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2011-08-13mmc: dw_mmc: Fix DDR mode support.Seungwon Jeon1-2/+2
Host driver can't get a hint of DDR mode through ios->ddr flag anymore. ios->timing is currently used to inform DDR mode as a substitute. And capability of MMC_CAP_MMC_HIGHSPEED is added for DDR support. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: core: use defined R1_STATE_PRG macro for card statusJaehoon Chung3-3/+3
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: sdhci: use f_max instead of host->clock for timeoutsAndy Shevchenko1-5/+2
When timeout_clk is calculated the host->clock could be zero. So, instead of host->clock the calculation now uses mmc->f_max. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: sdhci: move timeout_clk calculation farther downAndy Shevchenko1-19/+19
This moves the calculation below the assignment of mmc->f_max, which we need for calculating timeout_clk in the next patch in this series. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: sdhci: check host->clock before using it as a denominatorAndy Shevchenko1-3/+5
Sometimes host->clock could be zero which is a legal situation. This patch checks host->clock before usage as a denominator when timeout is calculated. A similar patch is applied for mmc core (see commit e9b8684, "mmc: fix division by zero in MMC core"). Without this patch, the execution of the sdhci_calc_timeout could end up with a backtrace: <0>[ 4.014319] divide error: 0000 [#1] PREEMPT SMP <4>[ 4.014352] Modules linked in: g_ether <4>[ 4.014376] <4>[ 4.014393] Pid: 33, comm: kworker/u:2 Not tainted 3.0.0+ #646 <4>[ 4.014421] EIP: 0060:[<c12fa38e>] EFLAGS: 00010046 CPU: 1 <4>[ 4.014449] EIP is at sdhci_calc_timeout+0x2e/0x100 <4>[ 4.014468] EAX: 00000000 EBX: f5930fc8 ECX: 00000000 EDX: 00000000 <4>[ 4.014488] ESI: f5291de8 EDI: f5291db8 EBP: f5291c6c ESP: f5291c50 <4>[ 4.014508] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 <0>[ 4.014529] Process kworker/u:2 (pid: 33, ti=f5290000 task=f53065a0 task.ti=f5290000) <0>[ 4.014546] Stack: <4>[ 4.014557] 00000082 c1054fdd f5291c78 04000000 f5930fc8 f5291de8 f5291db8 f5291cac <4>[ 4.014611] c12fab7c c107a98b f5291c88 c13b6d3f f593109c f5882000 f5291cac c1054fdd <4>[ 4.014663] 00000000 00000000 f5882000 00000082 f5930fc8 f5291db8 0000000a f5291ccc <0>[ 4.014716] Call Trace: <4>[ 4.014743] [<c1054fdd>] ? mod_timer+0x11d/0x380 <4>[ 4.014770] [<c12fab7c>] sdhci_prepare_data+0x2c/0x3a0 <4>[ 4.014798] [<c107a98b>] ? trace_hardirqs_off+0xb/0x10 <4>[ 4.014827] [<c13b6d3f>] ? _raw_spin_unlock_irqrestore+0x2f/0x60 <4>[ 4.014854] [<c1054fdd>] ? mod_timer+0x11d/0x380 <4>[ 4.014880] [<c12fc7db>] sdhci_send_command+0xdb/0x210 <4>[ 4.014906] [<c12fd5f3>] sdhci_request+0xc3/0x150 <4>[ 4.014932] [<c12ec56a>] mmc_start_request+0xda/0x200 <4>[ 4.014960] [<c120d7c2>] ? __raw_spin_lock_init+0x32/0x60 <4>[ 4.014989] [<c1066a85>] ? __init_waitqueue_head+0x35/0x50 <4>[ 4.015015] [<c12ec70b>] mmc_wait_for_req+0x7b/0x90 <4>[ 4.015045] [<c12f0c67>] mmc_send_cxd_data+0xf7/0x130 <4>[ 4.015076] [<c12ecbc0>] ? mmc_erase+0x140/0x140 <4>[ 4.015102] [<c12f139d>] mmc_send_ext_csd+0x1d/0x20 <4>[ 4.015125] [<c12efef0>] mmc_get_ext_csd+0x70/0x140 <4>[ 4.015151] [<c12effe8>] mmc_compare_ext_csds+0x28/0x190 <4>[ 4.015176] [<c12f039f>] mmc_init_card+0x24f/0x650 <4>[ 4.015201] [<c13b6d5d>] ? _raw_spin_unlock_irqrestore+0x4d/0x60 <4>[ 4.015226] [<c107fd9c>] ? trace_hardirqs_on_caller+0x11c/0x160 <4>[ 4.015255] [<c12f09a4>] mmc_attach_mmc+0xa4/0x190 <4>[ 4.015282] [<c12ee3f0>] mmc_rescan+0x210/0x240 <4>[ 4.015311] [<c105f9b6>] process_one_work+0x176/0x550 <4>[ 4.015336] [<c105f93a>] ? process_one_work+0xfa/0x550 <4>[ 4.015360] [<c12ee1e0>] ? mmc_init_erase+0x140/0x140 <4>[ 4.015385] [<c1061c2a>] worker_thread+0x12a/0x2c0 <4>[ 4.015410] [<c1061b00>] ? manage_workers.clone.18+0x100/0x100 <4>[ 4.015437] [<c1066244>] kthread+0x74/0x80 <4>[ 4.015463] [<c10661d0>] ? __init_kthread_worker+0x60/0x60 <4>[ 4.015490] [<c13b7dfa>] kernel_thread_helper+0x6/0xd <0>[ 4.015507] Code: 57 89 d7 56 53 89 c3 83 ec 10 8b 40 04 8b 72 28 f6 c4 10 89 45 f0 0f 85 91 00 00 00 85 f6 0f 84 c1 00 00 00 8b 4e 04 31 d2 89 c8 <f7> 73 58 ba d3 4d 62 10 89 c1 8b 06 f7 e2 c1 ea 06 01 d1 f7 45 <0>[ 4.015829] EIP: [<c12fa38e>] sdhci_calc_timeout+0x2e/0x100 SS:ESP 0068:f5291c50 Reported-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: Revert "mmc: sdhci: Fix SDHCI_QUIRK_TIMEOUT_USES_SDCLK"Andy Shevchenko1-4/+3
This reverts commit 4b01681c7764, which introduced a new potential divide by zero in the process of fixing one. The subsequent commits attempt to fix the issue properly. Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: tmio: eliminate unused variable 'mmc' warningAxel Lin1-2/+0
Fix below compile warning: CC drivers/mmc/host/tmio_mmc.o drivers/mmc/host/tmio_mmc.c: In function 'tmio_mmc_suspend': drivers/mmc/host/tmio_mmc.c:30: warning: unused variable 'mmc' drivers/mmc/host/tmio_mmc.c: In function 'tmio_mmc_resume': drivers/mmc/host/tmio_mmc.c:45: warning: unused variable 'mmc' Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: esdhc-imx: fix card interrupt loss on freescale eSDHCTony Lin1-9/+31
Apply a workaround for the imx eSDHC controller to avoid missing card interrupts. This makes SDIO work. Signed-off-by: Tony Lin <tony.lin@freescale.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: sdhci-s3c: Fix build for header changeMark Brown1-0/+1
A header change has removed an implicit inclusion of module.h, breaking the build due to the use of THIS_MODULE. Fix that. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: dw_mmc: Fix mask in IDMAC_SET_BUFFER1_SIZE macroShashidhar Hiremath1-1/+1
The mask used inside this macro was assuming Buffer_Size1's [BS1's] width to be 14 bits, it is actually 13 bits. Modify masks used in IDMAC_SET_BUFFER1_SIZE such that they use only 13 bits instead of current 14. Signed-off-by: Shashidhar Hiremath <shashidharh@vayavyalabs.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: cb710: fix possible pci_dev leak in cb710_pci_configure()Michał Mirosław1-1/+2
Reported-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: core: Detect eMMC v4.5 ext_csd entriesKyungmin Park1-1/+1
The eMMC v4.5 Spec is released now: EXT_CSD_REV Extended CSD Revision 255-7 Reserved 6 Revision 1.6 (for MMC v4.5) 5 Revision 1.5 (for MMV v4.41) ... Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: mmc_test: avoid stalled file in debugfsAndy Shevchenko1-26/+30
During card removal and inserting cycle the test file in the debugfs could be stalled until the host driver removes it. Let's keep the file in the linked list and destroy it when card is removed. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Per Forlin <per.forlin@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: sdhci-s3c: add BROKEN_ADMA_ZEROLEN_DESC quirkJaehoon Chung1-0/+3
Samsung SoCs need to set BROKEN_ADMA_ZEROLEN_DESC. (If ADMA operation is more than 65535, maybe set by zero.) Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: sdhci: pxav3: controller needs 32 bit ADMA addressingPhilip Rakity1-1/+2
Enable the quirk. (Best used in conjunction with patch downgrading ADMA to SDMA when transfer is not aligned.) Signed-off-by: Philip Rakity <prakity@marvell.com> Acked-by: Zhangfei Gao <zhangfei.gao@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-13mmc: sdhci: fix retuning timer wrongly deleted in sdhci_tasklet_finishAaron Lu1-3/+0
Currently, the retuning timer for retuning mode 1 will be deleted in function sdhci_tasklet_finish after a mmc request done, which will make retuning timing never trigger again. This patch fixed this problem. Signed-off-by: Aaron Lu <Aaron.Lu@amd.com> Reviewed-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-08-12Merge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds1-0/+7
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6: dt: add empty of_get_property for non-dt
2011-08-12Merge branch 'usb-linus' of ↵Linus Torvalds24-126/+113
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 * 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (30 commits) USB: Serial: Add PID(0xF7C0) to FTDI SIO driver for a zeitcontrol-device USB: Serial: Add device ID for Sierra Wireless MC8305 USB: Serial: Added device ID for Qualcomm Modem in Sagemcom's HiLo3G usb/host/pci-quirks.c: correct annotation of `ehci_dmi_nohandoff_table' USB: option driver: add PID for Vodafone-Huawei K4511 USB: option driver: add PID for Vodafone-Huawei K4510 USB: option driver: add PID for Vodafone-Huawei K3771 USB: option driver: add PID for Vodafone-Huawei K3770 usb: serial: ftdi_sio.c: For the FT232H FTDI_SIO_SET_BAUDRATE_REQUEST, index needs to be shifted too usb/isp1760: Added missing call to usb_hcd_check_unlink_urb() during unlink USB: EHCI: Fix test mode sequence USB: ftdi_sio: fix minor typo in get_ftdi_divisor USB: at91_udc: include linux/prefetch.h explicitly USB: usb-storage: unusual_devs entry for ARM V2M motherboard. usb/ehci-mxc: add missing inclusion of mach/hardware.h USB: assign instead of equal in usbtmc.c usb: renesas_usbhs: fixup usbhsg_for_each_uep 1st pos usb: renesas_usbhs: fix DMA build by including dma-mapping.h usb: gadget: net2272 - Correct includes usb: musb: fix oops on musb_gadget_pullup ...
2011-08-12Merge branch 'staging-linus' of ↵Linus Torvalds21-95/+111
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 * 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: zcache: Fix build error when sysfs is not defined zcache: Use div_u64 for 64-bit division staging:rts_pstor: fix thread synchronization flow drivers:staging:solo6x10:add the missed slab.h staging: zcache: include module.h for MODULE_LICENSE drivers/staging/hv/blkvsc_drv.c: eliminate NULL pointer dereference Staging: Add clk API note to nvec/TODO drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c: adjust array index staging: more missing slab.h inclusions drivers/staging/solo6x10/p2m.c needs slab.h drivers/staging/solo6x10/core.c needs slab.h drivers/staging/dt3155v4l/dt3155v4l.c needs slab.h drivers/staging/speakup/devsynth.c: fix "buffer size is not provably correct" error Staging: iio: add some unlocks to raw_read() functions staging: ft1000_proc needs asm/io.h for inw/outw on sparc staging: rtl8192u: declare MODULE_FIRMWARE gma500: Fix clashes with DRM updates staging: zcache: module is GPL staging: fix zcache building
2011-08-12Merge branch 'x86-vdso-for-linus' of ↵Linus Torvalds21-115/+194
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-tip * 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-tip: x86-64: Rework vsyscall emulation and add vsyscall= parameter x86-64: Wire up getcpu syscall x86: Remove unnecessary compile flag tweaks for vsyscall code x86-64: Add vsyscall:emulate_vsyscall trace event x86-64: Add user_64bit_mode paravirt op x86-64, xen: Enable the vvar mapping x86-64: Work around gold bug 13023 x86-64: Move the "user" vsyscall segment out of the data segment. x86-64: Pad vDSO to a page boundary
2011-08-12Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds26-204/+155
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: replace xfs_buf_geterror() with bp->b_error xfs: Check the return value of xfs_buf_read() for NULL "xfs: fix error handling for synchronous writes" revisited xfs: set cursor in xfs_ail_splice() even when AIL was empty xfs: Remove the macro XFS_BUFTARG_NAME xfs: Remove the macro XFS_BUF_TARGET xfs: Remove the macro XFS_BUF_SET_TARGET Replace the macro XFS_BUF_ISPINNED with helper xfs_buf_ispinned xfs: Remove the macro XFS_BUF_SET_PTR xfs: Remove the macro XFS_BUF_PTR xfs: Remove macro XFS_BUF_SET_START xfs: Remove macro XFS_BUF_HOLD xfs: Remove macro XFS_BUF_BUSY and family xfs: Remove the macro XFS_BUF_ERROR and family xfs: Remove the macro XFS_BUF_BFLAGS
2011-08-12Merge branch 'fixes' of ↵Linus Torvalds32-186/+252
git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (32 commits) ARM: mmp: Change the way we use timer 0 as clockevent timer. ARM: mmp: Switch to using timer 1 as clocksource timer. ARM: mmp: Also start timer 1 on boot. ARM: pxa168/gplugd: free correct GPIO ARM: pxa168/gplugd: get rid of mfp-gplugd.h ARM: pxa: fix logic error in PJ4 iWMMXt handling mach-sa1100: fix PCI build problem omap: timer: Set dmtimer used as clocksource in autoreload mode OMAP3: am3517crane: remove NULL board_mux from board file arm: mach-omap2: mux: use kstrdup() arch:arm:plat-omap:iovmm: remove unused variable 'va' Update Nook Color machine 3284 to common Encore name am3505/3517: Various platform defines for UART4 OMAP: hwmod: fix build break on non-OMAP4 multi-OMAP2 builds OMAP: Fix linking error in twl-common.c for OMAP2/3/4 only builds iMX: Fix build for iMX53 ARM: mx5: board-cpuimx51.c fixup irq_to_gpio() usage OMAP2+: PM: SmartReflex: use put_sync_suspend for IRQ-safe disabling OMAP3: beagle: don't touch omap_device internals OMAP1: enable GENERIC_IRQ_CHIP ...
2011-08-12xfs: replace xfs_buf_geterror() with bp->b_errorChandra Seetharaman2-3/+3
Since we just checked bp for NULL, it is ok to replace xfs_buf_geterror() with bp->b_error in these places. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2011-08-12xfs: Check the return value of xfs_buf_read() for NULLChandra Seetharaman2-0/+8
Check the return value of xfs_buf_read() for NULL and return ENOMEM if it is NULL. This is necessary in a few spots to avoid subsequent code blindly dereferencing the null buffer pointer. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2011-08-12Merge branch 'fixes' of ↵Arnd Bergmann14-70/+94
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into fixes
2011-08-12Merge branch 'fix/asoc' into for-linusTakashi Iwai18-19/+526
2011-08-12ASoC: Fix compile warning in wm8750.cTakashi Iwai1-1/+1
sound/soc/codecs/wm8750.c:784:2: warning: missing braces around initializer sound/soc/codecs/wm8750.c:784:2: warning: (near initialization for ‘wm8750_spi_ids[2].name’) It's because struct spi_device_id.name is a char array, not a pointer, while the driver initializes explicitly with 0. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-08-12Merge branch 'fix' of ↵Arnd Bergmann5-85/+94
git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into fixes
2011-08-12Merge branch 'imx-fixes-for-arnd' of ↵Arnd Bergmann12-31/+63
git://git.pengutronix.de/git/imx/linux-2.6 into fixes
2011-08-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds46-106/+604
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits) e1000e: increase driver version number e1000e: alternate MAC address update e1000e: do not disable receiver on 82574/82583 e1000e: alternate MAC address does not work on device id 0x1060 PCnet: Fix section mismatch bnx2x: disable dcb on 578xx since not supported yet bnx2x: properly clean indirect addresses bnx2x: prevent race between undi_unload and load flows bnx2x: fix select_queue when FCoE is disabled bnx2x: init FCOE FP only once ipv4: some rt_iif -> rt_route_iif conversions net/bridge/netfilter/ebtables.c: use available error handling code net/netlabel/netlabel_kapi.c: add missing cleanup code net/irda: sh_sir: tidyup compile warning net/irda: sh_sir: add missing header net/irda: sh_irda: add missing header slcan: ldisc generated skbs are received in softirq context scm: Capture the full credentials of the scm sender tcp: initialize variable ecn_ok in syncookies path drivers/net/wireless/wl1251: add missing kfree ...
2011-08-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds1-6/+7
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc: Don't do hypervisor calls on non-sun4v in DS driver.
2011-08-11Merge branch 'for-davem' of ↵David S. Miller9-26/+49
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2011-08-12ASoC: omap: Update e-mail address of Jarkko NikulaJarkko Nikula8-11/+11
My gmail account got disabled and I'm not going to reopen it. Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-11sparc: Don't do hypervisor calls on non-sun4v in DS driver.David S. Miller1-6/+7
Reported-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-11pnfs: Automatically select blocks & objects layoutsBoaz Harrosh1-14/+4
Just like files-layout, blocks & objects layouts are part of the NFS 4.1 protocol and should be automatically selected if NFS_4_1 is selected. The small problem is that these depend on other Kernel support being present, while files only depends on NFS itself. This patch removes from the user choice the presence of objects and blocks layout. But makes sure these are selected only if the depended subsystems are present in the Kernel. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-12ASoC: SAMSUNG: Add I2S0 internal dma driverSangbeom Kim3-0/+481
I2S in Exynos4 and S5PC110(S5PV210) has a internal dma. It can be used low power audio mode and 2nd channel transfer. This patch can support idma. [Reapplied after dependencies propagated through in 3.1-rc1. --broonie] Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-11ext4: Properly count journal credits for long symlinksEric Sandeen1-2/+4
Commit df5e6223407e ("ext4: fix deadlock in ext4_symlink() in ENOSPC conditions") recalculated the number of credits needed for a long symlink, in the process of splitting it into two transactions. However, the first credit calculation under-counted because if selinux is enabled, credits are needed to create the selinux xattr as well. Overrunning the reservation will result in an OOPS in jbd2_journal_dirty_metadata() due to this assert: J_ASSERT_JH(jh, handle->h_buffer_credits > 0); Fix this by increasing the reservation size. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Jan Kara <jack@suse.cz> Acked-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-11ext3: Properly count journal credits for long symlinksEric Sandeen1-2/+4
Commit ae54870a1dc9 ("ext3: Fix lock inversion in ext3_symlink()") recalculated the number of credits needed for a long symlink, in the process of splitting it into two transactions. However, the first credit calculation under-counted because if selinux is enabled, credits are needed to create the selinux xattr as well. Overrunning the reservation will result in an OOPS in journal_dirty_metadata() due to this assert: J_ASSERT_JH(jh, handle->h_buffer_credits > 0); Fix this by increasing the reservation size. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Jan Kara <jack@suse.cz> Acked-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-11e1000e: increase driver version numberBruce Allan1-1/+1
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-08-11e1000e: alternate MAC address updateBruce Allan1-2/+2
If word 0x37 in the EEPROM is 0xFFFF _or_ 0x0000, then there is no alternate MAC address in the EEPROM. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-08-11e1000e: do not disable receiver on 82574/82583Bruce Allan4-5/+12
Due to a hardware erratum, the receiver on 82574 and 82583 should not be stopped once it has been started. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-08-11e1000e: alternate MAC address does not work on device id 0x1060Bruce Allan1-1/+2
This issue is present all the way back to 2.6.34 kernels. CC: <stable@kernel.org> Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Jeffrey Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-08-11move RLIMIT_NPROC check from set_user() to do_execve_common()Vasiliy Kulikov5-8/+32
The patch http://lkml.org/lkml/2003/7/13/226 introduced an RLIMIT_NPROC check in set_user() to check for NPROC exceeding via setuid() and similar functions. Before the check there was a possibility to greatly exceed the allowed number of processes by an unprivileged user if the program relied on rlimit only. But the check created new security threat: many poorly written programs simply don't check setuid() return code and believe it cannot fail if executed with root privileges. So, the check is removed in this patch because of too often privilege escalations related to buggy programs. The NPROC can still be enforced in the common code flow of daemons spawning user processes. Most of daemons do fork()+setuid()+execve(). The check introduced in execve() (1) enforces the same limit as in setuid() and (2) doesn't create similar security issues. Neil Brown suggested to track what specific process has exceeded the limit by setting PF_NPROC_EXCEEDED process flag. With the change only this process would fail on execve(), and other processes' execve() behaviour is not changed. Solar Designer suggested to re-check whether NPROC limit is still exceeded at the moment of execve(). If the process was sleeping for days between set*uid() and execve(), and the NPROC counter step down under the limit, the defered execve() failure because NPROC limit was exceeded days ago would be unexpected. If the limit is not exceeded anymore, we clear the flag on successful calls to execve() and fork(). The flag is also cleared on successful calls to set_user() as the limit was exceeded for the previous user, not the current one. Similar check was introduced in -ow patches (without the process flag). v3 - clear PF_NPROC_EXCEEDED on successful calls to set_user(). Reviewed-by: James Morris <jmorris@namei.org> Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Acked-by: NeilBrown <neilb@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-11Merge branch 'master' of ↵John W. Linville9-26/+49
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2011-08-11hwmon: (ibmaem) add missing kfreeJulia Lawall1-5/+10
rs_resp is dynamically allocated in aem_read_sensor(), so it should be freed before exiting in every case. This collects the kfree and the return at the end of the function. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: stable@kernel.org # 2.6.27+
2011-08-11hwmon: (pmbus/lm25066) Ignore byte writes to non-zero pagesGuenter Roeck1-0/+12
pmbus_clear_faults() attempts to clear faults on non-existing real pages. As a result, the command error bit in the status register is set, and faults are not really cleared. All byte writes to non-zero pages are requests to clear the status register on that page. Since non-zero pages are virtual and do not exist on the chip, there is nothing to do, and such requests have to be ignored. This fixes above problem. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2011-08-11hwmon: (pmbus) Virtualize pmbus_write_byteGuenter Roeck2-1/+20
With virtual pages and to be able to handle more chips, it is necessary to virtualise pmbus_write_byte(). Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2011-08-11Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds16-68/+239
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf symbols: Check '/tmp/perf-' symbol file ownership perf sched: Usage leftover from trace -> script rename perf sched: Do not delete session object prematurely perf tools: Check $HOME/.perfconfig ownership perf, x86: Add model 45 SandyBridge support perf tools: Add support to install perf python extension perf tools: do not look at ./config for configuration perf tools: Make clean leaves some files perf lock: Dropping unsupported ':r' modifier perf probe: Fix coredump introduced by probe module option jump label: Reduce the cycle count by changing the link order perf report: Use ui__warning in some more places perf python: Add PERF_RECORD_{LOST,READ,SAMPLE} routine tables perf evlist: Introduce 'disable' method trace events: Update version number reference to new 3.x scheme for EVENT_POWER_TRACING_DEPRECATED perf buildid-cache: Zero out buffer of filenames when adding/removing buildid
2011-08-11MAINTAINERS: Update linus' git repositoryTracey Dent1-1/+1
Change to new git tree - (git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git). Signed-off-by: Tracey Dent <tdent48227@gmail.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-11Revert "EDAC: Correct Kconfig dependencies"Linus Torvalds1-2/+3
This reverts commit af9d220bac41dc3201893e1601cc7c44f7da4498. It turns out that one was meant to be applied on top of the edac.git tree in -next that has more i7core_edac changes, but that wasn't clear in the original email. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Borislav Petkov <borislav.petkov@amd.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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