demote_ok(gl)) handle_callback(gl, LM_ST_UNLOCKED, 0, false); @@ -1497,6 +1501,7 @@ static long gfs2_scan_glock_lru(int nr) if (!test_bit(GLF_LOCK, &gl->gl_flags)) { list_move(&gl->gl_lru, &dispose); atomic_dec(&lru_count); + clear_bit(GLF_LRU, &gl->gl_flags); freed++; continue; } diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c index ac7caa267ed6..62edf8f5615f 100644 --- a/fs/gfs2/lock_dlm.c +++ b/fs/gfs2/lock_dlm.c @@ -31,9 +31,10 @@ * @delta is the difference between the current rtt sample and the * running average srtt. We add 1/8 of that to the srtt in order to * update the current srtt estimate. The variance estimate is a bit - * more complicated. We subtract the abs value of the @delta from - * the current variance estimate and add 1/4 of that to the running - * total. + * more complicated. We subtract the current variance estimate from + * the abs value of the @delta and add 1/4 of that to the running + * total. That's equivalent to 3/4 of the current variance + * estimate plus 1/4 of the abs of @delta. * * Note that the index points at the array entry containing the smoothed * mean value, and the variance is always in the following entry @@ -49,7 +50,7 @@ static inline void gfs2_update_stats(struct gfs2_lkstats *s, unsigned index, s64 delta = sample - s->stats[index]; s->stats[index] += (delta >> 3); index++; - s->stats[index] += ((abs(delta) - s->stats[index]) >> 2); + s->stats[index] += (s64)(abs(delta) - s->stats[index]) >> 2; } /** diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index ee20ea42e7b5..cd85092723de 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -604,7 +604,8 @@ void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) bd->bd_bh = NULL; bd->bd_ops = &gfs2_revoke_lops; sdp->sd_log_num_revoke++; - atomic_inc(&gl->gl_revokes); + if (atomic_inc_return(&gl->gl_revokes) == 1) + gfs2_glock_hold(gl); set_bit(GLF_LFLUSH, &gl->gl_flags); list_add(&bd->bd_list, &sdp->sd_log_le_revoke); } diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index f2567f958d00..8f99b395d7bf 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -662,8 +662,10 @@ static void revoke_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) bd = list_entry(head->next, struct gfs2_bufdata, bd_list); list_del_init(&bd->bd_list); gl = bd->bd_gl; - atomic_dec(&gl->gl_revokes); - clear_bit(GLF_LFLUSH, &gl->gl_flags); + if (atomic_dec_return(&gl->gl_revokes) == 0) { + clear_bit(GLF_LFLUSH, &gl->gl_flags); + gfs2_glock_queue_put(gl); + } kmem_cache_free(gfs2_bufdata_cachep, bd); } } diff --git a/fs/internal.h b/fs/internal.h index d410186bc369..d109665b9e50 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -80,9 +80,7 @@ extern int sb_prepare_remount_readonly(struct super_block *); extern void __init mnt_init(void); -extern int __mnt_want_write(struct vfsmount *); extern int __mnt_want_write_file(struct file *); -extern void __mnt_drop_write(struct vfsmount *); extern void __mnt_drop_write_file(struct file *); /* diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c index 9846f7e95282..7147e4aebecc 100644 --- a/fs/lockd/xdr.c +++ b/fs/lockd/xdr.c @@ -127,7 +127,7 @@ nlm_decode_lock(__be32 *p, struct nlm_lock *lock) locks_init_lock(fl); fl->fl_owner = current->files; - fl->fl_pid = current->tgid; + fl->fl_pid = (pid_t)lock->svid; fl->fl_flags = FL_POSIX; fl->fl_type = F_RDLCK; /* as good as anything else */ start = ntohl(*p++); @@ -269,7 +269,7 @@ nlmsvc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p) memset(lock, 0, sizeof(*lock)); locks_init_lock(&lock->fl); lock->svid = ~(u32) 0; - lock->fl.fl_pid = current->tgid; + lock->fl.fl_pid = (pid_t)lock->svid; if (!(p = nlm_decode_cookie(p, &argp->cookie)) || !(p = xdr_decode_string_inplace(p, &lock->caller, diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c index 70154f376695..7ed9edf9aed4 100644 --- a/fs/lockd/xdr4.c +++ b/fs/lockd/xdr4.c @@ -119,7 +119,7 @@ nlm4_decode_lock(__be32 *p, struct nlm_lock *lock) locks_init_lock(fl); fl->fl_owner = current->files; - fl->fl_pid = current->tgid; + fl->fl_pid = (pid_t)lock->svid; fl->fl_flags = FL_POSIX; fl->fl_type = F_RDLCK; /* as good as anything else */ p = xdr_decode_hyper(p, &start); @@ -266,7 +266,7 @@ nlm4svc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p) memset(lock, 0, sizeof(*lock)); locks_init_lock(&lock->fl); lock->svid = ~(u32) 0; - lock->fl.fl_pid = current->tgid; + lock->fl.fl_pid = (pid_t)lock->svid; if (!(p = nlm4_decode_cookie(p, &argp->cookie)) || !(p = xdr_decode_string_inplace(p, &lock->caller, diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 751ca65da8a3..c092661147b3 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -290,6 +290,7 @@ static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *dat struct nfs_client *clp; const struct sockaddr *sap = data->addr; struct nfs_net *nn = net_generic(data->net, nfs_net_id); + int error; again: list_for_each_entry(clp, &nn->nfs_client_list, cl_share_link) { @@ -302,9 +303,11 @@ again: if (clp->cl_cons_state > NFS_CS_READY) { refcount_inc(&clp->cl_count); spin_unlock(&nn->nfs_client_lock); - nfs_wait_client_init_complete(clp); + error = nfs_wait_client_init_complete(clp); nfs_put_client(clp); spin_lock(&nn->nfs_client_lock); + if (error < 0) + return ERR_PTR(error); goto again; } @@ -413,6 +416,8 @@ struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init) clp = nfs_match_client(cl_init); if (clp) { spin_unlock(&nn->nfs_client_lock); + if (IS_ERR(clp)) + return clp; if (new) new->rpc_ops->free_client(new); return nfs_found_client(cl_init, clp); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index fed06fd9998d..94f98e190e63 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -329,9 +329,6 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, }; ssize_t err, err2; - if (!nfs_server_capable(file_inode(dst), NFS_CAP_COPY)) - return -EOPNOTSUPP; - src_lock = nfs_get_lock_context(nfs_file_open_context(src)); if (IS_ERR(src_lock)) return PTR_ERR(src_lock); diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 4288a6ecaf75..134858507268 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -133,15 +133,11 @@ static ssize_t nfs4_copy_file_range(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, size_t count, unsigned int flags) { - ssize_t ret; - + if (!nfs_server_capable(file_inode(file_out), NFS_CAP_COPY)) + return -EOPNOTSUPP; if (file_inode(file_in) == file_inode(file_out)) - return -EINVAL; -retry: - ret = nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count); - if (ret == -EAGAIN) - goto retry; - return ret; + return -EOPNOTSUPP; + return nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count); } static loff_t nfs4_file_llseek(struct file *filep, loff_t offset, int whence) diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index b2aadd3e1fec..336f04da80ed 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -260,7 +260,7 @@ static int ovl_instantiate(struct dentry *dentry, struct inode *inode, * hashed directory inode aliases. */ inode = ovl_get_inode(dentry->d_sb, &oip); - if (WARN_ON(IS_ERR(inode))) + if (IS_ERR(inode)) return PTR_ERR(inode); } else { WARN_ON(ovl_inode_real(inode) != d_inode(newdentry)); diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 3b7ed5d2279c..b48273e846ad 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -832,7 +832,7 @@ struct inode *ovl_get_inode(struct super_block *sb, int fsid = bylower ? oip->lowerpath->layer->fsid : 0; bool is_dir, metacopy = false; unsigned long ino = 0; - int err = -ENOMEM; + int err = oip->newinode ? -EEXIST : -ENOMEM; if (!realinode) realinode = d_inode(lowerdentry); @@ -917,6 +917,7 @@ out: return inode; out_err: + pr_warn_ratelimited("overlayfs: failed to get inode (%i)\n", err); inode = ERR_PTR(err); goto out; } diff --git a/include/drm/tinydrm/mipi-dbi.h b/include/drm/tinydrm/mipi-dbi.h index b8ba58861986..bcc98bd447f7 100644 --- a/include/drm/tinydrm/mipi-dbi.h +++ b/include/drm/tinydrm/mipi-dbi.h @@ -42,7 +42,7 @@ struct mipi_dbi { struct spi_device *spi; bool enabled; struct mutex cmdlock; - int (*command)(struct mipi_dbi *mipi, u8 cmd, u8 *param, size_t num); + int (*command)(struct mipi_dbi *mipi, u8 *cmd, u8 *param, size_t num); const u8 *read_commands; struct gpio_desc *dc; u16 *tx_buf; @@ -79,6 +79,7 @@ u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len); int mipi_dbi_command_read(struct mipi_dbi *mipi, u8 cmd, u8 *val); int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len); +int mipi_dbi_command_stackbuf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len); int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, struct drm_clip_rect *clip, bool swap); /** @@ -96,7 +97,7 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, #define mipi_dbi_command(mipi, cmd, seq...) \ ({ \ u8 d[] = { seq }; \ - mipi_dbi_command_buf(mipi, cmd, d, ARRAY_SIZE(d)); \ + mipi_dbi_command_stackbuf(mipi, cmd, d, ARRAY_SIZE(d)); \ }) #ifdef CONFIG_DEBUG_FS diff --git a/include/linux/bio.h b/include/linux/bio.h index 51371740d2a8..c7433a201171 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -257,7 +257,7 @@ static inline void bio_cnt_set(struct bio *bio, unsigned int count) { if (count != 1) { bio->bi_flags |= (1 << BIO_REFFED); - smp_mb__before_atomic(); + smp_mb(); } atomic_set(&bio->__bi_cnt, count); } diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 7ddb1349394d..7ac2e46112b7 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -60,7 +60,7 @@ static __always_inline unsigned long hweight_long(unsigned long w) */ static inline __u64 rol64(__u64 word, unsigned int shift) { - return (word << shift) | (word >> (64 - shift)); + return (word << (shift & 63)) | (word >> ((-shift) & 63)); } /** @@ -70,7 +70,7 @@ static inline __u64 rol64(__u64 word, unsigned int shift) */ static inline __u64 ror64(__u64 word, unsigned int shift) { - return (word >> shift) | (word << (64 - shift)); + return (word >> (shift & 63)) | (word << ((-shift) & 63)); } /** @@ -80,7 +80,7 @@ static inline __u64 ror64(__u64 word, unsigned int shift) */ static inline __u32 rol32(__u32 word, unsigned int shift) { - return (word << shift) | (word >> ((-shift) & 31)); + return (word << (shift & 31)) | (word >> ((-shift) & 31)); } /** @@ -90,7 +90,7 @@ static inline __u32 rol32(__u32 word, unsigned int shift) */ static inline __u32 ror32(__u32 word, unsigned int shift) { - return (word >> shift) | (word << (32 - shift)); + return (word >> (shift & 31)) | (word << ((-shift) & 31)); } /** @@ -100,7 +100,7 @@ static inline __u32 ror32(__u32 word, unsigned int shift) */ static inline __u16 rol16(__u16 word, unsigned int shift) { - return (word << shift) | (word >> (16 - shift)); + return (word << (shift & 15)) | (word >> ((-shift) & 15)); } /** @@ -110,7 +110,7 @@ static inline __u16 rol16(__u16 word, unsigned int shift) */ static inline __u16 ror16(__u16 word, unsigned int shift) { - return (word >> shift) | (word << (16 - shift)); + return (word >> (shift & 15)) | (word << ((-shift) & 15)); } /** @@ -120,7 +120,7 @@ static inline __u16 ror16(__u16 word, unsigned int shift) */ static inline __u8 rol8(__u8 word, unsigned int shift) { - return (word << shift) | (word >> (8 - shift)); + return (word << (shift & 7)) | (word >> ((-shift) & 7)); } /** @@ -130,7 +130,7 @@ static inline __u8 rol8(__u8 word, unsigned int shift) */ static inline __u8 ror8(__u8 word, unsigned int shift) { - return (word >> shift) | (word << (8 - shift)); + return (word >> (shift & 7)) | (word << ((-shift) & 7)); } /** diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 6002275937f5..a6090154b2ab 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -346,6 +346,11 @@ struct cgroup { * Dying cgroups are cgroups which were deleted by a user, * but are still existing because someone else is holding a reference. * max_descendants is a maximum allowed number of descent cgroups. + * + * nr_descendants and nr_dying_descendants are protected + * by cgroup_mutex and css_set_lock. It's fine to read them holding + * any of cgroup_mutex and css_set_lock; for writing both locks + * should be held. */ int nr_descendants; int nr_dying_descendants; diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index a8ff0ca0c321..3ebee1ce6f98 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -201,6 +201,10 @@ #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 #endif +#if GCC_VERSION >= 90100 +#define __copy(symbol) __attribute__((__copy__(symbol))) +#endif + #if !defined(__noclone) #define __noclone /* not needed */ #endif diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 81c2238b884c..bb22908c79e8 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -319,29 +319,14 @@ static inline void *offset_to_ptr(const int *off) #endif #ifndef __compiletime_error # define __compiletime_error(message) -/* - * Sparse complains of variable sized arrays due to the temporary variable in - * __compiletime_assert. Unfortunately we can't just expand it out to make - * sparse see a constant array size without breaking compiletime_assert on old - * versions of GCC (e.g. 4.2.4), so hide the array from sparse altogether. - */ -# ifndef __CHECKER__ -# define __compiletime_error_fallback(condition) \ - do { ((void)sizeof(char[1 - 2 * condition])); } while (0) -# endif -#endif -#ifndef __compiletime_error_fallback -# define __compiletime_error_fallback(condition) do { } while (0) #endif #ifdef __OPTIMIZE__ # define __compiletime_assert(condition, msg, prefix, suffix) \ do { \ - int __cond = !(condition); \ extern void prefix ## suffix(void) __compiletime_error(msg); \ - if (__cond) \ + if (!(condition)) \ prefix ## suffix(); \ - __compiletime_error_fallback(__cond); \ } while (0) #else # define __compiletime_assert(condition, msg, prefix, suffix) do { } while (0) diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index db192becfec4..2b8ed70c4c77 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -151,6 +151,10 @@ struct ftrace_likely_data { #define __assume_aligned(a, ...) #endif +#ifndef asm_volatile_goto +#define asm_volatile_goto(x...) asm goto(x) +#endif + /* Are two types/vars the same type (ignoring qualifiers)? */ #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) @@ -176,6 +180,10 @@ struct ftrace_likely_data { #define __diag_GCC(version, severity, string) #endif +#ifndef __copy +# define __copy(symbol) +#endif + #define __diag_push() __diag(push) #define __diag_pop() __diag(pop) diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index 2fd8006153c3..b3419da1a776 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -2,7 +2,7 @@ #ifndef _DYNAMIC_DEBUG_H #define _DYNAMIC_DEBUG_H -#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) +#if defined(CONFIG_JUMP_LABEL) #include <linux/jump_label.h> #endif @@ -38,7 +38,7 @@ struct _ddebug { #define _DPRINTK_FLAGS_DEFAULT 0 #endif unsigned int flags:8; -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL union { struct static_key_true dd_key_true; struct static_key_false dd_key_false; @@ -83,7 +83,7 @@ void __dynamic_netdev_dbg(struct _ddebug *descriptor, dd_key_init(key, init) \ } -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL #define dd_key_init(key, init) key = (init) diff --git a/include/linux/filter.h b/include/linux/filter.h index 037610845892..d52a7484aeb2 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -684,6 +684,7 @@ static inline void bpf_prog_unlock_ro(struct bpf_prog *fp) static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr) { set_memory_ro((unsigned long)hdr, hdr->pages); + set_memory_x((unsigned long)hdr, hdr->pages); } static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr) @@ -836,6 +837,7 @@ bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk, extern int bpf_jit_enable; extern int bpf_jit_harden; extern int bpf_jit_kallsyms; +extern int bpf_jit_limit; typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index f767293b00e6..f13272d84332 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -596,6 +596,7 @@ struct unixware_disklabel { extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt); extern void blk_free_devt(dev_t devt); +extern void blk_invalidate_devt(dev_t devt); extern dev_t blk_lookup_devt(const char *name, int partno); extern char *disk_name (struct gendisk *hd, int partno, char *buf); diff --git a/include/linux/hid.h b/include/linux/hid.h index d44a78362942..8b3e5e8a72fb 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -414,6 +414,7 @@ struct hid_global { struct hid_local { unsigned usage[HID_MAX_USAGES]; /* usage array */ + u8 usage_size[HID_MAX_USAGES]; /* usage size array */ unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ unsigned usage_index; unsigned usage_minimum; diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h index 730ead1a46df..57c122ae5452 100644 --- a/include/linux/iio/adc/ad_sigma_delta.h +++ b/include/linux/iio/adc/ad_sigma_delta.h @@ -66,6 +66,7 @@ struct ad_sigma_delta { bool irq_dis; bool bus_locked; + bool keep_cs_asserted; uint8_t comm; diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 1a0b6f17a5d6..4c3e77687d4e 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -71,10 +71,6 @@ * Additional babbling in: Documentation/static-keys.txt */ -#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) -# define HAVE_JUMP_LABEL -#endif - #ifndef __ASSEMBLY__ #include <linux/types.h> @@ -86,7 +82,7 @@ extern bool static_key_initialized; "%s(): static key '%pS' used before call to jump_label_init()", \ __func__, (key)) -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL struct static_key { atomic_t enabled; @@ -114,10 +110,10 @@ struct static_key { struct static_key { atomic_t enabled; }; -#endif /* HAVE_JUMP_LABEL */ +#endif /* CONFIG_JUMP_LABEL */ #endif /* __ASSEMBLY__ */ -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL #include <asm/jump_label.h> #endif @@ -130,7 +126,7 @@ enum jump_label_type { struct module; -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL #define JUMP_TYPE_FALSE 0UL #define JUMP_TYPE_TRUE 1UL @@ -184,7 +180,7 @@ extern void static_key_disable_cpuslocked(struct static_key *key); { .enabled = { 0 }, \ { .entries = (void *)JUMP_TYPE_FALSE } } -#else /* !HAVE_JUMP_LABEL */ +#else /* !CONFIG_JUMP_LABEL */ #include <linux/atomic.h> #include <linux/bug.h> @@ -271,7 +267,7 @@ static inline void static_key_disable(struct static_key *key) #define STATIC_KEY_INIT_TRUE { .enabled = ATOMIC_INIT(1) } #define STATIC_KEY_INIT_FALSE { .enabled = ATOMIC_INIT(0) } -#endif /* HAVE_JUMP_LABEL */ +#endif /* CONFIG_JUMP_LABEL */ #define STATIC_KEY_INIT STATIC_KEY_INIT_FALSE #define jump_label_enabled static_key_enabled @@ -335,7 +331,7 @@ extern bool ____wrong_branch_error(void); static_key_count((struct static_key *)x) > 0; \ }) -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL /* * Combine the right initial value (type) with the right branch order @@ -417,12 +413,12 @@ extern bool ____wrong_branch_error(void); unlikely(branch); \ }) -#else /* !HAVE_JUMP_LABEL */ +#else /* !CONFIG_JUMP_LABEL */ #define static_branch_likely(x) likely(static_key_enabled(&(x)->key)) #define static_branch_unlikely(x) unlikely(static_key_enabled(&(x)->key)) -#endif /* HAVE_JUMP_LABEL */ +#endif /* CONFIG_JUMP_LABEL */ /* * Advanced usage; refcount, branch is enabled when: count != 0 diff --git a/include/linux/jump_label_ratelimit.h b/include/linux/jump_label_ratelimit.h index baa8eabbaa56..a49f2b45b3f0 100644 --- a/include/linux/jump_label_ratelimit.h +++ b/include/linux/jump_label_ratelimit.h @@ -5,21 +5,19 @@ #include <linux/jump_label.h> #include <linux/workqueue.h> -#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) +#if defined(CONFIG_JUMP_LABEL) struct static_key_deferred { struct static_key key; unsigned long timeout; struct delayed_work work; }; -#endif -#ifdef HAVE_JUMP_LABEL extern void static_key_slow_dec_deferred(struct static_key_deferred *key); extern void static_key_deferred_flush(struct static_key_deferred *key); extern void jump_label_rate_limit(struct static_key_deferred *key, unsigned long rl); -#else /* !HAVE_JUMP_LABEL */ +#else /* !CONFIG_JUMP_LABEL */ struct static_key_deferred { struct static_key key; }; @@ -38,5 +36,5 @@ jump_label_rate_limit(struct static_key_deferred *key, { STATIC_KEY_CHECK_USE(key); } -#endif /* HAVE_JUMP_LABEL */ +#endif /* CONFIG_JUMP_LABEL */ #endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */ diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h index aa5efd9351eb..d5ceb2839a2d 100644 --- a/include/linux/list_lru.h +++ b/include/linux/list_lru.h @@ -54,6 +54,7 @@ struct list_lru { #ifdef CONFIG_MEMCG_KMEM struct list_head list; int shrinker_id; + bool memcg_aware; #endif }; diff --git a/include/linux/module.h b/include/linux/module.h index 904f94628132..9915397715fc 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -130,13 +130,13 @@ extern void cleanup_module(void); #define module_init(initfn) \ static inline initcall_t __maybe_unused __inittest(void) \ { return initfn; } \ - int init_module(void) __attribute__((alias(#initfn))); + int init_module(void) __copy(initfn) __attribute__((alias(#initfn))); /* This is only required if you want to be unloadable. */ #define module_exit(exitfn) \ static inline exitcall_t __maybe_unused __exittest(void) \ { return exitfn; } \ - void cleanup_module(void) __attribute__((alias(#exitfn))); + void cleanup_module(void) __copy(exitfn) __attribute__((alias(#exitfn))); #endif @@ -433,7 +433,7 @@ struct module { unsigned int num_tracepoints; tracepoint_ptr_t *tracepoints_ptrs; #endif -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL struct jump_entry *jump_entries; unsigned int num_jump_entries; #endif diff --git a/include/linux/mount.h b/include/linux/mount.h index 45b1f56c6c2f..4b0db4418954 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -86,6 +86,8 @@ extern bool mnt_may_suid(struct vfsmount *mnt); struct path; extern struct vfsmount *clone_private_mount(const struct path *path); +extern int __mnt_want_write(struct vfsmount *); +extern void __mnt_drop_write(struct vfsmount *); struct file_system_type; extern struct vfsmount *vfs_kern_mount(struct file_system_type *type, diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index bbe99d2b28b4..72cb19c3db6a 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -176,7 +176,7 @@ void nf_unregister_net_hooks(struct net *net, const struct nf_hook_ops *reg, int nf_register_sockopt(struct nf_sockopt_ops *reg); void nf_unregister_sockopt(struct nf_sockopt_ops *reg); -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL extern struct static_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS]; #endif @@ -198,7 +198,7 @@ static inline int nf_hook(u_int8_t pf, unsigned int hook, struct net *net, struct nf_hook_entries *hook_head = NULL; int ret = 1; -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL if (__builtin_constant_p(pf) && __builtin_constant_p(hook) && !static_key_false(&nf_hooks_needed[pf][hook])) diff --git a/include/linux/netfilter_ingress.h b/include/linux/netfilter_ingress.h index 554c920691dd..a13774be2eb5 100644 --- a/include/linux/netfilter_ingress.h +++ b/include/linux/netfilter_ingress.h @@ -8,7 +8,7 @@ #ifdef CONFIG_NETFILTER_INGRESS static inline bool nf_hook_ingress_active(const struct sk_buff *skb) { -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL if (!static_key_false(&nf_hooks_needed[NFPROTO_NETDEV][NF_NETDEV_INGRESS])) return false; #endif diff --git a/include/linux/of.h b/include/linux/of.h index f2c80cc4641d..d5a863c1ee39 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -968,6 +968,12 @@ static inline int of_cpu_node_to_id(struct device_node *np) #define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) #endif +static inline int of_prop_val_eq(struct property *p1, struct property *p2) +{ + return p1->length == p2->length && + !memcmp(p1->value, p2->value, (size_t)p1->length); +} + #if defined(CONFIG_OF) && defined(CONFIG_NUMA) extern int of_node_to_nid(struct device_node *np); #else diff --git a/include/linux/overflow.h b/include/linux/overflow.h index 40b48e2133cb..15eb85de9226 100644 --- a/include/linux/overflow.h +++ b/include/linux/overflow.h @@ -36,6 +36,12 @@ #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T))) #define type_min(T) ((T)((T)-type_max(T)-(T)1)) +/* + * Avoids triggering -Wtype-limits compilation warning, + * while using unsigned data types to check a < 0. + */ +#define is_non_negative(a) ((a) > 0 || (a) == 0) +#define is_negative(a) (!(is_non_negative(a))) #ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW /* @@ -227,10 +233,10 @@ typeof(d) _d = d; \ u64 _a_full = _a; \ unsigned int _to_shift = \ - _s >= 0 && _s < 8 * sizeof(*d) ? _s : 0; \ + is_non_negative(_s) && _s < 8 * sizeof(*d) ? _s : 0; \ *_d = (_a_full << _to_shift); \ - (_to_shift != _s || *_d < 0 || _a < 0 || \ - (*_d >> _to_shift) != _a); \ + (_to_shift != _s || is_negative(*_d) || is_negative(_a) || \ + (*_d >> _to_shift) != _a); \ }) /** diff --git a/include/linux/siphash.h b/include/linux/siphash.h index fa7a6b9cedbf..bf21591a9e5e 100644 --- a/include/linux/siphash.h +++ b/include/linux/siphash.h @@ -21,6 +21,11 @@ typedef struct { u64 key[2]; } siphash_key_t; +static inline bool siphash_key_is_zero(const siphash_key_t *key) +{ + return !(key->key[0] | key->key[1]); +} + u64 __siphash_aligned(const void *data, size_t len, const siphash_key_t *key); #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key); diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h index d0884b525001..9d1bc65d226c 100644 --- a/include/linux/smpboot.h +++ b/include/linux/smpboot.h @@ -29,7 +29,7 @@ struct smpboot_thread_data; * @thread_comm: The base name of the thread */ struct smp_hotplug_thread { - struct task_struct __percpu **store; + struct task_struct * __percpu *store; struct list_head list; int (*thread_should_run)(unsigned int cpu); void (*thread_fn)(unsigned int cpu); diff --git a/include/linux/time64.h b/include/linux/time64.h index 05634afba0db..4a45aea0f96e 100644 --- a/include/linux/time64.h +++ b/include/linux/time64.h @@ -41,6 +41,17 @@ struct itimerspec64 { #define KTIME_MAX ((s64)~((u64)1 << 63)) #define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC) +/* + * Limits for settimeofday(): + * + * To prevent setting the time close to the wraparound point time setting + * is limited so a reasonable uptime can be accomodated. Uptime of 30 years + * should be really sufficient, which means the cutoff is 2232. At that + * point the cutoff is just a small part of the larger problem. + */ +#define TIME_UPTIME_SEC_MAX (30LL * 365 * 24 *3600) +#define TIME_SETTOD_SEC_MAX (KTIME_SEC_MAX - TIME_UPTIME_SEC_MAX) + static inline int timespec64_equal(const struct timespec64 *a, const struct timespec64 *b) { @@ -108,6 +119,16 @@ static inline bool timespec64_valid_strict(const struct timespec64 *ts) return true; } +static inline bool timespec64_valid_settod(const struct timespec64 *ts) +{ + if (!timespec64_valid(ts)) + return false; + /* Disallow values which cause overflow issues vs. CLOCK_REALTIME */ + if ((unsigned long long)ts->tv_sec >= TIME_SETTOD_SEC_MAX) + return false; + return true; +} + /** * timespec64_to_ns - Convert timespec64 to nanoseconds * @ts: pointer to the timespec64 variable to be converted diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 14bb15a6fbf4..e8907dac97d7 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -551,6 +551,7 @@ struct vb2_queue { unsigned int start_streaming_called:1; unsigned int error:1; unsigned int waiting_for_buffers:1; + unsigned int waiting_in_dqbuf:1; unsigned int is_multiplanar:1; unsigned int is_output:1; unsigned int copy_timestamp:1; diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index cdd9f1fe7cfa..845d947dbae8 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -270,6 +270,7 @@ enum { HCI_FORCE_BREDR_SMP, HCI_FORCE_STATIC_ADDR, HCI_LL_RPA_RESOLUTION, + HCI_CMD_PENDING, __HCI_NUM_FLAGS, }; diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index e47503b4e4d1..622db6bc2f02 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -9,6 +9,7 @@ #include <linux/uidgid.h> #include <net/inet_frag.h> #include <linux/rcupdate.h> +#include <linux/siphash.h> struct tcpm_hash_bucket; struct ctl_table_header; @@ -214,5 +215,6 @@ struct netns_ipv4 { unsigned int ipmr_seq; /* protected by rtnl_mutex */ atomic_t rt_genid; + siphash_key_t ip_id_key; }; #endif diff --git a/include/uapi/linux/tipc_config.h b/include/uapi/linux/tipc_config.h index 4b2c93b1934c..4955e1a9f1bc 100644 --- a/include/uapi/linux/tipc_config.h +++ b/include/uapi/linux/tipc_config.h @@ -307,8 +307,10 @@ static inline int TLV_SET(void *tlv, __u16 type, void *data, __u16 len) tlv_ptr = (struct tlv_desc *)tlv; tlv_ptr->tlv_type = htons(type); tlv_ptr->tlv_len = htons(tlv_len); - if (len && data) - memcpy(TLV_DATA(tlv_ptr), data, tlv_len); + if (len && data) { + memcpy(TLV_DATA(tlv_ptr), data, len); + memset(TLV_DATA(tlv_ptr) + len, 0, TLV_SPACE(len) - tlv_len); + } return TLV_SPACE(len); } @@ -405,8 +407,10 @@ static inline int TCM_SET(void *msg, __u16 cmd, __u16 flags, tcm_hdr->tcm_len = htonl(msg_len); tcm_hdr->tcm_type = htons(cmd); tcm_hdr->tcm_flags = htons(flags); - if (data_len && data) + if (data_len && data) { memcpy(TCM_DATA(msg), data, data_len); + memset(TCM_DATA(msg) + data_len, 0, TCM_SPACE(data_len) - msg_len); + } return TCM_SPACE(data_len); } diff --git a/init/Kconfig b/init/Kconfig index 864af10bb1b9..47035b5a46f6 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -23,6 +23,9 @@ config CLANG_VERSION int default $(shell,$(srctree)/scripts/clang-version.sh $(CC)) +config CC_HAS_ASM_GOTO + def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC)) + config CONSTRUCTORS bool depends on !UML diff --git a/kernel/acct.c b/kernel/acct.c index addf7732fb56..81f9831a7859 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -227,7 +227,7 @@ static int acct_on(struct filename *pathname) filp_close(file, NULL); return PTR_ERR(internal); } - err = mnt_want_write(internal); + err = __mnt_want_write(internal); if (err) { mntput(internal); kfree(acct); @@ -252,7 +252,7 @@ static int acct_on(struct filename *pathname) old = xchg(&ns->bacct, &acct->pin); mutex_unlock(&acct->lock); pin_kill(old); - mnt_drop_write(mnt); + __mnt_drop_write(mnt); mntput(mnt); return 0; } diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index bf309f2592c4..425c67e4f568 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1114,22 +1114,24 @@ int audit_rule_change(int type, int seq, void *data, size_t datasz) int err = 0; struct audit_entry *entry; - entry = audit_data_to_entry(data, datasz); - if (IS_ERR(entry)) - return PTR_ERR(entry); - switch (type) { case AUDIT_ADD_RULE: + entry = audit_data_to_entry(data, datasz); + if (IS_ERR(entry)) + return PTR_ERR(entry); err = audit_add_rule(entry); audit_log_rule_change("add_rule", &entry->rule, !err); break; case AUDIT_DEL_RULE: + entry = audit_data_to_entry(data, datasz); + if (IS_ERR(entry)) + return PTR_ERR(entry); err = audit_del_rule(entry); audit_log_rule_change("remove_rule", &entry->rule, !err); break; default: - err = -EINVAL; WARN_ON(1); + return -EINVAL; } if (err || type == AUDIT_DEL_RULE) { diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 474525e3a9db..bad9985b8a08 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -366,10 +366,13 @@ void bpf_prog_kallsyms_del_all(struct bpf_prog *fp) } #ifdef CONFIG_BPF_JIT +# define BPF_JIT_LIMIT_DEFAULT (PAGE_SIZE * 40000) + /* All BPF JIT sysctl knobs here. */ int bpf_jit_enable __read_mostly = IS_BUILTIN(CONFIG_BPF_JIT_ALWAYS_ON); int bpf_jit_harden __read_mostly; int bpf_jit_kallsyms __read_mostly; +int bpf_jit_limit __read_mostly = BPF_JIT_LIMIT_DEFAULT; static __always_inline void bpf_get_prog_addr_region(const struct bpf_prog *prog, @@ -578,27 +581,64 @@ int bpf_get_kallsym(unsigned int symnum, unsigned long *value, char *type, return ret; } +static atomic_long_t bpf_jit_current; + +#if defined(MODULES_VADDR) +static int __init bpf_jit_charge_init(void) +{ + /* Only used as heuristic here to derive limit. */ + bpf_jit_limit = min_t(u64, round_up((MODULES_END - MODULES_VADDR) >> 2, + PAGE_SIZE), INT_MAX); + return 0; +} +pure_initcall(bpf_jit_charge_init); +#endif + +static int bpf_jit_charge_modmem(u32 pages) +{ + if (atomic_long_add_return(pages, &bpf_jit_current) > + (bpf_jit_limit >> PAGE_SHIFT)) { + if (!capable(CAP_SYS_ADMIN)) { + atomic_long_sub(pages, &bpf_jit_current); + return -EPERM; + } + } + + return 0; +} + +static void bpf_jit_uncharge_modmem(u32 pages) +{ + atomic_long_sub(pages, &bpf_jit_current); +} + struct bpf_binary_header * bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr, unsigned int alignment, bpf_jit_fill_hole_t bpf_fill_ill_insns) { struct bpf_binary_header *hdr; - unsigned int size, hole, start; + u32 size, hole, start, pages; /* Most of BPF filters are really small, but if some of them * fill a page, allow at least 128 extra bytes to insert a * random section of illegal instructions. */ size = round_up(proglen + sizeof(*hdr) + 128, PAGE_SIZE); + pages = size / PAGE_SIZE; + + if (bpf_jit_charge_modmem(pages)) + return NULL; hdr = module_alloc(size); - if (hdr == NULL) + if (!hdr) { + bpf_jit_uncharge_modmem(pages); return NULL; + } /* Fill space with illegal/arch-dep instructions. */ bpf_fill_ill_insns(hdr, size); - hdr->pages = size / PAGE_SIZE; + hdr->pages = pages; hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)), PAGE_SIZE - sizeof(*hdr)); start = (get_random_int() % hole) & ~(alignment - 1); @@ -611,7 +651,10 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr, void bpf_jit_binary_free(struct bpf_binary_header *hdr) { + u32 pages = hdr->pages; + module_memfree(hdr); + bpf_jit_uncharge_modmem(pages); } /* This symbol is only overridden by archs that have different diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 141710b82a6c..2faad033715f 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -164,6 +164,9 @@ static void dev_map_free(struct bpf_map *map) bpf_clear_redirect_map(map); synchronize_rcu(); + /* Make sure prior __dev_map_entry_free() have completed. */ + rcu_barrier(); + /* To ensure all pending flush operations have completed wait for flush * bitmap to indicate all flush_needed bits to be zero on _all_ cpus. * Because the above synchronize_rcu() ensures the map is disconnected diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 63dae7e0ccae..81441117f611 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -4659,9 +4659,11 @@ static void css_release_work_fn(struct work_struct *work) if (cgroup_on_dfl(cgrp)) cgroup_rstat_flush(cgrp); + spin_lock_irq(&css_set_lock); for (tcgrp = cgroup_parent(cgrp); tcgrp; tcgrp = cgroup_parent(tcgrp)) tcgrp->nr_dying_descendants--; + spin_unlock_irq(&css_set_lock); cgroup_idr_remove(&cgrp->root->cgroup_idr, cgrp->id); cgrp->id = -1; @@ -4874,12 +4876,14 @@ static struct cgroup *cgroup_create(struct cgroup *parent) if (ret) goto out_idr_free; + spin_lock_irq(&css_set_lock); for (tcgrp = cgrp; tcgrp; tcgrp = cgroup_parent(tcgrp)) { cgrp->ancestor_ids[tcgrp->level] = tcgrp->id; if (tcgrp != cgrp) tcgrp->nr_descendants++; } + spin_unlock_irq(&css_set_lock); if (notify_on_release(parent)) set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags); @@ -5162,10 +5166,12 @@ static int cgroup_destroy_locked(struct cgroup *cgrp) if (parent && cgroup_is_threaded(cgrp)) parent->nr_threaded_children--; + spin_lock_irq(&css_set_lock); for (tcgrp = cgroup_parent(cgrp); tcgrp; tcgrp = cgroup_parent(tcgrp)) { tcgrp->nr_descendants--; tcgrp->nr_dying_descendants++; } + spin_unlock_irq(&css_set_lock); cgroup1_check_for_release(parent); diff --git a/kernel/irq_work.c b/kernel/irq_work.c index 6b7cdf17ccf8..73288914ed5e 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -56,61 +56,70 @@ void __weak arch_irq_work_raise(void) */ } -/* - * Enqueue the irq_work @work on @cpu unless it's already pending - * somewhere. - * - * Can be re-enqueued while the callback is still in progress. - */ -bool irq_work_queue_on(struct irq_work *work, int cpu) +/* Enqueue on current CPU, work must already be claimed and preempt disabled */ +static void __irq_work_queue_local(struct irq_work *work) { - /* All work should have been flushed before going offline */ - WARN_ON_ONCE(cpu_is_offline(cpu)); - -#ifdef CONFIG_SMP - - /* Arch remote IPI send/receive backend aren't NMI safe */ - WARN_ON_ONCE(in_nmi()); + /* If the work is "lazy", handle it from next tick if any */ + if (work->flags & IRQ_WORK_LAZY) { + if (llist_add(&work->llnode, this_cpu_ptr(&lazy_list)) && + tick_nohz_tick_stopped()) + arch_irq_work_raise(); + } else { + if (llist_add(&work->llnode, this_cpu_ptr(&raised_list))) + arch_irq_work_raise(); + } +} +/* Enqueue the irq work @work on the current CPU */ +bool irq_work_queue(struct irq_work *work) +{ /* Only queue if not already pending */ if (!irq_work_claim(work)) return false; - if (llist_add(&work->llnode, &per_cpu(raised_list, cpu))) - arch_send_call_function_single_ipi(cpu); - -#else /* #ifdef CONFIG_SMP */ - irq_work_queue(work); -#endif /* #else #ifdef CONFIG_SMP */ + /* Queue the entry and raise the IPI if needed. */ + preempt_disable(); + __irq_work_queue_local(work); + preempt_enable(); return true; } +EXPORT_SYMBOL_GPL(irq_work_queue); -/* Enqueue the irq work @work on the current CPU */ -bool irq_work_queue(struct irq_work *work) +/* + * Enqueue the irq_work @work on @cpu unless it's already pending + * somewhere. + * + * Can be re-enqueued while the callback is still in progress. + */ +bool irq_work_queue_on(struct irq_work *work, int cpu) { +#ifndef CONFIG_SMP + return irq_work_queue(work); + +#else /* CONFIG_SMP: */ + /* All work should have been flushed before going offline */ + WARN_ON_ONCE(cpu_is_offline(cpu)); + /* Only queue if not already pending */ if (!irq_work_claim(work)) return false; - /* Queue the entry and raise the IPI if needed. */ preempt_disable(); - - /* If the work is "lazy", handle it from next tick if any */ - if (work->flags & IRQ_WORK_LAZY) { - if (llist_add(&work->llnode, this_cpu_ptr(&lazy_list)) && - tick_nohz_tick_stopped()) - arch_irq_work_raise(); + if (cpu != smp_processor_id()) { + /* Arch remote IPI send/receive backend aren't NMI safe */ + WARN_ON_ONCE(in_nmi()); + if (llist_add(&work->llnode, &per_cpu(raised_list, cpu))) + arch_send_call_function_single_ipi(cpu); } else { - if (llist_add(&work->llnode, this_cpu_ptr(&raised_list))) - arch_irq_work_raise(); + __irq_work_queue_local(work); } - preempt_enable(); return true; +#endif /* CONFIG_SMP */ } -EXPORT_SYMBOL_GPL(irq_work_queue); + bool irq_work_needs_cpu(void) { diff --git a/kernel/jump_label.c b/kernel/jump_label.c index 2e62503bea0d..7c8262635b29 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -18,8 +18,6 @@ #include <linux/cpu.h> #include <asm/sections.h> -#ifdef HAVE_JUMP_LABEL - /* mutex to protect coming/going of the the jump_label table */ static DEFINE_MUTEX(jump_label_mutex); @@ -60,13 +58,13 @@ jump_label_sort_entries(struct jump_entry *start, struct jump_entry *stop) static void jump_label_update(struct static_key *key); /* - * There are similar definitions for the !HAVE_JUMP_LABEL case in jump_label.h. + * There are similar definitions for the !CONFIG_JUMP_LABEL case in jump_label.h. * The use of 'atomic_read()' requires atomic.h and its problematic for some * kernel headers such as kernel.h and others. Since static_key_count() is not - * used in the branch statements as it is for the !HAVE_JUMP_LABEL case its ok + * used in the branch statements as it is for the !CONFIG_JUMP_LABEL case its ok * to have it be a function here. Similarly, for 'static_key_enable()' and * 'static_key_disable()', which require bug.h. This should allow jump_label.h - * to be included from most/all places for HAVE_JUMP_LABEL. + * to be included from most/all places for CONFIG_JUMP_LABEL. */ int static_key_count(struct static_key *key) { @@ -796,5 +794,3 @@ static __init int jump_label_test(void) } early_initcall(jump_label_test); #endif /* STATIC_KEYS_SELFTEST */ - -#endif /* HAVE_JUMP_LABEL */ diff --git a/kernel/module.c b/kernel/module.c index 38bf28b5cc20..b8f37376856b 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1949,8 +1949,13 @@ void module_enable_ro(const struct module *mod, bool after_init) return; frob_text(&mod->core_layout, set_memory_ro); + frob_text(&mod->core_layout, set_memory_x); + frob_rodata(&mod->core_layout, set_memory_ro); + frob_text(&mod->init_layout, set_memory_ro); + frob_text(&mod->init_layout, set_memory_x); + frob_rodata(&mod->init_layout, set_memory_ro); if (after_init) @@ -3095,7 +3100,7 @@ static int find_module_sections(struct module *mod, struct load_info *info) sizeof(*mod->tracepoints_ptrs), &mod->num_tracepoints); #endif -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL mod->jump_entries = section_objs(info, "__jump_table", sizeof(*mod->jump_entries), &mod->num_jump_entries); diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c index 34244523550e..19249b86fb33 100644 --- a/kernel/rcu/rcuperf.c +++ b/kernel/rcu/rcuperf.c @@ -561,6 +561,10 @@ rcu_perf_cleanup(void) if (torture_cleanup_begin()) return; + if (!cur_ops) { + torture_cleanup_end(); + return; + } if (reader_tasks) { for (i = 0; i < nrealreaders; i++) @@ -681,6 +685,7 @@ rcu_perf_init(void) pr_cont(" %s", perf_ops[i]->name); pr_cont("\n"); firsterr = -EINVAL; + cur_ops = NULL; goto unwind; } if (cur_ops->init) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index c596c6f1e457..0b7af7e2bcbb 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1826,6 +1826,10 @@ rcu_torture_cleanup(void) cur_ops->cb_barrier(); return; } + if (!cur_ops) { + torture_cleanup_end(); + return; + } rcu_torture_barrier_cleanup(); torture_stop_kthread(rcu_torture_stall, stall_task); @@ -1964,6 +1968,7 @@ rcu_torture_init(void) pr_cont(" %s", torture_ops[i]->name); pr_cont("\n"); firsterr = -EINVAL; + cur_ops = NULL; goto unwind; } if (cur_ops->fqs == NULL && fqs_duration != 0) { diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d7f409866cdf..6859ea1d5c04 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -24,7 +24,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); -#if defined(CONFIG_SCHED_DEBUG) && defined(HAVE_JUMP_LABEL) +#if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_JUMP_LABEL) /* * Debugging: various feature bits * @@ -6491,6 +6491,8 @@ static void cpu_cgroup_attach(struct cgroup_taskset *tset) static int cpu_shares_write_u64(struct cgroup_subsys_state *css, struct cftype *cftype, u64 shareval) { + if (shareval > scale_load_down(ULONG_MAX)) + shareval = MAX_SHARES; return sched_group_set_shares(css_tg(css), scale_load(shareval)); } @@ -6593,8 +6595,10 @@ int tg_set_cfs_quota(struct task_group *tg, long cfs_quota_us) period = ktime_to_ns(tg->cfs_bandwidth.period); if (cfs_quota_us < 0) quota = RUNTIME_INF; - else + else if ((u64)cfs_quota_us <= U64_MAX / NSEC_PER_USEC) quota = (u64)cfs_quota_us * NSEC_PER_USEC; + else + return -EINVAL; return tg_set_cfs_bandwidth(tg, period, quota); } @@ -6616,6 +6620,9 @@ int tg_set_cfs_period(struct task_group *tg, long cfs_period_us) { u64 quota, period; + if ((u64)cfs_period_us > U64_MAX / NSEC_PER_USEC) + return -EINVAL; + period = (u64)cfs_period_us * NSEC_PER_USEC; quota = tg->cfs_bandwidth.quota; diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 141ea9ff210e..78fadf0438ea 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -73,7 +73,7 @@ static int sched_feat_show(struct seq_file *m, void *v) return 0; } -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL #define jump_label_key__true STATIC_KEY_INIT_TRUE #define jump_label_key__false STATIC_KEY_INIT_FALSE @@ -99,7 +99,7 @@ static void sched_feat_enable(int i) #else static void sched_feat_disable(int i) { }; static void sched_feat_enable(int i) { }; -#endif /* HAVE_JUMP_LABEL */ +#endif /* CONFIG_JUMP_LABEL */ static int sched_feat_set(char *cmp) { diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d31916366d39..4a433608ba74 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4209,7 +4209,7 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued) #ifdef CONFIG_CFS_BANDWIDTH -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL static struct static_key __cfs_bandwidth_used; static inline bool cfs_bandwidth_used(void) @@ -4226,7 +4226,7 @@ void cfs_bandwidth_usage_dec(void) { static_key_slow_dec_cpuslocked(&__cfs_bandwidth_used); } -#else /* HAVE_JUMP_LABEL */ +#else /* CONFIG_JUMP_LABEL */ static bool cfs_bandwidth_used(void) { return true; @@ -4234,7 +4234,7 @@ static bool cfs_bandwidth_used(void) void cfs_bandwidth_usage_inc(void) {} void cfs_bandwidth_usage_dec(void) {} -#endif /* HAVE_JUMP_LABEL */ +#endif /* CONFIG_JUMP_LABEL */ /* * default period for cfs group bandwidth. @@ -9083,22 +9083,26 @@ static inline int on_null_domain(struct rq *rq) * - When one of the busy CPUs notice that there may be an idle rebalancing * needed, they will kick the idle load balancer, which then does idle * load balancing for all the idle CPUs. + * - HK_FLAG_MISC CPUs are used for this task, because HK_FLAG_SCHED not set + * anywhere yet. */ static inline int find_new_ilb(void) { - int ilb = cpumask_first(nohz.idle_cpus_mask); + int ilb; - if (ilb < nr_cpu_ids && idle_cpu(ilb)) - return ilb; + for_each_cpu_and(ilb, nohz.idle_cpus_mask, + housekeeping_cpumask(HK_FLAG_MISC)) { + if (idle_cpu(ilb)) + return ilb; + } return nr_cpu_ids; } /* - * Kick a CPU to do the nohz balancing, if it is time for it. We pick the - * nohz_load_balancer CPU (if there is one) otherwise fallback to any idle - * CPU (if there is one). + * Kick a CPU to do the nohz balancing, if it is time for it. We pick any + * idle CPU in the HK_FLAG_MISC housekeeping set (if there is one). */ static void kick_ilb(unsigned int flags) { diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 2e2955a8cf8f..b980cc96604f 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -2559,6 +2559,8 @@ int sched_group_set_rt_runtime(struct task_group *tg, long rt_runtime_us) rt_runtime = (u64)rt_runtime_us * NSEC_PER_USEC; if (rt_runtime_us < 0) rt_runtime = RUNTIME_INF; + else if ((u64)rt_runtime_us > U64_MAX / NSEC_PER_USEC) + return -EINVAL; return tg_set_rt_bandwidth(tg, rt_period, rt_runtime); } @@ -2579,6 +2581,9 @@ int sched_group_set_rt_period(struct task_group *tg, u64 rt_period_us) { u64 rt_runtime, rt_period; + if (rt_period_us > U64_MAX / NSEC_PER_USEC) + return -EINVAL; + rt_period = rt_period_us * NSEC_PER_USEC; rt_runtime = tg->rt_bandwidth.rt_runtime; diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 4c7a837d7c14..9a7c3d08b39f 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1359,7 +1359,7 @@ enum { #undef SCHED_FEAT -#if defined(CONFIG_SCHED_DEBUG) && defined(HAVE_JUMP_LABEL) +#if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_JUMP_LABEL) /* * To support run-time toggling of sched features, all the translation units @@ -1379,7 +1379,7 @@ static __always_inline bool static_branch_##name(struct static_key *key) \ extern struct static_key sched_feat_keys[__SCHED_FEAT_NR]; #define sched_feat(x) (static_branch_##x(&sched_feat_keys[__SCHED_FEAT_##x])) -#else /* !(SCHED_DEBUG && HAVE_JUMP_LABEL) */ +#else /* !(SCHED_DEBUG && CONFIG_JUMP_LABEL) */ /* * Each translation unit has its own copy of sysctl_sched_features to allow @@ -1395,7 +1395,7 @@ static const_debug __maybe_unused unsigned int sysctl_sched_features = #define sched_feat(x) (sysctl_sched_features & (1UL << __SCHED_FEAT_##x)) -#endif /* SCHED_DEBUG && HAVE_JUMP_LABEL */ +#endif /* SCHED_DEBUG && CONFIG_JUMP_LABEL */ extern struct static_key_false sched_numa_balancing; extern struct static_key_false sched_schedstats; diff --git a/kernel/signal.c b/kernel/signal.c index 9102d60fc5c6..0e6bc3049427 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2436,6 +2436,8 @@ relock: if (signal_group_exit(signal)) { ksig->info.si_signo = signr = SIGKILL; sigdelset(¤t->pending.signal, SIGKILL); + trace_signal_deliver(SIGKILL, SEND_SIG_NOINFO, + &sighand->action[SIGKILL - 1]); recalc_sigpending(); goto fatal; } diff --git a/kernel/time/time.c b/kernel/time/time.c index ccdb351277ee..be057d6579f1 100644 --- a/kernel/time/time.c +++ b/kernel/time/time.c @@ -172,7 +172,7 @@ int do_sys_settimeofday64(const struct timespec64 *tv, const struct timezone *tz static int firsttime = 1; int error = 0; - if (tv && !timespec64_valid(tv)) + if (tv && !timespec64_valid_settod(tv)) return -EINVAL; error = security_settime64(tv, tz); diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 7846ce24ecc0..9a6bfcd22dc6 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -1242,7 +1242,7 @@ int do_settimeofday64(const struct timespec64 *ts) unsigned long flags; int ret = 0; - if (!timespec64_valid_strict(ts)) + if (!timespec64_valid_settod(ts)) return -EINVAL; raw_spin_lock_irqsave(&timekeeper_lock, flags); @@ -1299,7 +1299,7 @@ static int timekeeping_inject_offset(const struct timespec64 *ts) /* Make sure the proposed value is valid */ tmp = timespec64_add(tk_xtime(tk), *ts); if (timespec64_compare(&tk->wall_to_monotonic, ts) > 0 || - !timespec64_valid_strict(&tmp)) { + !timespec64_valid_settod(&tmp)) { ret = -EINVAL; goto error; } @@ -1556,7 +1556,7 @@ void __init timekeeping_init(void) unsigned long flags; read_persistent_wall_and_boot_offset(&wall_time, &boot_offset); - if (timespec64_valid_strict(&wall_time) && + if (timespec64_valid_settod(&wall_time) && timespec64_to_ns(&wall_time) > 0) { persistent_clock_exists = true; } else if (timespec64_to_ns(&wall_time) != 0) { diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index 4ad967453b6f..3ea65cdff30d 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -205,6 +205,8 @@ void trace_likely_condition(struct ftrace_likely_data *f, int val, int expect) void ftrace_likely_update(struct ftrace_likely_data *f, int val, int expect, int is_constant) { + unsigned long flags = user_access_save(); + /* A constant is always correct */ if (is_constant) { f->constant++; @@ -223,6 +225,8 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, f->data.correct++; else f->data.incorrect++; + + user_access_restore(flags); } EXPORT_SYMBOL(ftrace_likely_update); diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 5a1c64a26e81..2fb78467582b 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -427,7 +427,7 @@ predicate_parse(const char *str, int nr_parens, int nr_preds, op_stack = kmalloc_array(nr_parens, sizeof(*op_stack), GFP_KERNEL); if (!op_stack) return ERR_PTR(-ENOMEM); - prog_stack = kmalloc_array(nr_preds, sizeof(*prog_stack), GFP_KERNEL); + prog_stack = kcalloc(nr_preds, sizeof(*prog_stack), GFP_KERNEL); if (!prog_stack) { parse_error(pe, -ENOMEM, 0); goto out_free; @@ -576,7 +576,11 @@ predicate_parse(const char *str, int nr_parens, int nr_preds, out_free: kfree(op_stack); kfree(inverts); - kfree(prog_stack); + if (prog_stack) { + for (i = 0; prog_stack[i].pred; i++) + kfree(prog_stack[i].pred); + kfree(prog_stack); + } return ERR_PTR(ret); } diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index c7c96bc7654a..dbf2b457e47e 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -188,7 +188,7 @@ static int ddebug_change(const struct ddebug_query *query, newflags = (dp->flags & mask) | flags; if (newflags == dp->flags) continue; -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL if (dp->flags & _DPRINTK_FLAGS_PRINT) { if (!(flags & _DPRINTK_FLAGS_PRINT)) static_branch_disable(&dp->key.dd_key_true); diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 63d0816ab23b..7761f3294339 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -464,6 +464,13 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, int i = 0; int retval = 0; + /* + * Mark "remove" event done regardless of result, for some subsystems + * do not want to re-trigger "remove" event via automatic cleanup. + */ + if (action == KOBJ_REMOVE) + kobj->state_remove_uevent_sent = 1; + pr_debug("kobject: '%s' (%p): %s\n", kobject_name(kobj), kobj, __func__); @@ -565,10 +572,6 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, kobj->state_add_uevent_sent = 1; break; - case KOBJ_REMOVE: - kobj->state_remove_uevent_sent = 1; - break; - case KOBJ_UNBIND: zap_modalias_env(env); break; diff --git a/lib/sbitmap.c b/lib/sbitmap.c index fdd1b8aa8ac6..0572ac340325 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -356,7 +356,7 @@ static void sbitmap_queue_update_wake_batch(struct sbitmap_queue *sbq, * to ensure that the batch size is updated before the wait * counts. */ - smp_mb__before_atomic(); + smp_mb(); for (i = 0; i < SBQ_WAIT_QUEUES; i++) atomic_set(&sbq->ws[i].wait_cnt, 1); } diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c index b53e1b5d80f4..e304b54c9c7d 100644 --- a/lib/strncpy_from_user.c +++ b/lib/strncpy_from_user.c @@ -23,10 +23,11 @@ * hit it), 'max' is the address space maximum (and we return * -EFAULT if we hit it). */ -static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max) +static inline long do_strncpy_from_user(char *dst, const char __user *src, + unsigned long count, unsigned long max) { const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - long res = 0; + unsigned long res = 0; /* * Truncate 'max' to the user-specified limit, so that diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c index 60d0bbda8f5e..184f80f7bacf 100644 --- a/lib/strnlen_user.c +++ b/lib/strnlen_user.c @@ -28,7 +28,7 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long max) { const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - long align, res = 0; + unsigned long align, res = 0; unsigned long c; /* @@ -42,7 +42,7 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count, * Do everything aligned. But that means that we * need to also expand the maximum.. */ - align = (sizeof(long) - 1) & (unsigned long)src; + align = (sizeof(unsigned long) - 1) & (unsigned long)src; src -= align; max += align; diff --git a/mm/list_lru.c b/mm/list_lru.c index 5b30625fd365..f0a15d32b959 100644 --- a/mm/list_lru.c +++ b/mm/list_lru.c @@ -37,11 +37,7 @@ static int lru_shrinker_id(struct list_lru *lru) static inline bool list_lru_memcg_aware(struct list_lru *lru) { - /* - * This needs node 0 to be always present, even - * in the systems supporting sparse numa ids. - */ - return !!lru->node[0].memcg_lrus; + return lru->memcg_aware; } static inline struct list_lru_one * @@ -451,6 +447,8 @@ static int memcg_init_list_lru(struct list_lru *lru, bool memcg_aware) { int i; + lru->memcg_aware = memcg_aware; + if (!memcg_aware) return 0; diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index a60bacf7120b..2895e3b26e93 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -1394,7 +1394,6 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, hw_src, &ip_src, hw_dst, &ip_dst, dat_entry->mac_addr, &dat_entry->ip); dropped = true; - goto out; } /* Update our internal cache with both the IP addresses the node got @@ -1403,6 +1402,9 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, batadv_dat_entry_add(bat_priv, ip_src, hw_src, vid); batadv_dat_entry_add(bat_priv, ip_dst, hw_dst, vid); + if (dropped) + goto out; + /* If BLA is enabled, only forward ARP replies if we have claimed the * source of the ARP reply or if no one else of the same backbone has * already claimed that client. This prevents that different gateways diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 69c0d85bceb3..79b8a2d8793e 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -160,6 +160,7 @@ int batadv_mesh_init(struct net_device *soft_iface) spin_lock_init(&bat_priv->tt.commit_lock); spin_lock_init(&bat_priv->gw.list_lock); #ifdef CONFIG_BATMAN_ADV_MCAST + spin_lock_init(&bat_priv->mcast.mla_lock); spin_lock_init(&bat_priv->mcast.want_lists_lock); #endif spin_lock_init(&bat_priv->tvlv.container_list_lock); diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index 86725d792e15..b90fe25d6b0b 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -325,8 +325,6 @@ static void batadv_mcast_mla_list_free(struct hlist_head *mcast_list) * translation table except the ones listed in the given mcast_list. * * If mcast_list is NULL then all are retracted. - * - * Do not call outside of the mcast worker! (or cancel mcast worker first) */ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv, struct hlist_head *mcast_list) @@ -334,8 +332,6 @@ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv, struct batadv_hw_addr *mcast_entry; struct hlist_node *tmp; - WARN_ON(delayed_work_pending(&bat_priv->mcast.work)); - hlist_for_each_entry_safe(mcast_entry, tmp, &bat_priv->mcast.mla_list, list) { if (mcast_list && @@ -359,8 +355,6 @@ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv, * * Adds multicast listener announcements from the given mcast_list to the * translation table if they have not been added yet. - * - * Do not call outside of the mcast worker! (or cancel mcast worker first) */ static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv, struct hlist_head *mcast_list) @@ -368,8 +362,6 @@ static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv, struct batadv_hw_addr *mcast_entry; struct hlist_node *tmp; - WARN_ON(delayed_work_pending(&bat_priv->mcast.work)); - if (!mcast_list) return; @@ -658,7 +650,10 @@ static void batadv_mcast_mla_update(struct work_struct *work) priv_mcast = container_of(delayed_work, struct batadv_priv_mcast, work); bat_priv = container_of(priv_mcast, struct batadv_priv, mcast); + spin_lock(&bat_priv->mcast.mla_lock); __batadv_mcast_mla_update(bat_priv); + spin_unlock(&bat_priv->mcast.mla_lock); + batadv_mcast_start_timer(bat_priv); } diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 343d304851a5..eeee3e61c625 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -1216,6 +1216,11 @@ struct batadv_priv_mcast { unsigned char bridged:1; /** + * @mla_lock: a lock protecting mla_list and mla_flags + */ + spinlock_t mla_lock; + + /** * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP * traffic */ diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index a06f03047717..5afd67ef797a 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4274,6 +4274,9 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status, return; } + /* If we reach this point this event matches the last command sent */ + hci_dev_clear_flag(hdev, HCI_CMD_PENDING); + /* If the command succeeded and there's still more commands in * this request the request is not yet complete. */ @@ -4384,6 +4387,8 @@ static void hci_cmd_work(struct work_struct *work) hdev->sent_cmd = skb_clone(skb, GFP_KERNEL); if (hdev->sent_cmd) { + if (hci_req_status_pend(hdev)) + hci_dev_set_flag(hdev, HCI_CMD_PENDING); atomic_dec(&hdev->cmd_cnt); hci_send_frame(hdev, skb); if (test_bit(HCI_RESET, &hdev->flags)) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 7f800c3480f7..3e7badb3ac2d 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3357,6 +3357,12 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, hci_req_cmd_complete(hdev, *opcode, *status, req_complete, req_complete_skb); + if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { + bt_dev_err(hdev, + "unexpected event for opcode 0x%4.4x", *opcode); + return; + } + if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) queue_work(hdev->workqueue, &hdev->cmd_work); } @@ -3464,6 +3470,12 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, req_complete_skb); + if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { + bt_dev_err(hdev, + "unexpected event for opcode 0x%4.4x", *opcode); + return; + } + if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) queue_work(hdev->workqueue, &hdev->cmd_work); } diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index e8c9ef1e1922..9448ebd3780a 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -46,6 +46,11 @@ void hci_req_purge(struct hci_request *req) skb_queue_purge(&req->cmd_q); } +bool hci_req_status_pend(struct hci_dev *hdev) +{ + return hdev->req_status == HCI_REQ_PEND; +} + static int req_run(struct hci_request *req, hci_req_complete_t complete, hci_req_complete_skb_t complete_skb) { diff --git a/net/bluetooth/hci_request.h b/net/bluetooth/hci_request.h index 692cc8b13368..55b2050cc9ff 100644 --- a/net/bluetooth/hci_request.h +++ b/net/bluetooth/hci_request.h @@ -37,6 +37,7 @@ struct hci_request { void hci_req_init(struct hci_request *req, struct hci_dev *hdev); void hci_req_purge(struct hci_request *req); +bool hci_req_status_pend(struct hci_dev *hdev); int hci_req_run(struct hci_request *req, hci_req_complete_t complete); int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete); void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, diff --git a/net/core/dev.c b/net/core/dev.c index 13a82744a00a..138951d28643 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1821,7 +1821,7 @@ EXPORT_SYMBOL_GPL(net_dec_egress_queue); #endif static DEFINE_STATIC_KEY_FALSE(netstamp_needed_key); -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL static atomic_t netstamp_needed_deferred; static atomic_t netstamp_wanted; static void netstamp_clear(struct work_struct *work) @@ -1840,7 +1840,7 @@ static DECLARE_WORK(netstamp_work, netstamp_clear); void net_enable_timestamp(void) { -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL int wanted; while (1) { @@ -1860,7 +1860,7 @@ EXPORT_SYMBOL(net_enable_timestamp); void net_disable_timestamp(void) { -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL int wanted; while (1) { @@ -5725,7 +5725,6 @@ static struct sk_buff *napi_frags_skb(struct napi_struct *napi) skb_reset_mac_header(skb); skb_gro_reset_offset(skb); - eth = skb_gro_header_fast(skb, 0); if (unlikely(skb_gro_header_hard(skb, hlen))) { eth = skb_gro_header_slow(skb, hlen, 0); if (unlikely(!eth)) { @@ -5735,6 +5734,7 @@ static struct sk_buff *napi_frags_skb(struct napi_struct *napi) return NULL; } } else { + eth = (const struct ethhdr *)skb->data; gro_pull_from_frag0(skb, hlen); NAPI_GRO_CB(skb)->frag0 += hlen; NAPI_GRO_CB(skb)->frag0_len -= hlen; diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index b1a2c5e38530..37b4667128a3 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -279,7 +279,6 @@ static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write, return ret; } -# ifdef CONFIG_HAVE_EBPF_JIT static int proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, @@ -290,7 +289,6 @@ proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write, return proc_dointvec_minmax(table, write, buffer, lenp, ppos); } -# endif #endif static struct ctl_table net_core_table[] = { @@ -397,6 +395,14 @@ static struct ctl_table net_core_table[] = { .extra2 = &one, }, # endif + { + .procname = "bpf_jit_limit", + .data = &bpf_jit_limit, + .maxlen = sizeof(int), + .mode = 0600, + .proc_handler = proc_dointvec_minmax_bpf_restricted, + .extra1 = &one, + }, #endif { .procname = "netdev_tstamp_prequeue", diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 4da39446da2d..d187ee8156a1 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -190,6 +190,17 @@ static void ip_ma_put(struct ip_mc_list *im) pmc != NULL; \ pmc = rtnl_dereference(pmc->next_rcu)) +static void ip_sf_list_clear_all(struct ip_sf_list *psf) +{ + struct ip_sf_list *next; + + while (psf) { + next = psf->sf_next; + kfree(psf); + psf = next; + } +} + #ifdef CONFIG_IP_MULTICAST /* @@ -635,6 +646,13 @@ static void igmpv3_clear_zeros(struct ip_sf_list **ppsf) } } +static void kfree_pmc(struct ip_mc_list *pmc) +{ + ip_sf_list_clear_all(pmc->sources); + ip_sf_list_clear_all(pmc->tomb); + kfree(pmc); +} + static void igmpv3_send_cr(struct in_device *in_dev) { struct ip_mc_list *pmc, *pmc_prev, *pmc_next; @@ -671,7 +689,7 @@ static void igmpv3_send_cr(struct in_device *in_dev) else in_dev->mc_tomb = pmc_next; in_dev_put(pmc->interface); - kfree(pmc); + kfree_pmc(pmc); } else pmc_prev = pmc; } @@ -1201,14 +1219,18 @@ static void igmpv3_del_delrec(struct in_device *in_dev, struct ip_mc_list *im) im->interface = pmc->interface; if (im->sfmode == MCAST_INCLUDE) { im->tomb = pmc->tomb; + pmc->tomb = NULL; + im->sources = pmc->sources; + pmc->sources = NULL; + for (psf = im->sources; psf; psf = psf->sf_next) psf->sf_crcount = in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv; } else { im->crcount = in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv; } in_dev_put(pmc->interface); - kfree(pmc); + kfree_pmc(pmc); } spin_unlock_bh(&im->lock); } @@ -1229,21 +1251,18 @@ static void igmpv3_clear_delrec(struct in_device *in_dev) nextpmc = pmc->next; ip_mc_clear_src(pmc); in_dev_put(pmc->interface); - kfree(pmc); + kfree_pmc(pmc); } /* clear dead sources, too */ rcu_read_lock(); for_each_pmc_rcu(in_dev, pmc) { - struct ip_sf_list *psf, *psf_next; + struct ip_sf_list *psf; spin_lock_bh(&pmc->lock); psf = pmc->tomb; pmc->tomb = NULL; spin_unlock_bh(&pmc->lock); - for (; psf; psf = psf_next) { - psf_next = psf->sf_next; - kfree(psf); - } + ip_sf_list_clear_all(psf); } rcu_read_unlock(); } @@ -2114,7 +2133,7 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode, static void ip_mc_clear_src(struct ip_mc_list *pmc) { - struct ip_sf_list *psf, *nextpsf, *tomb, *sources; + struct ip_sf_list *tomb, *sources; spin_lock_bh(&pmc->lock); tomb = pmc->tomb; @@ -2126,14 +2145,8 @@ static void ip_mc_clear_src(struct ip_mc_list *pmc) pmc->sfcount[MCAST_EXCLUDE] = 1; spin_unlock_bh(&pmc->lock); - for (psf = tomb; psf; psf = nextpsf) { - nextpsf = psf->sf_next; - kfree(psf); - } - for (psf = sources; psf; psf = nextpsf) { - nextpsf = psf->sf_next; - kfree(psf); - } + ip_sf_list_clear_all(tomb); + ip_sf_list_clear_all(sources); } /* Join a multicast group diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 8bacbcd2db90..40bf19f7ae1a 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -500,15 +500,17 @@ EXPORT_SYMBOL(ip_idents_reserve); void __ip_select_ident(struct net *net, struct iphdr *iph, int segs) { - static u32 ip_idents_hashrnd __read_mostly; u32 hash, id; - net_get_random_once(&ip_idents_hashrnd, sizeof(ip_idents_hashrnd)); + /* Note the following code is not safe, but this is okay. */ + if (unlikely(siphash_key_is_zero(&net->ipv4.ip_id_key))) + get_random_bytes(&net->ipv4.ip_id_key, + sizeof(net->ipv4.ip_id_key)); - hash = jhash_3words((__force u32)iph->daddr, + hash = siphash_3u32((__force u32)iph->daddr, (__force u32)iph->saddr, - iph->protocol ^ net_hash_mix(net), - ip_idents_hashrnd); + iph->protocol, + &net->ipv4.ip_id_key); id = ip_idents_reserve(hash, segs); iph->id = htons(id); } diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c index 4fe7c90962dd..868ae23dbae1 100644 --- a/net/ipv6/output_core.c +++ b/net/ipv6/output_core.c @@ -10,15 +10,25 @@ #include <net/secure_seq.h> #include <linux/netfilter.h> -static u32 __ipv6_select_ident(struct net *net, u32 hashrnd, +static u32 __ipv6_select_ident(struct net *net, const struct in6_addr *dst, const struct in6_addr *src) { + const struct { + struct in6_addr dst; + struct in6_addr src; + } __aligned(SIPHASH_ALIGNMENT) combined = { + .dst = *dst, + .src = *src, + }; u32 hash, id; - hash = __ipv6_addr_jhash(dst, hashrnd); - hash = __ipv6_addr_jhash(src, hash); - hash ^= net_hash_mix(net); + /* Note the following code is not safe, but this is okay. */ + if (unlikely(siphash_key_is_zero(&net->ipv4.ip_id_key))) + get_random_bytes(&net->ipv4.ip_id_key, + sizeof(net->ipv4.ip_id_key)); + + hash = siphash(&combined, sizeof(combined), &net->ipv4.ip_id_key); /* Treat id of 0 as unset and if we get 0 back from ip_idents_reserve, * set the hight order instead thus minimizing possible future @@ -41,7 +51,6 @@ static u32 __ipv6_select_ident(struct net *net, u32 hashrnd, */ __be32 ipv6_proxy_select_ident(struct net *net, struct sk_buff *skb) { - static u32 ip6_proxy_idents_hashrnd __read_mostly; struct in6_addr buf[2]; struct in6_addr *addrs; u32 id; @@ -53,11 +62,7 @@ __be32 ipv6_proxy_select_ident(struct net *net, struct sk_buff *skb) if (!addrs) return 0; - net_get_random_once(&ip6_proxy_idents_hashrnd, - sizeof(ip6_proxy_idents_hashrnd)); - - id = __ipv6_select_ident(net, ip6_proxy_idents_hashrnd, - &addrs[1], &addrs[0]); + id = __ipv6_select_ident(net, &addrs[1], &addrs[0]); return htonl(id); } EXPORT_SYMBOL_GPL(ipv6_proxy_select_ident); @@ -66,12 +71,9 @@ __be32 ipv6_select_ident(struct net *net, const struct in6_addr *daddr, const struct in6_addr *saddr) { - static u32 ip6_idents_hashrnd __read_mostly; u32 id; - net_get_random_once(&ip6_idents_hashrnd, sizeof(ip6_idents_hashrnd)); - - id = __ipv6_select_ident(net, ip6_idents_hashrnd, daddr, saddr); + id = __ipv6_select_ident(net, daddr, saddr); return htonl(id); } EXPORT_SYMBOL(ipv6_select_ident); diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 5e0efd3954e9..5833d4af7311 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -288,7 +288,9 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len) /* Binding to link-local address requires an interface */ if (!sk->sk_bound_dev_if) goto out_unlock; + } + if (sk->sk_bound_dev_if) { err = -ENODEV; dev = dev_get_by_index_rcu(sock_net(sk), sk->sk_bound_dev_if); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index bf0940c42810..24f7b2cf504b 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2480,6 +2480,12 @@ static struct rt6_info *__ip6_route_redirect(struct net *net, struct fib6_info *rt; struct fib6_node *fn; + /* l3mdev_update_flow overrides oif if the device is enslaved; in + * this case we must match on the real ingress device, so reset it + */ + if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) + fl6->flowi6_oif = skb->dev->ifindex; + /* Get the "current" route for this destination and * check if the redirect has come from appropriate router. * diff --git a/net/llc/llc_output.c b/net/llc/llc_output.c index 94425e421213..9e4b6bcf6920 100644 --- a/net/llc/llc_output.c +++ b/net/llc/llc_output.c @@ -72,6 +72,8 @@ int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb, rc = llc_mac_hdr_init(skb, skb->dev->dev_addr, dmac); if (likely(!rc)) rc = dev_queue_xmit(skb); + else + kfree_skb(skb); return rc; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 3dbecae4be73..2ac749c4a6b2 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1156,9 +1156,6 @@ static void ieee80211_chswitch_work(struct work_struct *work) goto out; } - /* XXX: shouldn't really modify cfg80211-owned data! */ - ifmgd->associated->channel = sdata->csa_chandef.chan; - ifmgd->csa_waiting_bcn = true; ieee80211_sta_reset_beacon_monitor(sdata); diff --git a/net/netfilter/core.c b/net/netfilter/core.c index dc240cb47ddf..93aaec3a54ec 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -33,7 +33,7 @@ EXPORT_SYMBOL_GPL(nf_ipv6_ops); DEFINE_PER_CPU(bool, nf_skb_duplicated); EXPORT_SYMBOL_GPL(nf_skb_duplicated); -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL struct static_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS]; EXPORT_SYMBOL(nf_hooks_needed); #endif @@ -347,7 +347,7 @@ static int __nf_register_net_hook(struct net *net, int pf, if (pf == NFPROTO_NETDEV && reg->hooknum == NF_NETDEV_INGRESS) net_inc_ingress_queue(); #endif -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL static_key_slow_inc(&nf_hooks_needed[pf][reg->hooknum]); #endif BUG_ON(p == new_hooks); @@ -405,7 +405,7 @@ static void __nf_unregister_net_hook(struct net *net, int pf, if (pf == NFPROTO_NETDEV && reg->hooknum == NF_NETDEV_INGRESS) net_dec_ingress_queue(); #endif -#ifdef HAVE_JUMP_LABEL +#ifdef CONFIG_JUMP_LABEL static_key_slow_dec(&nf_hooks_needed[pf][reg->hooknum]); #endif } else { diff --git a/net/sched/act_api.c b/net/sched/act_api.c index e12f8ef7baa4..7c4a4b874248 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -744,7 +744,7 @@ int tcf_action_dump(struct sk_buff *skb, struct tc_action *actions[], for (i = 0; i < TCA_ACT_MAX_PRIO && actions[i]; i++) { a = actions[i]; - nest = nla_nest_start(skb, a->order); + nest = nla_nest_start(skb, i + 1); if (nest == NULL) goto nla_put_failure; err = tcf_action_dump_1(skb, a, bind, ref); @@ -1257,7 +1257,6 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n, ret = PTR_ERR(act); goto err; } - act->order = i; attr_size += tcf_action_fill_size(act); actions[i - 1] = act; } diff --git a/net/tipc/core.c b/net/tipc/core.c index d7b0688c98dd..3ecca3b88bf8 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -66,10 +66,6 @@ static int __net_init tipc_init_net(struct net *net) INIT_LIST_HEAD(&tn->node_list); spin_lock_init(&tn->node_list_lock); - err = tipc_socket_init(); - if (err) - goto out_socket; - err = tipc_sk_rht_init(net); if (err) goto out_sk_rht; @@ -79,9 +75,6 @@ static int __net_init tipc_init_net(struct net *net) goto out_nametbl; INIT_LIST_HEAD(&tn->dist_queue); - err = tipc_topsrv_start(net); - if (err) - goto out_subscr; err = tipc_bcast_init(net); if (err) @@ -90,25 +83,19 @@ static int __net_init tipc_init_net(struct net *net) return 0; out_bclink: - tipc_bcast_stop(net); -out_subscr: tipc_nametbl_stop(net); out_nametbl: tipc_sk_rht_destroy(net); out_sk_rht: - tipc_socket_stop(); -out_socket: return err; } static void __net_exit tipc_exit_net(struct net *net) { - tipc_topsrv_stop(net); tipc_net_stop(net); tipc_bcast_stop(net); tipc_nametbl_stop(net); tipc_sk_rht_destroy(net); - tipc_socket_stop(); } static struct pernet_operations tipc_net_ops = { @@ -118,6 +105,11 @@ static struct pernet_operations tipc_net_ops = { .size = sizeof(struct tipc_net), }; +static struct pernet_operations tipc_topsrv_net_ops = { + .init = tipc_topsrv_init_net, + .exit = tipc_topsrv_exit_net, +}; + static int __init tipc_init(void) { int err; @@ -144,6 +136,14 @@ static int __init tipc_init(void) if (err) goto out_pernet; + err = tipc_socket_init(); + if (err) + goto out_socket; + + err = register_pernet_subsys(&tipc_topsrv_net_ops); + if (err) + goto out_pernet_topsrv; + err = tipc_bearer_setup(); if (err) goto out_bearer; @@ -151,6 +151,10 @@ static int __init tipc_init(void) pr_info("Started in single node mode\n"); return 0; out_bearer: + unregister_pernet_subsys(&tipc_topsrv_net_ops); +out_pernet_topsrv: + tipc_socket_stop(); +out_socket: unregister_pernet_subsys(&tipc_net_ops); out_pernet: tipc_unregister_sysctl(); @@ -166,6 +170,8 @@ out_netlink: static void __exit tipc_exit(void) { tipc_bearer_cleanup(); + unregister_pernet_subsys(&tipc_topsrv_net_ops); + tipc_socket_stop(); unregister_pernet_subsys(&tipc_net_ops); tipc_netlink_stop(); tipc_netlink_compat_stop(); diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h index d793b4343885..aa015c233898 100644 --- a/net/tipc/subscr.h +++ b/net/tipc/subscr.h @@ -77,8 +77,9 @@ void tipc_sub_report_overlap(struct tipc_subscription *sub, u32 found_lower, u32 found_upper, u32 event, u32 port, u32 node, u32 scope, int must); -int tipc_topsrv_start(struct net *net); -void tipc_topsrv_stop(struct net *net); + +int __net_init tipc_topsrv_init_net(struct net *net); +void __net_exit tipc_topsrv_exit_net(struct net *net); void tipc_sub_put(struct tipc_subscription *subscription); void tipc_sub_get(struct tipc_subscription *subscription); diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c index 2301b09df234..35558656fe02 100644 --- a/net/tipc/topsrv.c +++ b/net/tipc/topsrv.c @@ -643,7 +643,7 @@ static void tipc_topsrv_work_stop(struct tipc_topsrv *s) destroy_workqueue(s->send_wq); } -int tipc_topsrv_start(struct net *net) +static int tipc_topsrv_start(struct net *net) { struct tipc_net *tn = tipc_net(net); const char name[] = "topology_server"; @@ -677,7 +677,7 @@ int tipc_topsrv_start(struct net *net) return ret; } -void tipc_topsrv_stop(struct net *net) +static void tipc_topsrv_stop(struct net *net) { struct tipc_topsrv *srv = tipc_topsrv(net); struct socket *lsock = srv->listener; @@ -702,3 +702,13 @@ void tipc_topsrv_stop(struct net *net) idr_destroy(&srv->conn_idr); kfree(srv); } + +int __net_init tipc_topsrv_init_net(struct net *net) +{ + return tipc_topsrv_start(net); +} + +void __net_exit tipc_topsrv_exit_net(struct net *net) +{ + tipc_topsrv_stop(net); +} diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index fdf22cb0b3e6..8035bf495eb2 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -916,12 +916,6 @@ void tls_device_offload_cleanup_rx(struct sock *sk) if (!netdev) goto out; - if (!(netdev->features & NETIF_F_HW_TLS_RX)) { - pr_err_ratelimited("%s: device is missing NETIF_F_HW_TLS_RX cap\n", - __func__); - goto out; - } - netdev->tlsdev_ops->tls_dev_del(netdev, tls_ctx, TLS_OFFLOAD_CTX_DIR_RX); @@ -980,7 +974,8 @@ static int tls_dev_event(struct notifier_block *this, unsigned long event, { struct net_device *dev = netdev_notifier_info_to_dev(ptr); - if (!(dev->features & (NETIF_F_HW_TLS_RX | NETIF_F_HW_TLS_TX))) + if (!dev->tlsdev_ops && + !(dev->features & (NETIF_F_HW_TLS_RX | NETIF_F_HW_TLS_TX))) return NOTIFY_DONE; switch (event) { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 048e004ed0ee..c6711ead5e59 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -15441,6 +15441,11 @@ void cfg80211_ch_switch_notify(struct net_device *dev, wdev->chandef = *chandef; wdev->preset_chandef = *chandef; + + if (wdev->iftype == NL80211_IFTYPE_STATION && + !WARN_ON(!wdev->current_bss)) + wdev->current_bss->pub.channel = chandef->chan; + nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, NL80211_CMD_CH_SWITCH_NOTIFY, 0); } diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh index 083c526073ef..8b980fb2270a 100755 --- a/scripts/gcc-goto.sh +++ b/scripts/gcc-goto.sh @@ -3,7 +3,7 @@ # Test for gcc 'asm goto' support # Copyright (C) 2010, Jason Baron <jbaron@redhat.com> -cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y" +cat << "END" | $@ -x c - -fno-PIE -c -o /dev/null int main(void) { #if defined(__arm__) || defined(__aarch64__) diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h index 552d5efd7cb7..17f06079a712 100644 --- a/scripts/gcc-plugins/gcc-common.h +++ b/scripts/gcc-plugins/gcc-common.h @@ -150,8 +150,12 @@ void print_gimple_expr(FILE *, gimple, int, int); void dump_gimple_stmt(pretty_printer *, gimple, int, int); #endif +#ifndef __unused #define __unused __attribute__((__unused__)) +#endif +#ifndef __visible #define __visible __attribute__((visibility("default"))) +#endif #define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node)) #define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node)) diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c index 8a3905bb02c7..6a314fb0d480 100644 --- a/security/integrity/evm/evm_crypto.c +++ b/security/integrity/evm/evm_crypto.c @@ -89,6 +89,9 @@ static struct shash_desc *init_desc(char type, uint8_t hash_algo) tfm = &hmac_tfm; algo = evm_hmac; } else { + if (hash_algo >= HASH_ALGO__LAST) + return ERR_PTR(-EINVAL); + tfm = &evm_tfm[hash_algo]; algo = hash_algo_name[hash_algo]; } diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index 8c9499867c91..93babb60b05a 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -1059,10 +1059,10 @@ enum { }; static const char *const mask_tokens[] = { - "MAY_EXEC", - "MAY_WRITE", - "MAY_READ", - "MAY_APPEND" + "^MAY_EXEC", + "^MAY_WRITE", + "^MAY_READ", + "^MAY_APPEND" }; #define __ima_hook_stringify(str) (#str), @@ -1122,6 +1122,7 @@ int ima_policy_show(struct seq_file *m, void *v) struct ima_rule_entry *entry = v; int i; char tbuf[64] = {0,}; + int offset = 0; rcu_read_lock(); @@ -1145,15 +1146,17 @@ int ima_policy_show(struct seq_file *m, void *v) if (entry->flags & IMA_FUNC) policy_func_show(m, entry->func); - if (entry->flags & IMA_MASK) { + if ((entry->flags & IMA_MASK) || (entry->flags & IMA_INMASK)) { + if (entry->flags & IMA_MASK) + offset = 1; if (entry->mask & MAY_EXEC) - seq_printf(m, pt(Opt_mask), mt(mask_exec)); + seq_printf(m, pt(Opt_mask), mt(mask_exec) + offset); if (entry->mask & MAY_WRITE) - seq_printf(m, pt(Opt_mask), mt(mask_write)); + seq_printf(m, pt(Opt_mask), mt(mask_write) + offset); if (entry->mask & MAY_READ) - seq_printf(m, pt(Opt_mask), mt(mask_read)); + seq_printf(m, pt(Opt_mask), mt(mask_read) + offset); if (entry->mask & MAY_APPEND) - seq_printf(m, pt(Opt_mask), mt(mask_append)); + seq_printf(m, pt(Opt_mask), mt(mask_append) + offset); seq_puts(m, " "); } diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index 186e727b737b..6fd9954e1c08 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -288,11 +288,8 @@ int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep, int rc; struct netlbl_lsm_secattr secattr; struct sk_security_struct *sksec = ep->base.sk->sk_security; - struct sockaddr *addr; struct sockaddr_in addr4; -#if IS_ENABLED(CONFIG_IPV6) struct sockaddr_in6 addr6; -#endif if (ep->base.sk->sk_family != PF_INET && ep->base.sk->sk_family != PF_INET6) @@ -310,16 +307,15 @@ int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep, if (ip_hdr(skb)->version == 4) { addr4.sin_family = AF_INET; addr4.sin_addr.s_addr = ip_hdr(skb)->saddr; - addr = (struct sockaddr *)&addr4; -#if IS_ENABLED(CONFIG_IPV6) - } else { + rc = netlbl_conn_setattr(ep->base.sk, (void *)&addr4, &secattr); + } else if (IS_ENABLED(CONFIG_IPV6) && ip_hdr(skb)->version == 6) { addr6.sin6_family = AF_INET6; addr6.sin6_addr = ipv6_hdr(skb)->saddr; - addr = (struct sockaddr *)&addr6; -#endif + rc = netlbl_conn_setattr(ep->base.sk, (void *)&addr6, &secattr); + } else { + rc = -EAFNOSUPPORT; } - rc = netlbl_conn_setattr(ep->base.sk, addr, &secattr); if (rc == 0) sksec->nlbl_state = NLBL_LABELED; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index adce5b60d5b4..5e6cb625db83 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6084,13 +6084,15 @@ static const struct hda_fixup alc269_fixups[] = { .chain_id = ALC269_FIXUP_THINKPAD_ACPI, }, [ALC255_FIXUP_ACER_MIC_NO_PRESENCE] = { - .type = HDA_FIXUP_PINS, - .v.pins = (const struct hda_pintbl[]) { - { 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */ - { } + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + /* Enable the Mic */ + { 0x20, AC_VERB_SET_COEF_INDEX, 0x45 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x5089 }, + {} }, .chained = true, - .chain_id = ALC255_FIXUP_HEADSET_MODE + .chain_id = ALC269_FIXUP_LIFEBOOK_EXTMIC }, [ALC255_FIXUP_ASUS_MIC_NO_PRESENCE] = { .type = HDA_FIXUP_PINS, @@ -7122,6 +7124,10 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x19, 0x0181303F}, {0x21, 0x0221102f}), SND_HDA_PIN_QUIRK(0x10ec0255, 0x1025, "Acer", ALC255_FIXUP_ACER_MIC_NO_PRESENCE, + {0x12, 0x90a60140}, + {0x14, 0x90170120}, + {0x21, 0x02211030}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1025, "Acer", ALC255_FIXUP_ACER_MIC_NO_PRESENCE, {0x12, 0x90a601c0}, {0x14, 0x90171120}, {0x21, 0x02211030}), @@ -7558,7 +7564,7 @@ static int patch_alc269(struct hda_codec *codec) spec = codec->spec; spec->gen.shared_mic_vref_pin = 0x18; - codec->power_save_node = 1; + codec->power_save_node = 0; #ifdef CONFIG_PM codec->patch_ops.suspend = alc269_suspend; diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index d5f73c837281..7994e8ddc7d2 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -439,8 +439,12 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream, if (!ret) { ret = snd_pcm_hw_constraint_eld(substream->runtime, hcp->eld); - if (ret) + if (ret) { + mutex_lock(&hcp->current_stream_lock); + hcp->current_stream = NULL; + mutex_unlock(&hcp->current_stream_lock); return ret; + } } /* Select chmap supported */ hdmi_codec_eld_chmap(hcp); diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index f70db8412c7c..160b2764b2ad 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -43,6 +43,7 @@ #define MCASP_MAX_AFIFO_DEPTH 64 +#ifdef CONFIG_PM static u32 context_regs[] = { DAVINCI_MCASP_TXFMCTL_REG, DAVINCI_MCASP_RXFMCTL_REG, @@ -65,6 +66,7 @@ struct davinci_mcasp_context { u32 *xrsr_regs; /* for serializer configuration */ bool pm_state; }; +#endif struct davinci_mcasp_ruledata { struct davinci_mcasp *mcasp; diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 2e75b5bc5f1d..f721cd4e3f97 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -173,16 +173,17 @@ config SND_MPC52xx_SOC_EFIKA endif # SND_POWERPC_SOC +config SND_SOC_IMX_PCM_FIQ + tristate + default y if SND_SOC_IMX_SSI=y && (SND_SOC_FSL_SSI=m || SND_SOC_FSL_SPDIF=m) && (MXC_TZIC || MXC_AVIC) + select FIQ + if SND_IMX_SOC config SND_SOC_IMX_SSI tristate select SND_SOC_FSL_UTILS -config SND_SOC_IMX_PCM_FIQ - tristate - select FIQ - comment "SoC Audio support for Freescale i.MX boards:" config SND_MXC_SOC_WM1133_EV1 diff --git a/sound/soc/fsl/eukrea-tlv320.c b/sound/soc/fsl/eukrea-tlv320.c index 191426a6d9ad..30a3d68b5c03 100644 --- a/sound/soc/fsl/eukrea-tlv320.c +++ b/sound/soc/fsl/eukrea-tlv320.c @@ -118,13 +118,13 @@ static int eukrea_tlv320_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "fsl,mux-int-port node missing or invalid.\n"); - return ret; + goto err; } ret = of_property_read_u32(np, "fsl,mux-ext-port", &ext_port); if (ret) { dev_err(&pdev->dev, "fsl,mux-ext-port node missing or invalid.\n"); - return ret; + goto err; } /* diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 4163f2cfc06f..bfc5b21d0c3f 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -268,12 +268,14 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai, case SND_SOC_DAIFMT_CBS_CFS: val_cr2 |= FSL_SAI_CR2_BCD_MSTR; val_cr4 |= FSL_SAI_CR4_FSD_MSTR; + sai->is_slave_mode = false; break; case SND_SOC_DAIFMT_CBM_CFM: sai->is_slave_mode = true; break; case SND_SOC_DAIFMT_CBS_CFM: val_cr2 |= FSL_SAI_CR2_BCD_MSTR; + sai->is_slave_mode = false; break; case SND_SOC_DAIFMT_CBM_CFS: val_cr4 |= FSL_SAI_CR4_FSD_MSTR; diff --git a/sound/soc/fsl/fsl_utils.c b/sound/soc/fsl/fsl_utils.c index 7f0fa4b52223..cca33ab7020a 100644 --- a/sound/soc/fsl/fsl_utils.c +++ b/sound/soc/fsl/fsl_utils.c @@ -71,6 +71,7 @@ int fsl_asoc_get_dma_channel(struct device_node *ssi_np, iprop = of_get_property(dma_np, "cell-index", NULL); if (!iprop) { of_node_put(dma_np); + of_node_put(dma_channel_np); return -EINVAL; } *dma_id = be32_to_cpup(iprop); diff --git a/sound/soc/intel/boards/kbl_da7219_max98357a.c b/sound/soc/intel/boards/kbl_da7219_max98357a.c index 38f6ab74709d..07491a0f8fb8 100644 --- a/sound/soc/intel/boards/kbl_da7219_max98357a.c +++ b/sound/soc/intel/boards/kbl_da7219_max98357a.c @@ -188,7 +188,7 @@ static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) jack = &ctx->kabylake_headset; - snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA); + snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index aa28510d23ad..bbcb0d4d83ae 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -720,6 +720,15 @@ static int line6_init_cap_control(struct usb_line6 *line6) return 0; } +static void line6_startup_work(struct work_struct *work) +{ + struct usb_line6 *line6 = + container_of(work, struct usb_line6, startup_work.work); + + if (line6->startup) + line6->startup(line6); +} + /* Probe USB device. */ @@ -755,6 +764,7 @@ int line6_probe(struct usb_interface *interface, line6->properties = properties; line6->usbdev = usbdev; line6->ifcdev = &interface->dev; + INIT_DELAYED_WORK(&line6->startup_work, line6_startup_work); strcpy(card->id, properties->id); strcpy(card->driver, driver_name); @@ -825,6 +835,8 @@ void line6_disconnect(struct usb_interface *interface) if (WARN_ON(usbdev != line6->usbdev)) return; + cancel_delayed_work(&line6->startup_work); + if (line6->urb_listen != NULL) line6_stop_listen(line6); diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h index 61425597eb61..650d909c9c4f 100644 --- a/sound/usb/line6/driver.h +++ b/sound/usb/line6/driver.h @@ -178,11 +178,15 @@ struct usb_line6 { fifo; } messages; + /* Work for delayed PCM startup */ + struct delayed_work startup_work; + /* If MIDI is supported, buffer_message contains the pre-processed data; * otherwise the data is only in urb_listen (buffer_incoming). */ void (*process_message)(struct usb_line6 *); void (*disconnect)(struct usb_line6 *line6); + void (*startup)(struct usb_line6 *line6); }; extern char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c index 325b07b98b3c..7e39083f8f76 100644 --- a/sound/usb/line6/toneport.c +++ b/sound/usb/line6/toneport.c @@ -54,9 +54,6 @@ struct usb_line6_toneport { /* Firmware version (x 100) */ u8 firmware_version; - /* Work for delayed PCM startup */ - struct delayed_work pcm_work; - /* Device type */ enum line6_device_type type; @@ -241,12 +238,8 @@ static int snd_toneport_source_put(struct snd_kcontrol *kcontrol, return 1; } -static void toneport_start_pcm(struct work_struct *work) +static void toneport_startup(struct usb_line6 *line6) { - struct usb_line6_toneport *toneport = - container_of(work, struct usb_line6_toneport, pcm_work.work); - struct usb_line6 *line6 = &toneport->line6; - line6_pcm_acquire(line6->line6pcm, LINE6_STREAM_MONITOR, true); } @@ -394,7 +387,7 @@ static int toneport_setup(struct usb_line6_toneport *toneport) if (toneport_has_led(toneport)) toneport_update_led(toneport); - schedule_delayed_work(&toneport->pcm_work, + schedule_delayed_work(&toneport->line6.startup_work, msecs_to_jiffies(TONEPORT_PCM_DELAY * 1000)); return 0; } @@ -407,8 +400,6 @@ static void line6_toneport_disconnect(struct usb_line6 *line6) struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)line6; - cancel_delayed_work_sync(&toneport->pcm_work); - if (toneport_has_led(toneport)) toneport_remove_leds(toneport); } @@ -424,9 +415,9 @@ static int toneport_init(struct usb_line6 *line6, struct usb_line6_toneport *toneport = (struct usb_line6_toneport *) line6; toneport->type = id->driver_info; - INIT_DELAYED_WORK(&toneport->pcm_work, toneport_start_pcm); line6->disconnect = line6_toneport_disconnect; + line6->startup = toneport_startup; /* initialize PCM subsystem: */ err = line6_init_pcm(line6, &toneport_pcm_properties); diff --git a/tools/arch/x86/include/asm/rmwcc.h b/tools/arch/x86/include/asm/rmwcc.h index dc90c0c2fae3..fee7983a90b4 100644 --- a/tools/arch/x86/include/asm/rmwcc.h +++ b/tools/arch/x86/include/asm/rmwcc.h @@ -2,7 +2,7 @@ #ifndef _TOOLS_LINUX_ASM_X86_RMWcc #define _TOOLS_LINUX_ASM_X86_RMWcc -#ifdef CC_HAVE_ASM_GOTO +#ifdef CONFIG_CC_HAS_ASM_GOTO #define __GEN_RMWcc(fullop, var, cc, ...) \ do { \ @@ -20,7 +20,7 @@ cc_label: \ #define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val)) -#else /* !CC_HAVE_ASM_GOTO */ +#else /* !CONFIG_CC_HAS_ASM_GOTO */ #define __GEN_RMWcc(fullop, var, cc, ...) \ do { \ @@ -37,6 +37,6 @@ do { \ #define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val)) -#endif /* CC_HAVE_ASM_GOTO */ +#endif /* CONFIG_CC_HAS_ASM_GOTO */ #endif /* _TOOLS_LINUX_ASM_X86_RMWcc */ diff --git a/tools/bpf/bpftool/.gitignore b/tools/bpf/bpftool/.gitignore index 67167e44b726..8248b8dd89d4 100644 --- a/tools/bpf/bpftool/.gitignore +++ b/tools/bpf/bpftool/.gitignore @@ -1,5 +1,5 @@ *.d -bpftool +/bpftool bpftool*.8 bpf-helpers.* FEATURE-DUMP.bpftool diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 7a0014794bff..dd0b68d1f4be 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -53,6 +53,8 @@ # define __NR_bpf 349 # elif defined(__s390__) # define __NR_bpf 351 +# elif defined(__arc__) +# define __NR_bpf 280 # else # error __NR_bpf not defined. libbpf does not support your arch. # endif diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 6f38164b2618..c3145ab3bdca 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -26,6 +26,7 @@ #include <linux/bpf.h> #include <stdbool.h> #include <stddef.h> +#include <stdint.h> struct bpf_create_map_attr { const char *name; diff --git a/tools/testing/selftests/bpf/test_libbpf_open.c b/tools/testing/selftests/bpf/test_libbpf_open.c index 8fcd1c076add..cbd55f5f8d59 100644 --- a/tools/testing/selftests/bpf/test_libbpf_open.c +++ b/tools/testing/selftests/bpf/test_libbpf_open.c @@ -11,6 +11,8 @@ static const char *__doc__ = #include <bpf/libbpf.h> #include <getopt.h> +#include "bpf_rlimit.h" + static const struct option long_options[] = { {"help", no_argument, NULL, 'h' }, {"debug", no_argument, NULL, 'D' }, diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/selftests/bpf/trace_helpers.c index cabe2a3a3b30..cf156b353679 100644 --- a/tools/testing/selftests/bpf/trace_helpers.c +++ b/tools/testing/selftests/bpf/trace_helpers.c @@ -51,6 +51,10 @@ struct ksym *ksym_search(long key) int start = 0, end = sym_cnt; int result; + /* kallsyms not loaded. return NULL */ + if (sym_cnt <= 0) + return NULL; + while (start < end) { size_t mid = start + (end - start) / 2; diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c index 28d321ba311b..6f339882a6ca 100644 --- a/tools/testing/selftests/cgroup/test_memcontrol.c +++ b/tools/testing/selftests/cgroup/test_memcontrol.c @@ -26,7 +26,7 @@ */ static int test_memcg_subtree_control(const char *root) { - char *parent, *child, *parent2, *child2; + char *parent, *child, *parent2 = NULL, *child2 = NULL; int ret = KSFT_FAIL; char buf[PAGE_SIZE]; @@ -34,50 +34,54 @@ static int test_memcg_subtree_control(const char *root) parent = cg_name(root, "memcg_test_0"); child = cg_name(root, "memcg_test_0/memcg_test_1"); if (!parent || !child) - goto cleanup; + goto cleanup_free; if (cg_create(parent)) - goto cleanup; + goto cleanup_free; if (cg_write(parent, "cgroup.subtree_control", "+memory")) - goto cleanup; + goto cleanup_parent; if (cg_create(child)) - goto cleanup; + goto cleanup_parent; if (cg_read_strstr(child, "cgroup.controllers", "memory")) - goto cleanup; + goto cleanup_child; /* Create two nested cgroups without enabling memory controller */ parent2 = cg_name(root, "memcg_test_1"); child2 = cg_name(root, "memcg_test_1/memcg_test_1"); if (!parent2 || !child2) - goto cleanup; + goto cleanup_free2; if (cg_create(parent2)) - goto cleanup; + goto cleanup_free2; if (cg_create(child2)) - goto cleanup; + goto cleanup_parent2; if (cg_read(child2, "cgroup.controllers", buf, sizeof(buf))) - goto cleanup; + goto cleanup_all; if (!cg_read_strstr(child2, "cgroup.controllers", "memory")) - goto cleanup; + goto cleanup_all; ret = KSFT_PASS; -cleanup: - cg_destroy(child); - cg_destroy(parent); - free(parent); - free(child); - +cleanup_all: cg_destroy(child2); +cleanup_parent2: cg_destroy(parent2); +cleanup_free2: free(parent2); free(child2); +cleanup_child: + cg_destroy(child); +cleanup_parent: + cg_destroy(parent); +cleanup_free: + free(parent); + free(child); return ret; } diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c index fef3527af3bd..02bac8abd206 100644 --- a/virt/kvm/arm/arm.c +++ b/virt/kvm/arm/arm.c @@ -223,6 +223,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; break; + case KVM_CAP_MAX_VCPU_ID: + r = KVM_MAX_VCPU_ID; + break; case KVM_CAP_NR_MEMSLOTS: r = KVM_USER_MEM_SLOTS; break; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index e909d9907b50..2b36a51afb57 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2965,8 +2965,6 @@ static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg) case KVM_CAP_MULTI_ADDRESS_SPACE: return KVM_ADDRESS_SPACE_NUM; #endif - case KVM_CAP_MAX_VCPU_ID: - return KVM_MAX_VCPU_ID; default: break; } |