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Commit Graph

253867 Commits

Author SHA1 Message Date
Michal Hocko
7f81c8890c fs/exec.c: use BUILD_BUG_ON for VM_STACK_FLAGS & VM_STACK_INCOMPLETE_SETUP
Commit a8bef8ff6e ("mm: migration: avoid race between shift_arg_pages()
and rmap_walk() during migration by not migrating temporary stacks")
introduced a BUG_ON() to ensure that VM_STACK_FLAGS and
VM_STACK_INCOMPLETE_SETUP do not overlap.  The check is a compile time
one, so BUILD_BUG_ON is more appropriate.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15 20:03:59 -07:00
Randy Dunlap
b0825ee3a8 lib/bitmap.c: fix kernel-doc notation
Fix new kernel-doc warnings in lib/bitmap.c:

  Warning(lib/bitmap.c:596): No description found for parameter 'buf'
  Warning(lib/bitmap.c:596): Excess function parameter 'bp' description in '__bitmap_parselist'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15 20:03:59 -07:00
Randy Dunlap
0164f69d0c mm/memory.c: fix kernel-doc notation
Fix new kernel-doc warnings in mm/memory.c:

  Warning(mm/memory.c:1327): No description found for parameter 'tlb'
  Warning(mm/memory.c:1327): Excess function parameter 'tlbp' description in 'unmap_vmas'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15 20:03:59 -07:00
Andrea Arcangeli
f300ea4997 mm: remove khugepaged double thp vmstat update with CONFIG_NUMA=n
Johannes noticed the vmstat update is already taken care of by
khugepaged_alloc_hugepage() internally.  The only places that are required
to update the vmstat are the callers of alloc_hugepage (callers of
khugepaged_alloc_hugepage aren't).

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reported-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Johannes Weiner <jweiner@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15 20:03:58 -07:00
Eric W. Biederman
793925334f proc: Fix Oops on stat of /proc/<zombie pid>/ns/net
Don't call iput with the inode half setup to be a namespace filedescriptor.
Instead rearrange the code so that we don't initialize ei->ns_ops until
after I ns_ops->get succeeds, preventing us from invoking ns_ops->put
when ns_ops->get failed.

Reported-by: Ingo Saitz <Ingo.Saitz@stud.uni-hannover.de>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2011-06-15 14:35:29 -07:00
Michal Marek
569658dddf kbuild: Call depmod.sh via shell
The script has the executable bit in git, but plain old patch(1) can't
create executable files.

Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-06-15 22:15:47 +02:00
Andy Whitcroft
37aa9a2eb4 perf: clear out make flags when calling kernel make kernelver
When generating the perf version from the kernel version using 'make
kernelver' it is necessary to clear out any MAKEFLAGS otherwise they may
trigger additional output which pollute the contents.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-06-15 22:12:55 +02:00
Takashi Iwai
e72888e91c ALSA: lola - Fix section mismatch
Add missing __devinit.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-06-15 15:14:49 +02:00
Steven Rostedt
0da938c449 sched: Check if lowest_mask is initialized in find_lowest_rq()
On system boot up, the lowest_mask is initialized with an
early_initcall(). But RT tasks may wake up on other
early_initcall() callers before the lowest_mask is initialized,
causing a system crash.

Commit "d72bce0e67 rcu: Cure load woes" was the first commit
to wake up RT tasks in early init. Before this commit this bug
should not happen.

Reported-by: Andrew Theurer <habanero@linux.vnet.ibm.com>
Tested-by: Andrew Theurer <habanero@linux.vnet.ibm.com>
Tested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20110614223657.824872966@goodmis.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-06-15 11:44:48 +02:00
Hillf Danton
8dd0de8be3 sched: Fix need_resched() when checking peempt
The RT preempt check tests the wrong task if NEED_RESCHED is
set. It currently checks the local CPU task. It is supposed to
check the task that is running on the runqueue we are about to
wake another task on.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Reviewed-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20110614223657.450239027@goodmis.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-06-15 09:50:32 +02:00
Kuninori Morimoto
05a7929f31 ARM: mach-shmobile: mackerel: tidyup usbhs driver settings
- usb0 pipe is same as default. own pipe config is not needed
- usb1 lost get_id function

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-15 16:03:17 +09:00
Guennadi Liakhovetski
d521dd944e fbdev: sh_mobile_hdmi: fix regression: statically enable RTPM
A recent modification to the runtime PM code on mach-shmobile made a wrong
RTPM implementation in the sh_mobile_hdmi driver apparent, which broke
HDMI hotplug detection support on ap4evb. This patch does not implement a
proper dynamic RTPM support for sh_mobile_hdmi, instead it restores the
previous working state by statically enabling it. A more power-efficient
solution should be implemented for the next kernel version.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-15 14:51:46 +09:00
Randy Dunlap
ada9c93312 signal.c: fix kernel-doc notation
Fix kernel-doc warnings in signal.c:

  Warning(kernel/signal.c:2374): No description found for parameter 'nset'
  Warning(kernel/signal.c:2374): Excess function parameter 'set' description in 'sys_rt_sigprocmask'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-14 19:12:17 -07:00
James Morris
82b88bb24e Merge branch 'for-linus' of git://git.infradead.org/users/eparis/selinux into for-linus 2011-06-15 09:41:48 +10:00
Andy Whitcroft
60b8b1de0d x86 idle: APM requires pm_idle/default_idle unconditionally when a module
[ Also from Ben Hutchings <ben@decadent.org.uk> and Vitaliy Ivanov
  <vitalivanov@gmail.com> ]

Commit 06ae40ce07 ("x86 idle: EXPORT_SYMBOL(default_idle, pm_idle)
only when APM demands it") removed the export for pm_idle/default_idle
unless the apm module was modularised and CONFIG_APM_CPU_IDLE was set.

But the apm module uses pm_idle/default_idle unconditionally,
CONFIG_APM_CPU_IDLE only affects the bios idle threshold.  Adjust the
export accordingly.

[ Used #ifdef instead of #if defined() as it's shorter, and what both
  Ben and Vitaliy used.. Andy, you're out-voted ;)    - Linus ]

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-14 13:42:20 -07:00
Linus Torvalds
3a2289a4a3 Merge branch 'for-linus-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: use kernel processor defines for conditional optimizations
  m68knommu: create config options for CPU classes
  m68knommu: fix linker script exported name sections
2011-06-14 11:28:54 -07:00
Linus Torvalds
ca5432010e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  TOMOYO: Fix oops in tomoyo_mount_acl().
2011-06-14 11:28:38 -07:00
Linus Torvalds
4068b00e9d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/avr32-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/avr32-2.6:
  avr32, exec: remove redundant set_fs(USER_DS)
  avr32: make intc_resume() return void to conform to syscore_ops
  avr32: add some more at91 to cpu.h definition
  avr32: set CONFIG_CC_OPTIMIZE_FOR_SIZE=y for all defconfigs
  avr32/at32ap: fix mapping of platform device id for USART
  avr32: fix use of non-existing portnr variable in at32_map_usart()
2011-06-14 11:25:56 -07:00
Linus Torvalds
f39e840995 Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: Compare only lower 32 bits of framebuffer map offsets
  drm/i915: Don't leak in i915_gem_shmem_pread_slow()
  drm/radeon/kms: do bounds checking for 3D_LOAD_VBPNTR and bump array limit
  drm/radeon/kms: fix mac g5 quirk
  x86/uv/x2apic: update for change in pci bridge handling.
  alpha, drm: Remove obsolete Alpha support in MGA DRM code
  alpha/drm: Cleanup Alpha support in DRM generic code
  savage: remove unnecessary if statement
  drm/radeon: fix GUI idle IH debug statements
  drm/radeon/kms: check modes against max pixel clock
  drm: fix fbs in DRM_IOCTL_MODE_GETRESOURCES ioctl
2011-06-14 11:25:32 -07:00
Linus Torvalds
6211b3e1bb Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] update cifs version to 1.73
  [CIFS] trivial cleanup fscache cFYI and cERROR messages
  cifs: correctly handle NULL tcon pointer in CIFSTCon
  cifs: show sec= option in /proc/mounts
  cifs: don't allow cifs_reconnect to exit with NULL socket pointer
  CIFS: Fix sparse error
2011-06-14 11:24:40 -07:00
Linus Torvalds
81eb3dd843 Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md:
  md/raid5: remove unusual use of bio_iovec_idx()
  md/raid5: fix FUA request handling in ops_run_io()
  md/raid5: fix raid5_set_bi_hw_segments
  md:Documentation/md.txt - fix typo
  md/bitmap: remove unused fields from struct bitmap
  md/bitmap: use proper accessor macro
  md: check ->hot_remove_disk when removing disk
  md: Using poll  /proc/mdstat can monitor the events of adding a spare disks
  MD: use is_power_of_2 macro
  MD: raid5 do not set fullsync
  MD: support initial bitmap creation in-kernel
  MD: add sync_super to mddev_t struct
  MD: raid1 changes to allow use by device mapper
  MD: move thread wakeups into resume
  MD: possible typo
  MD: no sync IO while suspended
  MD: no integrity register if no gendisk
2011-06-14 11:21:21 -07:00
Linus Torvalds
3e483f4675 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] Remove cpufreq_stats sysfs entries on module unload.
  MAINTAINERS: Update CPU FREQUENCY patterns
2011-06-14 11:19:27 -07:00
Roy.Li
ded509880f SELinux: skip file_name_trans_write() when policy downgraded.
When policy version is less than POLICYDB_VERSION_FILENAME_TRANS,
skip file_name_trans_write().

Signed-off-by: Roy.Li <rongqing.li@windriver.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
2011-06-14 12:58:51 -04:00
Steve French
1252b3013b [CIFS] update cifs version to 1.73
Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-06-14 16:19:54 +00:00
Al Viro
c46a131c0c xfs: fix ->mknod() return value on xfs_get_acl() failure
->mknod() should return negative on errors and PTR_ERR() gives
already negative value...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
2011-06-14 11:02:13 -05:00
Steve French
040d15c867 [CIFS] trivial cleanup fscache cFYI and cERROR messages
... for uniformity and cleaner debug logs.

Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-06-14 15:51:18 +00:00
Tony Lindgren
b8ce9fb8e1 Merge branch 'fixes-v3.0-rc3' into devel-fixes 2011-06-14 05:53:42 -07:00
Kevin Hilman
e9e35c5a2b OMAP1: PM: register notifiers with generic clock ops even when !PM_RUNTIME
When runtime PM is disabled, device clocks need to be enabled on
device add and disabled on device remove.  This currently is not
happening because in the !PM_RUNTIME case, no notifiers are registered
for OMAP1 devices.

Fix this by ensuring notifiers are registered, even in the !PM_RUNTIME case.

Reported-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-06-14 05:53:18 -07:00
Mathias Krause
ff71db2f07 avr32, exec: remove redundant set_fs(USER_DS)
The address limit is already set in flush_old_exec() so this
set_fs(USER_DS) is redundant.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-06-14 13:38:24 +02:00
Hans-Christian Egtvedt
c162755491 avr32: make intc_resume() return void to conform to syscore_ops
This patch removes the unneeded, and now wrong, return 0 from intc_resume() and
lets the function return void instead. This matches the resume callback in
struct syscore_ops.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-06-14 13:37:31 +02:00
Nicolas Ferre
3000f0077a avr32: add some more at91 to cpu.h definition
Somme common drivers will need those at91 cpu_is_xxx() definitions.
Those definitions are already in Linus' tree so if we want to use them
in common drivers, we will need them in AVR32 cpu.h file.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-06-14 13:37:30 +02:00
Hans-Christian Egtvedt
a527a1453d avr32: set CONFIG_CC_OPTIMIZE_FOR_SIZE=y for all defconfigs
This patch makes sure the kconfig option CC_OPTIMIZE_FOR_SIZE is set to yes for
all default configuration files. This ensures the kernel is optimized for size,
and avoids potential relocation truncated to fit problems.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-06-14 13:37:29 +02:00
Hans-Christian Egtvedt
4137b31566 avr32/at32ap: fix mapping of platform device id for USART
This patch will fix the mapping of the platform device id when mapping USART
peripheral ID to UART platform device id. Not setting the platform device id
will in most cases (when you map USART > 0 to UART 0) make the console not
available.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-06-14 13:37:29 +02:00
Hans-Christian Egtvedt
7bbf1d46b2 avr32: fix use of non-existing portnr variable in at32_map_usart()
This patch fixes the use of the non-existing portnr variable in
at32_map_usart() to use the provided line number instead. Typo was introduced
in commit 2b348e2f82.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-06-14 13:37:28 +02:00
Geert Uytterhoeven
d64c132ffe fbdev/atyfb: Fix 2 defined-but-not-used warnings
If CONFIG_FB_ATY_BACKLIGHT=y but CONFIG_PCI=n:

drivers/video/aty/atyfb_base.c:2272: warning: ‘aty_bl_exit’ defined but not used

If CONFIG_ATARI=y for a modular build:

drivers/video/aty/atyfb_base.c:2794: warning: ‘store_video_par’ defined but not
used

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 16:37:49 +09:00
Wanlong Gao
e6b8480cdf efifb: Fix call to wrong unregister function
platform_device_unregister() needs to unregister the device, not the
driver.

Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com>
Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com>
Acked-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 16:37:46 +09:00
Mathias Krause
201fbceb25 sh, exec: remove redundant set_fs(USER_DS)
The address limit is already set in flush_old_exec() so those calls to
set_fs(USER_DS) are redundant.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 15:15:58 +09:00
Paul Mundt
9aa7719e0c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-fixes-for-linus 2011-06-14 15:15:49 +09:00
Magnus Damm
583af252ab drivers: sh: resume enabled clocks fix
Extend the SH / SH-Mobile ARM clock framework to only
resume clocks that have been enabled.

Without this fix divide-by-zero is triggering on sh7372
FSIDIV during system wide resume of Suspend-to-RAM.

Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 15:15:25 +09:00
Takashi Iwai
ca2585afa0 ALSA: hda - Fix missing static inline to beep dummy function
The commit 2308f4add3 missed static inline
thus it resulted in multiple-definitions error at linking.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-06-14 08:14:32 +02:00
Paul Mundt
311057250e ARM: mach-shmobile: Correct SCIF port types for SH7367.
While SH7377 and others were updated to properly use SCIFA/B port types,
SH7367 was left behind. Fix it up accordingly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 15:12:09 +09:00
Magnus Damm
485b2ab554 ARM: mach-shmobile: sh73a0 gic_arch_extn.irq_set_wake() fix
Initialize ->irq_set_wake() in gic_arch_extn to unbreak wake
up from the KEYSC device on AG5EVM in case of Suspend-to-RAM.

Without this patch "echo mem > /sys/power/state" and a key
press results in the following message on resume:

WARNING: at kernel/irq/manage.c:507 irq_set_irq_wake+0x7c/0xd8()
Unbalanced IRQ 103 wake disable

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 15:12:05 +09:00
Magnus Damm
e2a53b7c5b ARM: mach-shmobile: Mackerel USB platform data update
This patch updates the board specific USB support
code for the sh7372 Mackerel board.

With this patch applied port CN22 is driven by the
recently added renesas_usbhs driver using the first
USB controller included in sh7372 aka USBHS0.

Hotplugging of USBHS0 unfortunately has to be
handled by software polling. The sh7372 SoC itself
obviously supports hotplug notification by IRQ but
on the Mackerel board this IRQ happens to be used
for the touch screen.

Also fix the pinmux configuration to avoid setting
up unused pins and fix minor spelling errors.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 15:11:49 +09:00
Magnus Damm
5294206053 ARM: mach-shmobile: AG5EVM SDHI1 platform data update
Add a flag for SDHI1 to enable SDIO IRQ, and remove DMA Engine
slave id:s to disable DMA as a workaround.

Tested on sh73a0/AG5EVM with a BCM4318-based SDIO card.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 15:11:45 +09:00
Magnus Damm
dcee0bb713 dmaengine: shdma: SH_DMAC_MAX_CHANNELS message fix
Fix the recently added SH_DMAC_MAX_CHANNELS handling code in
300e5f9 dmaengine: shdma: Fix SH_DMAC_MAX_CHANNELS handling

Without this fix the shdma driver outputs silly messages in
case SH_DMAC_MAX_CHANNELS happens to match the platform data:

sh-dma-engine sh-dma-engine.0: Attempting to register 20 DMA channels when a max
imum of 20 are supported.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-06-14 15:03:07 +09:00
Jesper Juhl
37f7ec38ea ALSA: 6fire: Fix double-free bug in usb6fire_fw_ezusb_upload()
We have a double-free bug in
sound/usb/6fire/firmware.c::usb6fire_fw_ezusb_upload().
We already call release_firmware(fw) on line 258, so when we then do it
again after usb6fire_fw_ezusb_write() returns <0, we have a double-free.
Easily fixed by just removing the last call to release_firmware().

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-06-14 07:27:26 +02:00
Tetsuo Handa
4e78c724d4 TOMOYO: Fix oops in tomoyo_mount_acl().
In tomoyo_mount_acl() since 2.6.36, kern_path() was called without checking
dev_name != NULL. As a result, an unprivileged user can trigger oops by issuing
mount(NULL, "/", "ext3", 0, NULL) request.
Fix this by checking dev_name != NULL before calling kern_path(dev_name).

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: stable@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
2011-06-14 15:18:42 +10:00
Namhyung Kim
fcde90759a md/raid5: remove unusual use of bio_iovec_idx()
In the bio_for_each_segment loop, bvl always points current
bio_vec, so the same as bio_iovec_idx(, i). Let's get rid of
it.

Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2011-06-14 14:23:57 +10:00
Namhyung Kim
b062962edb md/raid5: fix FUA request handling in ops_run_io()
Commit e9c7469bb4 ("md: implment REQ_FLUSH/FUA support")
introduced R5_WantFUA flag and set rw to WRITE_FUA in that case.
However remaining code still checks whether rw is exactly same
as WRITE or not, so FUAed-write ends up with being treated as
READ. Fix it.

This bug has been present since 2.6.37 and the fix is suitable for any
-stable kernel since then.  It is not clear why this has not caused
more problems.

Cc: Tejun Heo <tj@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2011-06-14 14:20:19 +10:00
Namhyung Kim
9b2dc8b665 md/raid5: fix raid5_set_bi_hw_segments
The @bio->bi_phys_segments consists of active stripes count in the
lower 16 bits and processed stripes count in the upper 16 bits. So
logical-OR operator should be bitwise one.

This bug has been present since 2.6.27 and the fix is suitable for any
-stable kernel since then.  Fortunately the bad code is only used on
error paths and is relatively unlikely to be hit.

Cc: stable@kernel.org
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2011-06-14 14:09:41 +10:00