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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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According to a compiler warning, the tpm_tis_resume() function is not
used for CONFIG_PM_SLEEP unset, so add a #ifdef to prevent it from
being built in that case.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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According to compiler warnings, quite some suspend/resume functions
in platform x86 drivers are not used for CONFIG_PM_SLEEP unset, so
add #ifdefs to prevent them from being built in that case.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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According to compiler warnings, several suspend/resume functions
in ACPI drivers are not used for CONFIG_PM_SLEEP unset, so add
#ifdefs to prevent them from being built in that case.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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The original code was misported from the X driver,
a) an int went to unsigned int, breaking the downward counting testm code
b) the port did the vco/computed clock bits completely wrong.
This fixes an infinite loop on modprobe on some Dell servers with the G200ER
chipset variant.
Found in internal testing.
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Do not leak memory by updating pointer with potentially
NULL realloc return value.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Carsten Emde <C.Emde@osadl.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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These patches all fix bugs that were newly introduced in v3.6-rc1
and found because they cause a gcc warning with one of the ARM
defconfigs. Most of them are harmless, but since we're trying
to get rid of all warnings eventually, we can start with the ones
that were not there before.
* testing/new-warnings:
omap-rng: fix use of SIMPLE_DEV_PM_OPS
spi/s3c64xx: improve error handling
mtd/omap2: fix dmaengine_slave_config error handling
gpio: em: do not discard em_gio_irq_domain_cleanup
ARM: exynos: exynos_pm_add_dev_to_genpd may be unused
usb/ohci-omap: remove unused variable
mfd/asic3: fix asic3_mfd_probe return value
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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omap_rng_suspend and omap_rng_resume are unused if CONFIG_PM is enabled
but CONFIG_PM_SLEEP is disabled. I found this while building all defconfig
files on ARM. It's not clear to me if this is the right solution, but
at least it makes the code consistent again.
Without this patch, building omap1_defconfig results in:
drivers/char/hw_random/omap-rng.c:165:12: warning: 'omap_rng_suspend' defined but not used [-Wunused-function]
drivers/char/hw_random/omap-rng.c:171:12: warning: 'omap_rng_resume' defined but not used [-Wunused-function]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kevin Hilman <khilman@ti.com>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
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When a device tree definition os an s3c64xx SPI master is missing
a "controller-data" subnode, the newly added s3c64xx_get_slave_ctrldata
function might use uninitialized memory in place of that node,
which was correctly reported by gcc.
Without this patch, building s3c6400_defconfig results in:
drivers/spi/spi-s3c64xx.c: In function 's3c64xx_get_slave_ctrldata.isra.25':
drivers/spi/spi-s3c64xx.c:841:5: warning: 'data_np' may be used uninitialized in this function [-Wuninitialized]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Jaswinder Singh <jaswinder.singh@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
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The newly added dmaengine support in the omap2 nand driver
potentially causes an undefined return value from the
omap_nand_probe function when dmaengine_slave_config
reports an error. Let's handle this by returning the
same error back to the caller.
Without this patch, building omap2plus_defconfig results in:
drivers/mtd/nand/omap2.c: In function 'omap_nand_probe':
drivers/mtd/nand/omap2.c:1154:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Grazvydas Ignotas <notasas@gmail.com>
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The newly added gpio-em driver marks its em_gio_irq_domain_cleanup
function as __devexit, which would lead to that function being
discarded in case CONFIG_HOTPLUG is disabled. However, the function
is also called by the error handling logic em_gio_probe, which
would cause a jump into a NULL pointer if it was removed from the
kernel or module.
Without this patch, building kzm9d_defconfig results in:
WARNING: drivers/gpio/built-in.o(.devinit.text+0x330): Section mismatch in reference from the function em_gio_probe() to the function .devexit.text:em_gio_irq_domain_cleanup()
The function __devinit em_gio_probe() references
a function __devexit em_gio_irq_domain_cleanup().
This is often seen when error handling in the init function
uses functionality in the exit path.
The fix is often to remove the __devexit annotation of
em_gio_irq_domain_cleanup() so it may be used outside an exit section.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Magnus Damm <damm@opensource.se>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
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During probe, every function probed clears the recovery registers from
all functions on its path - thus signaling that given a future recovery
event, there will be no need to wait for those functions.
This is a flawed behaviour - each function should only be responsible
for its own bit.
Since this registers are handled during the load/unload routines,
this cleanup is removed altogether.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The existing previous driver unload flow is flawed, causing the probe of
functions reaching the 'uncommon fork' in flr-capable devices to fail.
This patch resolves this, as well as fixing the flow for hypervisors which
disable flr capabilities from functions as they pass them as PDA to VMs,
as we cannot base the flow on the pci configuration space.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a fix for bug, introduced in 3.4 kernel by commit
1ab5ecb90cb6a3df1476e052f76a6e8f6511cb3d ("tun: don't hold network
namespace by tun sockets"), which, among other things, replaced simple
sock_put() by sk_release_kernel(). Below is sequence, which leads to
oops for non-persistent devices:
tun_chr_close()
tun_detach() <== tun->socket.file = NULL
tun_free_netdev()
sk_release_sock()
sock_release(sock->file == NULL)
iput(SOCK_INODE(sock)) <== dereference on NULL pointer
This patch just removes zeroing of socket's file from __tun_detach().
sock_release() will do this.
Cc: stable@vger.kernel.org
Reported-by: Ruan Zhijie <ruanzhijie@hotmail.com>
Tested-by: Ruan Zhijie <ruanzhijie@hotmail.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is not currently possible to build the gpmi-nand driver without
also building the mxs-dma driver. Clarify this Kconfig and enable
both in the defconfig file so we can build it again with both enabled.
drivers/built-in.o: In function `gpmi_dma_filter':
clk-fixed-factor.c:(.text+0xafc18): undefined reference to `mxs_dma_is_apbh'
make[1]: *** [vmlinux] Error 1
make: *** [sub-make] Error 2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
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The EETI touchscreen asserts its IRQ line as soon as it has data in its
internal buffers. The line is automatically deasserted once all data has
been read via I2C. Hence, the driver has to monitor the GPIO line and
cannot simply rely on the interrupt handler reception.
In the current implementation of the driver, irq_to_gpio() is used to
determine the GPIO number from the i2c_client's IRQ value.
As irq_to_gpio() is not available on all platforms, this patch changes
this and makes the driver ignore the passed in IRQ. Instead, a GPIO is
added to the platform_data struct and gpio_to_irq is used to derive the
IRQ from that GPIO. If this fails, bail out. The driver is only able to
work in environments where the touchscreen GPIO can be mapped to an
IRQ.
Without this patch, building raumfeld_defconfig results in:
drivers/input/touchscreen/eeti_ts.c: In function 'eeti_ts_irq_active':
drivers/input/touchscreen/eeti_ts.c:65:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org (v3.2+)
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Sven Neumann <s.neumann@raumfeld.com>
Cc: linux-input@vger.kernel.org
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
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The irq_to_gpio function was removed from the pxa platform
in linux-3.2, and this driver has been broken since.
There is actually no in-tree user of this driver that adds
this platform device, but the driver can and does get enabled
on some platforms.
Without this patch, building ezx_defconfig results in:
drivers/mfd/ezx-pcap.c: In function 'pcap_isr_work':
drivers/mfd/ezx-pcap.c:205:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: stable@vger.kernel.org (v3.2+)
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Daniel Ribeiro <drwyrm@gmail.com>
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It looks like the register defines for DCA were never updated after going from
82575 to 82576. This change addresses that by updating the defines.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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This patch resolves a "BUG: unable to handle kernel paging request at ..."
oops while dumping packet data. The issue occurs with IOMMU enabled due to
the address provided by phys_to_virt().
This patch avoids phys_to_virt() by using skb->data and the address of the
pages allocated for Rx.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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This patch resolves a "BUG: unable to handle kernel paging request at ..."
oops while dumping packet data. The issue occurs with IOMMU enabled due to
the address provided by phys_to_virt().
This patch avoids phys_to_virt() by making using skb->data and the address
of the pages allocated for Rx.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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The semantic patch that makes this change is available
in scripts/coccinelle/api/err_cast.cocci.
More information about semantic patching is available at
http://coccinelle.lip6.fr/
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intel into drm-next
Daniel writes:
"- Regression fixer for an OOPS at boot when i915.ko is built-in and
CONFIG_PM=n, introduce in 3.5 (patch from Hunt Xu)
- Regression fixer for occlusion query failures, the required w/a wasn't
applied in all cases (thanks to Eric for tracking this on down).
- dmar vs. dma_buf imprt fix (Dave Airlie)
- 2 patches to fight down forcewake issues on snb. This is the stuff I've
talked about 2 weeks ago already, it's a minefield. Investigation still
going on, but afaict this is the best we have for now.
- a few minor things to keep coverty&compiler happy (Alan, Davendra,
Stéphane)
- tons of hsw pci ids - this one is a bit late because internal approval
sometimes takes a while, but ppl in charge finally agreed that world+dog
already knows about ult and crw haswell variants ;-)
Wrt regressions I'm aware of:
- the power regression due to semaphores=1. Ben is running around with a
killawatt, unfortunately we have a hard time reproducing this one. And
this /shouldn't/ increase power usage. Ben has turned up a few odds bits
though already.
- the lvds fix in 3.6-rc1 broke a backlight after lid close/open (but can
be resurrected with a modeset cycle). I guess we anger the bios - I'm
still looking into this one.
- gmbus broke edid reading on an odd-ball monitor, we need to fall-back.
Due to vacation (both mine&the reporter's) this is stalling for a final
patch and a tested-by on it. But issue is fully diagnosed."
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: correctly order the ring init sequence
drm/i915: add more Haswell PCI IDs
drm/i915: make rc6 in sysfs functions conditional
drm/i915: Workaround hang with BSD and forcewake on SandyBridge
drm/i915: Make intel_panel_get_backlight static.
i915: don't map imported dma-bufs for dmar.
drm/i915: remove unused variable
drm/i915: Don't forget to apply SNB PIPE_CONTROL GTT workaround.
drm/i915: fix forcewake related hangs on snb
i915: Remove silly test
i915: fix error path leak in intel_sdvo_write_cmd
vlv: it might be wise if we initialised the flag value...
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Signed-off-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Driver probe functions are generally __devinit so they will be
discarded after initialization for non-hotplug kernels.
This was found by a new warning after patch 6a228452d "stmmac: Add
device-tree support" adds a new __devinit function that is called
from stmmac_pltfr_probe.
Without this patch, building socfpga_defconfig results in:
WARNING: drivers/net/ethernet/stmicro/stmmac/stmmac.o(.text+0x5d4c): Section mismatch in reference from the function stmmac_pltfr_probe() to the function .devinit.text:stmmac_probe_config_dt()
The function stmmac_pltfr_probe() references
the function __devinit stmmac_probe_config_dt().
This is often because stmmac_pltfr_probe lacks a __devinit
annotation or the annotation of stmmac_probe_config_dt is wrong.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Stefan Roese <sr@denx.de>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The #ifdefs regarding CONFIG_ARCH_LPC32XX_MII_SUPPORT and
CONFIG_ARCH_LPC32XX_IRAM_FOR_NET are obsolete since the symbols have been
removed from Kconfig and replaced by devicetree based configuration.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We allocate memory for 'req' with usb_alloc_urb() and then test
'if (!req || rx_submit(pnd, req, GFP_KERNEL | __GFP_COLD))'.
If we enter that branch due to '!req' then there is no problem. But if
we enter the branch due to 'req' being != 0 and the 'rx_submit()' call
being false, then we'll leak the memory we allocated.
Deal with the leak by always calling 'usb_free_urb(req)' when entering
the branch. If 'req' happens to be 0 then the call is harmless, if it
is not 0 then we free the memory we allocated but don't need.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Rémi Denis-Courmont <remi@remlab.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pptp always use init_net as the net namespace to lookup
route, this will cause route lookup failed in container.
because we already set the correct net namespace to struct
sock in pptp_create,so fix this by using sock_net(sk) to
replace &init_net.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/ppwaskie/net
Peter P Waskiewicz Jr says:
====================
This series contains fixes to the e1000e and igb drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bit IREN is replaced by UMOD_IRDA and UMOD_MASK since blackfin 60x added, but
this driver didn't update which will cause bfin_sir build error:
drivers/net/irda/bfin_sir.c:161:9: error: 'IREN' undeclared (first use in this
function)
drivers/net/irda/bfin_sir.c:435:18: error: 'IREN' undeclared (first use in
this function)
drivers/net/irda/bfin_sir.c:521:11: error: 'IREN' undeclared (first use in
this function)
This patch fix it.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit c2e935a7d "USB: move transceiver from ehci_hcd and ohci_hcd to
hcd and rename it as phy" removed the last use of the "ohci" variable
in the usb_hcd_omap_remove function, but left the variable in place
unused.
Without this patch, building omap1_defconfig results in:
In file included from drivers/usb/host/ohci-hcd.c:1013:0:
drivers/usb/host/ohci-omap.c: In function 'usb_hcd_omap_remove':
drivers/usb/host/ohci-omap.c:406:19: warning: unused variable 'ohci' [-Wunused-variable]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Richard Zhao <richard.zhao@freescale.com>
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In commit 4f304245b "mfd: Set asic3 DS1WM clock_rate", a possible
path through asic3_mfd_probe was introduced that would lead to
an unpredictable return value, if everything succeeds but there
are pdata->leds is NULL. This was reported correctly by gcc.
Without this patch, building magician_defconfig results in:
drivers/mfd/asic3.c: In function 'asic3_mfd_probe':
drivers/mfd/asic3.c:940:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Parsons <lost.distance@yahoo.com>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
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Commits 1d5fcfec22 (PM / Domains: Add device domain data reference
counter) and 62d4490294 (PM / Domains: Allow device callbacks to be
added at any time) added checks for the return value of
dev_pm_get_subsys_data(), but those checks were incorrect, because
that function returned 1 on success in some cases.
Since all of the existing users of dev_pm_get_subsys_data() don't use
the positive value returned by it on success, change its definition
so that it always returns 0 when successful.
Reported-by: Heiko Stübner <heiko@sntech.de>
Reported-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Convert a 0 error return code to a negative one, as returned elsewhere in the
function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret;
expression e,e1,e2,e3,e4,x;
@@
(
if (\(ret != 0\|ret < 0\) || ...) { ... return ...; }
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ret = 0
)
... when != ret = e1
*x = \(kmalloc\|kzalloc\|kcalloc\|devm_kzalloc\|ioremap\|ioremap_nocache\|devm_ioremap\|devm_ioremap_nocache\)(...);
... when != x = e2
when != ret = e3
*if (x == NULL || ...)
{
... when != ret = e4
* return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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If an RTC alarm fires just as suspend is happening, it is possible for
suspend to complete and the alarm to be missed.
To avoid the race, we must register the event with the PM core.
As the event is made visible to userspace through a thread which is
only scheduled by the interrupt, we need a pm_stay_awake/pm_relax
pair preventing suspend from the interrupt until the thread completes
its work.
This makes the pm_wakeup_event() call in cmos_interrupt unnecessary as
it provides suspend protection for all RTCs that use rtc_update_irq.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Pull networking fixes from David Miller:
1) Missed rcu_assign_pointer() in mac80211 scanning, from Johannes
Berg.
2) Allow devices to limit the number of segments that an individual
TCP TSO packet can use at a time, to deal with device and/or driver
specific limitations. From Ben Hutchings.
3) Fix unexpected hard IPSEC expiration after setting the date. From
Fan Du.
4) Memory leak fix in bxn2x driver, from Jesper Juhl.
5) Fix two memory leaks in libertas driver, from Daniel Drake.
6) Fix deref of out-of-range array index in packet scheduler generic
actions layer. From Hiroaki SHIMODA.
7) Fix TX flow control errors in mlx4 driver, from Yevgeny Petrilin.
8) Fix CRIS eth_v10.c driver build, from Randy Dunlap.
9) Fix wrong SKB freeing in LLC protocol layer, from Sorin Dumitru.
10) The IP output path checks neigh lookup errors incorrectly, it needs
to use IS_ERR(). From Vasiliy Kulikov.
11) An estimator leak leads to deref of freed memory in timer handler,
fix from Hiroaki SHIMODA.
12) TCP early demux in ipv6 needs to use DST cookies in order to
validate the RX route properly. Fix from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
net: ipv6: fix TCP early demux
net: Use PTR_RET rather than if(IS_ERR(.. [1]
net_sched: act: Delete estimator in error path.
ip: fix error handling in ip_finish_output2()
llc: free the right skb
ixp4xx_eth: fix ptp_ixp46x build failure
drivers/atm/iphase.c: fix error return code
tcp_output: fix sparse warning for tcp_wfree
drivers/net/phy/mdio-mux-gpio.c: drop devm_kfree of devm_kzalloc'd data
batman-adv: select an internet gateway if none was chosen
mISDN: Bugfix for layer2 fixed TEI mode
igb: don't break user visible strings over multiple lines in igb_ethtool.c
igb: correct hardware type (i210/i211) check in igb_loopback_test()
igb: Fix for failure to init on some 82576 devices.
cris: fix eth_v10.c build error
cdc-ncm: tag Ericsson WWAN devices (eg F5521gw) with FLAG_WWAN
isdnloop: fix and simplify isdnloop_init()
hyperv: Move wait completion msg code into rndis_filter_halt_device()
net/mlx4_core: Remove port type restrictions
net/mlx4_en: Fixing TX queue stop/wake flow
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fixes from Linus Walleij:
- Move MXS pinctrl registration to poscore_initcall
- Fix up various devm_* managed resources code paths
- Fix one function group in the Nomadik driver
- Update MAINTAINERS
* tag 'pinctrl-fixes-for-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
drivers/pinctrl/pinctrl-nomadik.c: drop devm_kfree of devm_kzalloc'd data
MAINTAINERS: fix a few pinctrl related entries
pinctrl-sirf: remove devm_kfree at error path
pinctrl/nomadik: fix hsi function group list
pinctrl/pinctrl-u300: remove unneeded devm_kfree call
pinctrl: mxs: register driver at postcore_initcall time
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"These patches fix a couple of issues. First of all a few problems
with ACS on x86 introduced in the last merge window, where ACS did not
work on AMD and a NULL pointer dereference when there ran against
SR-IOV devices.
The patches fallen out of coccinelle checks fix a possible invalid
memory reference and a possible memory leak. The other patches mostly
fix build errors and warnings and a wrong return value."
* tag 'iommu-fixes-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix ACS path checking
iommu/intel: Fix ACS path checking
iommu/amd: Fix pci_request_acs() call-place
iommu/exynos: Fix build error
iommu/tegra: smmu: Fix error initial value at domain_init
iommu/tegra: smmu: Cleanup with lesser nest
iommu: Add missing forward declaration in include file
iommu: Include linux/types.h
iommu/intel: add missing free_domain_mem
iommu/tegra: remove invalid reference to list iterator variable
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If the last block of the HSA is read, EVSTATE_ALL_STORED is returned
by SCLP. Because of a missing break in the switch statement two trace
entries are written in this case: "all stored" and "part stored".
This patch adds the missing break and also adds a "fall through"
comment to improve the readability.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Reported-by: David A Gilbert <DavidAGilbert@uk.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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We may only start to set up the new register values after having
confirmed that the ring is truely off. Otherwise the hw might lose the
newly written register values. This is caught later on in the init
sequence, when we check whether the register writes have stuck.
Cc: stable@vger.kernel.org
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50522
Tested-by: Yang Guang <guang.a.yang@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We need to do left shift (cfg->num + LP8788_ISINK_SCALE_OFFSET) bits for
updating scale configuration.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Tested-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
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devm_kfree should not have to be explicitly used.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression x,d;
@@
x = devm_kzalloc(...)
...
?-devm_kfree(d,x);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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the pointers that are allocated with devm_kzalloc will be automatically freed,
at unload time.
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Tidy up a small typo in the HSI function group list.
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Also properly indent the HB IDs.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Some 8086:10c9 NICs have a problem completing the ethtool loopback test.
The result looks like this:
ethtool -t eth1
The test result is FAIL
The test extra info:
Register test (offline) 0
Eeprom test (offline) 0
Interrupt test (offline) 0
Loopback test (offline) 13
Link test (on/offline) 0
A bisect clearly points to commit a95a07445ee97a2fef65befafbadcc30ca1bd145.
However that seems to only trigger the bug. While adding some printk the
problem disappeared, so this might be a timing issue. After some trial and
error I discovered that adding a small delay just before igb_write_phy_reg()
in igb_integrated_phy_loopback() allows the loopback test to succeed.
I was unable to figure out the root cause so far but I expect it to be
somewhere in the following executing path
igb_integrated_phy_loopback
->igb_write_phy_reg_igp
->igb_write_phy_reg_mdic
->igb_acquire_phy_82575
->igb_acquire_swfw_sync_82575
The problem could only be observed on 8086:10c9 NICs so far and not all
of them show the behaviour. I did not restrict the workaround to this
type of NIC as it should do no harm to other igb NICs.
With the patch below the loopback test succeeded 500 times in a row
using a NIC that would otherwise fail.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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A bus trace shows that while executing e1000e_down, TCTL is cleared except
for the PSP bit. This occurs while in the middle of fetching a TSO packet
since the Tx packet buffer is full at that point. Before the device is
reset, the e1000_watchdog_task starts to run from the middle (it was
apparently pre-empted earlier, although that is not in the trace) and sets
TCTL.EN. At that point, 82571 transmits the corrupted packet, apparently
because TCTL.MULR was cleared in the middle of fetching a packet, which is
forbidden.
Driver should just clear TCTL.EN in e1000_reset_hw_82571 instead of
clearing the entire register, so as not to change any settings in the
middle of fetching a packet.
Signed-off-by: Tushar Dave <tushar.n.dave@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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Found that commit d478eb44 was a bad commit.
If the link partner is transmitting codeword (even if NULL codeword),
then the RXCW.C bit will be set so check for RXCW.CW is unnecessary.
Ref: RH BZ 840642
Reported-by: Fabio Futigami <ffutigam@redhat.com>
Signed-off-by: Tushar Dave <tushar.n.dave@intel.com>
CC: Marcelo Ricardo Leitner <mleitner@redhat.com>
CC: stable <stable@vger.kernel.org> [2.6.38+]
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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Convert a 0 error return code to a negative one, as returned elsewhere in the
function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret;
expression e,e1,e2,e3,e4,x;
@@
(
if (\(ret != 0\|ret < 0\) || ...) { ... return ...; }
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ret = 0
)
... when != ret = e1
*x = \(kmalloc\|kzalloc\|kcalloc\|devm_kzalloc\|ioremap\|ioremap_nocache\|devm_ioremap\|devm_ioremap_nocache\)(...);
... when != x = e2
when != ret = e3
*if (x == NULL || ...)
{
... when != ret = e4
* return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Move gpc4 to the end of the automatically processed gpio controllers so
we don't taint the automatic offset calculation.
This bug caused all controllers coming after gpc4 to map to the
incorrect address. The result is <&gpd1 0 0 0 0> would actually map to
GPIO 0 in gpd0.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Doug Anderson <dianders@chromium.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Currently, unlike the non-DT probe where the gpio base is specified
with pdev->id, the DT probe uses the base dynamically allocated by
gpio core, which uses a completely different numbering scheme. This
causes two issues to user space applications which access sysfs entry
/sys/class/gpio/gpioN.
* It breaks the compatibility with user space applications between
non-DT and DT kernels.
* It's not intuitive and sometimes hard for users to map the Linux
gpio number to the actual hardware pin.
Use alias to identify the gpio port/bank, and then the gpio base
can be specified with port id to solve above issues. If alias is not
defined in device tree, the base number dynamically allocated by gpio
core will be used.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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