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Commit 'Short write in nfsd becomes a full write to the client'
(31dec2538e45e9fff2007ea1f4c6bae9f78db724) broken the sync write.
With the following commands to reproduce:
$ mount -t nfs -o sync 192.168.0.21:/nfsroot /mnt
$ cd /mnt
$ echo aaaa > temp.txt
Then nfs client is hung up.
In SYNC mode the server alaways return the write count 0 to the
client. This is because the value of host_err in nfsd_vfs_write()
will be overwrite in SYNC mode by 'host_err=nfsd_sync(file);',
and then we return host_err(which is now 0) as write count.
This patch fixed the problem.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] mpt2sas: fix driver version inconsistency
[SCSI] 3w-xxxx: scsi_dma_unmap fix
[SCSI] 3w-9xxx: scsi_dma_unmap fix
[SCSI] ses: fix problems caused by empty SES provided name
[SCSI] fc-transport: Close state transition-window during rport deletion.
[SCSI] initialize max_target_blocked in scsi_alloc_target
[SCSI] fnic: Add new Cisco PCI-Express FCoE HBA
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Avoid open on possible directories since Samba now rejects them
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Small change (mostly formatting) to limit lookup based open calls to
file create only.
After discussion yesteday on samba-technical about the posix lookup
regression, and looking at a problem with cifs posix open to one
particular Samba version, Jeff and JRA realized that Samba server's
behavior changed in this area (posix open behavior on files vs.
directories). To make this behavior consistent, JRA just made a
fix to Samba server to alter how it handles open of directories (now
returning the equivalent of EISDIR instead of success). Since we don't
know at lookup time whether the inode is a directory or file (and
thus whether posix open will succeed with most current Samba server),
this change avoids the posix open code on lookup open (just issues
posix open on creates). This gets the semantic benefits we want
(atomicity, posix byte range locks, improved write semantics on newly
created files) and file create still is fast, and we avoid the problem
that Jeff noticed yesterday with "openat" (and some open directory
calls) of non-cached directories to one version of Samba server, and
will work with future Samba versions (which include the fix jra just
pushed into Samba server). I confirmed this approach with jra
yesterday and with Shirish today.
Posix open is only called (at lookup time) for file create now.
For opens (rather than creates), because we do not know if it
is a file or directory yet, and current Samba no longer allows
us to do posix open on dirs, we could end up wasting an open call
on what turns out to be a dir. For file opens, we wait to call posix
open till cifs_open. It could be added here (lookup) in the future
but the performance tradeoff of the extra network request when EISDIR
or EACCES is returned would have to be weighed against the 50%
reduction in network traffic in the other paths.
Reviewed-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Tested-by: Jeff Layton <jlayton@redhat.com>
CC: Jeremy Allison <jra@samba.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Actually the icom driver is crashing when is being removed because
the driver is kfreeing the adapter structure before calling
pci_release_regions(), which result in the following error:
Unable to handle kernel paging request for data at address 0x6b6b6b6b6b6b6d33
Faulting instruction address: 0xc000000000246b80
Oops: Kernel access of bad area, sig: 11 [#1]
....
[c000000012d436a0] [c0000000001002d0] .kfree+0x120/0x34c (unreliable)
[c000000012d43730] [c000000000246d60] .pci_release_selected_regions+0x3c/0x68
[c000000012d437c0] [d000000002d54700] .icom_kref_release+0xf4/0x118 [icom]
[c000000012d43850] [c000000000232e50] .kref_put+0x74/0x94
[c000000012d438d0] [d000000002d56c58] .icom_remove+0x40/0xa4 [icom]
[c000000012d43960] [c000000000249e48] .pci_device_remove+0x50/0x90
[c000000012d439e0] [c0000000002d68d8] .__device_release_driver+0x94/0xd4
[c000000012d43a70] [c0000000002d7104] .driver_detach+0xf8/0x12c
[c000000012d43b00] [c0000000002d549c] .bus_remove_driver+0xbc/0x11c
[c000000012d43b90] [c0000000002d71dc] .driver_unregister+0x60/0x80
[c000000012d43c20] [c00000000024a07c] .pci_unregister_driver+0x44/0xe8
[c000000012d43cb0] [d000000002d56bf4] .icom_exit+0x1c/0x40 [icom]
[c000000012d43d30] [c000000000095fa8] .SyS_delete_module+0x214/0x2a8
[c000000012d43e30] [c00000000000852c] syscall_exit+0x0/0x40
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Cc: stable@kernel.org
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: Kill truncate warning by shortening Sigmatel-specific AC97 control name
ALSA: hda - fix audio on HP TX25xx series notebooks
ALSA: pcsp - fix printk format warning again
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* fix/misc:
ALSA: Kill truncate warning by shortening Sigmatel-specific AC97 control name
ALSA: pcsp - fix printk format warning again
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ALSA sound/core/control.c:232: Control name 'Sigmatel Surround Phase
Inversion Playback Switch' truncated to 'Sigmatel Surround Phase
Inversion Playback ' bootup message by omitting weird Sigmatel prefix
in this case; also fix up the related ca0106 mixer control removal
part by using identical naming there.
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
nilfs2: fix memory leak in nilfs_ioctl_clean_segments
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git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
via82cxxx: Add VIA VX855 PCI Device ID
ide: report timeouts in ide_busy_sleep()
ide: improve failed opcode reporting
ide: fix printk() levels in ide_dump_ata[pi]_error()
ide: fix OOPS during ide-cd error recovery
ide: fix 40-wire cable detection for TSST SH-S202* ATAPI devices (v2)
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] fix posix open regression
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: IP32: Remove unnecessary if not even harmful volatile keywords.
MIPS: IP32: Fix build error due to uninitialized variable.
MIPS: Fix sparse warning in incompatiable argument type of clear_user.
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/maple: Add a quirk to disable MSI for IPR on Bimini
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.30' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
video: stop sh_mobile_lcdcfb only if started
sh: ap325 camera without i2c driver fix
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Instead of queuing IPMB messages before channel initialization, just
throw them away. Nobody will be listening for them at this point,
anyway, and they will clog up the queue and nothing will be delivered
if we queue them.
Also set the current channel to the number of channels, as this value
is used to tell if the channel information has been initialized.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Ferenc Wagner <wferi@niif.hu>
Cc: Dan Frazier <dannf@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds the PCI Device ID 0xc409 to the PCI ID table of via82cxxx.c,
as well as the 0x8409 south bridge ID.
This is required to make the IDE driver work on the VX855/VX875 integrated
chipset.
Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Bruce Chang <BruceChang@via.com.tw>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* change 'hwif' argument to 'drive'
* report an error on timeout
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Nowadays we (almost) always store the currently executing command
in hwif->cmd so we can use it for the failed opcode reporting.
Cc: Martin Lottermoser <Martin.Lottermoser@t-online.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Fixes "<3>" in error messages like this one:
hdc: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 }
Reported-by: Martin Lottermoser <Martin.Lottermoser@t-online.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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On Tuesday 19 May 2009 20:29:28 Martin Lottermoser wrote:
> hdc: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 }
> ide: failed opcode was: unknown
> hdc: DMA disabled
> ------------[ cut here ]------------
> kernel BUG at drivers/ide/ide-io.c:872!
It is possible for ide-cd to ignore ide_error()'s return value under
some circumstances. Workaround it in ide_intr() and ide_timer_expiry()
by checking if there is a device/port reset pending currently.
Fixes bug #13345:
http://bugzilla.kernel.org/show_bug.cgi?id=13345
Reported-by: Martin Lottermoser <Martin.Lottermoser@t-online.de>
Reported-and-tested-by: Modestas Vainius <modestas@vainius.eu>
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Since 2.6.26 we support UDMA66 on ATAPI devices requiring IVB quirk:
commit 8588a2b732928b343233af9b1855705b8286bed4
("ide: add SH-S202J to ivb_list[]")
We also later added support for more such devices in:
commit e97564f362a93f8c248246c19828895950341252
("ide: More TSST drives with broken cable detection")
and in:
commit 3ced5c49bd2d1f2c7f769e3a54385883de63a652
("ide: add TSSTcorp CDDVDW SH-S202H to ivb_list[]")
It turns out that such devices lack cable detection altogether
(which in turn results in incorrect detection of 40-wire cables
by our current cable detection strategy) so always handle them
by trusting host-side cable detection only.
v2:
Model detection fixup from Martin.
Reported-and-tested-by: Martin Lottermoser <Martin.Lottermoser@t-online.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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They are unneeded and as the issue fixed in lmo commit
63f7ec59053e3f850ab67a9938e631bcba64c6ce shows even harmful.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/sgi-ip32/ip32-reset.o
cc1: warnings being treated as errors
arch/mips/sgi-ip32/ip32-reset.c: In function 'debounce':
arch/mips/sgi-ip32/ip32-reset.c:97: error: 'reg_a' is used uninitialized in this function
The issues is old but due to the volatile keyword gcc older than 4.4 did
not warn about this obvious bug.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The type of the second argument of access_ok should be (void __user *).
The unnecessary conversion of the clear_user address argument was causing
sparse to emit warnings on the __chk_user_ptr check.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This fixes a new memory leak problem in garbage collection. The
problem was brought by the bugfix patch ("nilfs2: fix lock order
reversal in nilfs_clean_segments ioctl").
Thanks to Kentaro Suzuki for finding this problem.
Reported-by: Kentaro Suzuki <k_suzuki@ms.sylc.co.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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* fix/hda:
ALSA: hda - fix audio on HP TX25xx series notebooks
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Fixes https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4121
Taken from https://bugzilla.redhat.com/show_bug.cgi?id=498060
Signed-off-by: Adam Williamson <awilliam@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Something in the HW or FW setup is busted and MSIs aren't working with
IPR on Bimini, so until we figure out exaxtly what's up, we quirk them
out
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This patch fixes the LCDC driver to avoid calling the
function sh_mobile_lcdc_start_stop(priv, 0) unless the
same function has been called before to start the LCDC
hardware.
Triggered when sh_mobile_lcdcfb.c failed to probe() due to
missing MSTP clocks.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch fixes the ap325rxa ncm03j camera code to handle
the case where no i2c driver is present. Without this fix
i2c_transfer() may be passed NULL as adapter which results
in a crash.
Triggered when i2c-sh_mobile.c failed to probe() due to
missing MSTP clocks.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Posix open code was not properly adding the file to the
list of open files. Fix allocating cifsFileInfo
more than once, and adding twice to flist and tlist.
Also fix mode setting to be done in one place in these
paths.
Signed-off-by: Steve French <sfrench@us.ibm.com>
Reviewed-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Tested-by: Jeff Layton <jlayton@redhat.com>
Tested-by: Luca Tettamanti <kronos.it@gmail.com>
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My old address will shut down in a few days time: remove it from the tree,
and add a tmpfs (shmem filesystem) maintainer entry with the new address.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI PM: Fix initialization and kexec breakage for some devices
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-2.6:
drm: Copy back ioctl data to userspace regardless of return code.
drm: Round size of SHM maps to PAGE_SIZE
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: 64-bit: Fix system lockup.
MIPS: IP28: Change to build with -mr10k-cache-barrier=store
MIPS: IP22: Fix hang in power button interrupt handler
MIPS: IP32: Fix hang on shutdown in power button interrupt handler.
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* master.kernel.org:/home/rmk/linux-2.6-arm: (25 commits)
[ARM] 5519/1: amba probe: pass "struct amba_id *" instead of void *
[ARM] 5517/1: integrator: don't put clock lookups in __initdata
[ARM] 5518/1: versatile: don't put clock lookups in __initdata
[ARM] mach-l7200: fix spelling of SYS_CLOCK_OFF
[ARM] Double check memmap is actually valid with a memmap has unexpected holes V2
[ARM] realview: fix broadcast tick support
[ARM] realview: remove useless smp_cross_call_done()
[ARM] smp: fix cpumask usage in ARM SMP code
[ARM] 5513/1: Eurotech VIPER SBC: fix compilation error
[ARM] 5509/1: ep93xx: clkdev enable UARTS
ARM: OMAP2/3: Change omapfb to use clkdev for dispc and rfbi, v2
ARM: OMAP3: Fix HW SAVEANDRESTORE shift define
ARM: OMAP3: Fix number of GPIO lines for 34xx
[ARM] S3C: Do not set clk->owner field if unset
[ARM] S3C2410: mach-bast.c registering i2c data too early
[ARM] S3C24XX: Fix unused code warning in arch/arm/plat-s3c24xx/dma.c
[ARM] S3C64XX: fix GPIO debug
[ARM] S3C64XX: GPIO include cleanup
[ARM] nwfpe: fix 'floatx80_is_nan' sparse warning
[ARM] nwfpe: Add decleration for ExtendedCPDO
...
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The second argument of the probe method points to the amba_id
structure, so it's better passed with the correct type. None of the
current in-tree drivers uses the pointer, so they have only been
checked for a clean compile.
Change suggested by Russell King.
Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fixes a regression from commit 9d5b3ffc42f7820e8ee07705496955e4c2c38dd9
('drm: fixup some of the ioctl function exit paths'): The vblank ioctl
needs to update the userspace parameters when interrupted by a signal,
which was prevented by the return code check. This could cause the X
server to hang in drmWaitVBlank().
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The address range size calculation inside local_flush_tlb_kernel_range()
is being truncated by a too small size variable holder on 64-bit systems.
The truncated size can result in an erroneous tlbsize check that means we
sit spinning inside a loop trying to flush a hige number of TLB entries.
This is for all intents and purposes a system hang. Fix by using an
appropriately sized valiable to hold the size.
[Ralf: Greg's original patch submission identified the issue and fixed one
instance in tlb-r4k.c but there there were several more. For consistency
I also modified tlb-r3k.c even though that file is only used on 32-bit.]
Signed-off-by: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Richard Sandiford's new code for inserting the cache-barriers, for GCC
4.3 and above and already incorporated in the current GCC-release, uses
a slightly different option-syntax.
Signed-off-by: peter fuerst <post@pfrst.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The hang was caused by the use of disable_irq() from the interrupt handler
itself. Fixed by the use of disable_irq_nosync(). The issue was
triggered by:
commit 3aa551c9b4c40018f0e261a178e3d25478dc04a9
Author: Thomas Gleixner <tglx@linutronix.de>
Date: Mon Mar 23 18:28:15 2009 +0100
genirq: add threaded interrupt handler support
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The hang was caused by the use of disable_irq() from the interrupt handler
itself. Fixed by the use of disable_irq_nosync(). The issue was
triggered by:
commit 3aa551c9b4c40018f0e261a178e3d25478dc04a9
Author: Thomas Gleixner <tglx@linutronix.de>
Date: Mon Mar 23 18:28:15 2009 +0100
genirq: add threaded interrupt handler support
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
cdrom: beyond ARRAY_SIZE of viocd_diskinfo
xen/blkfront: fix warning when deleting gendisk on unplug/shutdown
xen/blkfront: allow xenbus state transition to Closing->Closed when not Connected
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
cifs: fix pointer initialization and checks in cifs_follow_symlink (try #4)
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The commit 5a641bcd6398841cc4606b0a732d41a09256fd94 changed the
printk format to '%lu', but the value passed seems to be dependent
on the architecture. On x86-64, I got a new warning now because an
int value is passed actaully.
As a workaround, just cast the value always to unsigned long.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Do not go beyond ARRAY_SIZE of viocd_diskinfo
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: pcf50633: fix unsafe disable_irq()
mfd: Keep a cache of WM8350 volatile values
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
ipv4: make default for INET_LRO consistent with help text
net: fix skb_seq_read returning wrong offset/length for page frag data
pkt_sched: gen_estimator: use 64 bit intermediate counters for bps
be2net: add two new pci device ids to pci device table
sch_teql: should not dereference skb after ndo_start_xmit()
tcp: fix MSG_PEEK race check
Doc: fixed descriptions on /proc/sys/net/core/* and /proc/sys/net/unix/*
Neterion: *FIFO1_DMA_ERR set twice, should 2nd be *FIFO2_DMA_ERR?
mv643xx_eth: fix PPC DMA breakage
bonding: fix link down handling in 802.3ad mode
bridge: fix initial packet flood if !STP
bridge: relay bridge multicast pkgs if !STP
NET: Meth: Fix unsafe mix of irq and non-irq spinlocks.
mlx4_en: Fix not deleted napi structures
ipconfig: handle case of delayed DHCP server
netpoll: don't dereference NULL dev from np
wimax/i2400m: fix device crash: fix optimization in _roq_queue_update_ws
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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:
TPM: get_event_name stack corruption
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