| Age | Commit message (Collapse) | Author | Files | Lines |
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this is a diagnostic patch for Classic RCU.
The approach is to record a timestamp at the beginning
of the grace period (in rcu_start_batch()), then have
rcu_check_callbacks() complain if:
1. it is running on a CPU that has holding up grace periods for
a long time (say one second). This will identify the culprit
assuming that the culprit has not disabled hardware irqs,
instruction execution, or some such.
2. it is running on a CPU that is not holding up grace periods,
but grace periods have been held up for an even longer time
(say two seconds).
It is enabled via the default-off CONFIG_DEBUG_RCU_STALL kernel parameter.
Rather than exponential backoff, it backs off to once per 30 seconds.
My feeling upon thinking on it was that if you have stalled RCU grace
periods for that long, a few extra printk() messages are probably the
least of your worries...
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: David Witbrodt <dawitbro@sbcglobal.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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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][2/2] preregister support for powernow-k8
[CPUFREQ][1/2] whitespace fix for powernow-k8
[CPUFREQ] Update MAINTAINERS to reflect new mailing list.
[CPUFREQ] Fix warning in elanfreq
[CPUFREQ] Fix -Wshadow warning in conservative governor.
[CPUFREQ] Remove EXPERIMENTAL annotation from VIA C7 powersaver kconfig.
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] list entry can not return null
turn cifs_setattr into a multiplexor that calls the correct function
move file time and dos attribute setting logic into new function
spin off cifs_setattr with unix extensions to its own function
[CIFS] Code cleanup in old sessionsetup code
[CIFS] cifs_mkdir and cifs_create should respect the setgid bit on parent dir
Rename CIFSSMBSetFileTimes to CIFSSMBSetFileInfo and add PID arg
change CIFSSMBSetTimes to CIFSSMBSetPathInfo
[CIFS] fix trailing whitespace
bundle up Unix SET_PATH_INFO args into a struct and change name
Fix missing braces in cifs_revalidate()
remove locking around tcpSesAllocCount atomic variable
[CIFS] properly account for new user= field in SPNEGO upcall string allocation
[CIFS] remove level of indentation from decode_negTokenInit
[CIFS] cifs send2 not retrying enough in some cases on full socket
[CIFS] oid should also be checked against class in cifs asn
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Fix fatal multi-line kernel-doc error in list.h:
function short description must be on one line.
Error(linux-2.6.27-rc2-git3//include/linux/list.h:318): duplicate section name 'Description'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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This patch provides support for the _PSD ACPI object in the Powernow-k8
driver. Although it looks like an invasive patch, most of it is
simply the consequence of turning the static acpi_performance_data
structure into a pointer.
AMD has tested it on several machines over the past few days without issue.
[trivial checkpatch warnings fixed up by davej]
[X86_POWERNOW_K8_ACPI=n buildfix from Randy Dunlap]
Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Tested-by: Frank Arnold <frank.arnold@amd.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Trivial whitespace fix for powernow-k8.
Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Mailing list moved to vger.
Signed-off-by: Dave Jones <davej@redhat.com>
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arch/x86/kernel/cpu/cpufreq/elanfreq.c:47:26: warning: symbol 'elan_multiplier' was not declared. Should it be static?
Yes, yes it should.
Signed-off-by: Dave Jones <davej@redhat.com>
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drivers/cpufreq/cpufreq_conservative.c:336:15: warning: symbol 'freq_step' shadows an earlier one
Just rename the local variable.
Signed-off-by: Dave Jones <davej@redhat.com>
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This has been pretty solid, and doesn't see much change at all.
Noticed by Harald Welte.
Signed-off-by: Dave Jones <davej@redhat.com>
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* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB
[ARM] 5166/1: magician: add MAINTAINERS entry
[ARM] fix pnx4008 build errors
[ARM] Fix SMP booting with non-zero PHYS_OFFSET
[ARM] 5185/1: Fix spi num_chipselect for lubbock
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include
[ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead
[ARM] Eliminate useless includes of asm/mach-types.h
[ARM] Fix circular include dependency with IRQ headers
avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>
avr32: Introduce arch/avr32/mach-*/include/mach
avr32: Move include/asm-avr32 to arch/avr32/include/asm
[ARM] sa1100_wdt: use reset_status to remember watchdog reset status
[ARM] pxa: introduce reset_status and clear_reset_status for driver's usage
[ARM] pxa: introduce reset.h for reset specific header information
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There doesn't seem to be a compelling reason why nfsd4_op_name() is
marked as "inline":
It's only used in a dprintk(), and as long as it has only one caller
non-ancient gcc versions anyway inline it automatically.
This patch fixes the following compile error with gcc 3.4:
...
CC fs/nfsd/nfs4proc.o
nfs4proc.c: In function `nfsd4_proc_compound':
nfs4proc.c:854: sorry, unimplemented: inlining failed in call to
nfs4proc.c:897: sorry, unimplemented: called from here
make[3]: *** [fs/nfsd/nfs4proc.o] Error 1
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
[ Also made it "const char *" - Linus]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Conflicts:
drivers/watchdog/at91rm9200_wdt.c
drivers/watchdog/davinci_wdt.c
drivers/watchdog/ep93xx_wdt.c
drivers/watchdog/ixp2000_wdt.c
drivers/watchdog/ixp4xx_wdt.c
drivers/watchdog/ks8695_wdt.c
drivers/watchdog/omap_wdt.c
drivers/watchdog/pnx4008_wdt.c
drivers/watchdog/sa1100_wdt.c
drivers/watchdog/wdt285.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (99 commits)
pkt_sched: Fix actions referencing
bnx2x: fix logical op
tcp: (whitespace only) fix confusing indentation
pkt_sched: Fix qdisc config when link is down.
[Bluetooth] Add full quirk implementation for btusb driver
[Bluetooth] Removal of unnecessary ignore module parameter
[Bluetooth] Add parameters to control BNEP header compression
ath9k: Revamp wireless mode usage
ath9k: More unused macros
ath9k: Remove a few unused macros and fix indentation
ath9k: Use mac80211's band macros and remove enum hal_freq_band
ath9k: Remove redundant data structure ath9k_txq_info
ath9k: Cleanup data structures related to HW capabilities
ath9k: work around gcc ICEs
ath9k: Add new Atheros IEEE 802.11n driver
ath5k: remove Atheros 11n devices from supported list
list.h: add list_cut_position()
list.h: Add list_splice_tail() and list_splice_tail_init()
p54: swap short slot time dcf values
rt2x00: Block all unsupported modes
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Fix end-of-stack checking in save_stack_trace().
sparc: don't use asm/of_device.h
sparc64: Use kernel/uid16.c helpers instead of own copy.
of/sparc: remove include of linux/of_platform.h from asm/of_platform.h
sparc: i8042-sparcio.h: fix warning
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Back when .gitignore file was added to arch/powerpc/ in 06f2138 ([POWERPC]
Add files build to .gitignore, 2006-11-26), there indeed was nothing
tracked in the ignored hierarchy and ignoring everything made sense. But
we have very many tracked files there these days, and having a higher
level .gitignore that ignores everything is asking for future troubles..
This should have been part of b8b572e (powerpc: Move include files to
arch/powerpc/include/asm, 2008-08-01).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch removes the commented out line for the not available
CONFIG_SA1100_USB option.
Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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include/linux/i2c-pnx.h was missed when moving the include files.
Fix it now; it doesn't really need to include mach/i2c.h at all.
Successfully build tested with pnx4008_defconfig, which had
failed in linux-next.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Bug reported by Alexander Beregalov.
Before we dereference the stack frame or try to peek at the
pt_regs magic value, make sure the entire object is within
the kernel stack bounds.
Signed-off-by: David S. Miller <davem@davemloft.net>
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When an action is added several times with the same exact index
it gets deleted on every even-numbered attempt.
This fixes that issue.
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix dubious logical operation that was found by sparse:
linux-next-20080807/drivers/net/bnx2x_main.c:7205:27: warning: dubious: !x & y
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6
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The indentation in part of tcp_minisocks makes it look like one of the if
statements is much more important than it actually is.
Signed-off-by: Adam Langley <agl@imperialviolet.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bug reported by Stephen Hemminger.
We need to fetch the root from ->qdisc_sleeping not ->qdisc.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace
* 'tracehook' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace:
tracehook: fix CLONE_PTRACE
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/mad: Test ib_create_send_mad() return with IS_ERR(), not == NULL
IB/mlx4: Allow 4K messages for UD QPs
mlx4_core: Add ethernet fields to CQE struct
IB/ipath: Fix printk format warnings
RDMA/cxgb3: Fix deadlock initializing iw_cxgb3 device
RDMA/cxgb3: Fix up MW access rights
RDMA/cxgb3: Fix QP capabilities
RDMA/cma: Remove padding arrays by using struct sockaddr_storage
IB/ipath: Use unsigned long for irq flags
IPoIB/cm: Set correct SG list in ipoib_cm_init_rx_wr()
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
xen-blkfront.c: make blkif_ioctl() static
bio: make use of bvec_nr_vecs
cciss: fix bug if scsi tape support is disabled
cciss: add support for multi lun tape devices
cciss: change the way we notify scsi midlayer of tape drives
cciss: fix negative logical drive count in procfs
cciss: remove redundant code
cciss: make rebuild_lun_table behave better
cciss: return -EFAULT if copy_from_user() fails
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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: ASoC: fix SNDCTL_DSP_SYNC support in Freescale 8610 sound drivers
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Looks like somebody didn't get enough sleep.
Noticed-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
Move all of include/asm-m68knommu to arch/m68knommu/include/asm.
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This driver was declared obsolete over 2 years ago, the alternative
console driver for legacy iSeries (hvc_iseries) was made the default
over 1 year ago and this driver has been build broken for over 3
months, so remove it.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (23 commits)
V4L/DVB (8617): uvcvideo: don't use stack-based buffers for USB transfers.
V4L/DVB (8616): uvcvideo: Add support for two Bison Electronics webcams
V4L/DVB (8611): Add suspend/resume to pxa_camera driver
V4L/DVB (8610): Add suspend/resume capabilities to soc_camera.
V4L/DVB (8609): media: Clean up platform_driver_unregister() bogosity.
V4L/DVB (8607): cxusb: fix OOPS and broken tuning regression on FusionHDTV Dual Digital 4
V4L/DVB (8605): gspca: Fix of gspca_zc3xx oops - 2.6.27-rc1
V4L/DVB (8604): gspca: Fix of "scheduling while atomic" crash.
V4L/DVB (8602): gspca: Fix small bugs, simplify and cleanup ov519.
V4L/DVB (8582): set mts_firmware for em2882 based Pinnacle Hybrid Pro
V4L/DVB (8574): gspca: Bad bytesperlines of pixelformat in spca505/506/508 and vc023x.
V4L/DVB (8573): gspca: Bad scan of frame in spca505/506/508.
V4L/DVB (8572): gspca: Webcam 0c45:6143 in documentation.
V4L/DVB (8571): gspca: Don't use CONFIG_VIDEO_ADV_DEBUG as a compile option.
V4L/DVB (8569): gspca: Set back the old values of Sonix sn9c120 and cleanup source.
V4L/DVB (8567): gspca: hflip and vflip controls added for ov519 - ov7670 plus init cleanup.
V4L/DVB (8564): fix vino driver build error
V4L/DVB (8563): fix drivers/media/video/arv.c compilation
V4L/DVB (8562): DVB_DRX397XD: remove FW_LOADER select
V4L/DVB (8558): media/video/Kconfig: fix a typo
...
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* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
hwmon: (it87) Support for 16-bit fan reading in it8705 >= rev 0x03
hwmon: (it87) Support for 16-bit fan reading in it8712 >= rev 0x07
hwmon: (hwmon-vid) Add 6-bit vid codes for AMD NPT 0Fh cpus
hwmon: (hwmon-vid) Trivial format multi-line comments per CodingStyle
hwmon: ad7414 driver
hwmon: (thmc50) Add support for critical temperature limits
hwmon: (adm9240) Remove EXPERIMENTAL dependency
hwmon: (w83627hf) Drop reset module parameter
hwmon: (w83627hf) Add pwm_enable sysfs interface
hwmon: (w83791d) Use fan divisor bits from vbat register
hwmon: (f71882fg) Delete needless forward declarations
hwmon: (dme1737) Add support for the SMSC SCH5027
hwmon: (dme1737) Skip detection if forced
hwmon: (dme1737) Cleanups
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: (70 commits)
[WATCHDOG] more coding style clean-up's
[WATCHDOG] sbc8360.c - move stop code into a function
[WATCHDOG] Coding style - Indentation - part 2
[WATCHDOG] Coding style - Indentation - part 1
[WATCHDOG] mpc8xxx_wdt: add support for MPC8xx watchdogs
[WATCHDOG] mpc8xxx_wdt: fix build
[WATCHDOG] mpc8xxx_wdt: various renames, mostly s/mpc83xx/mpc8xxx/g
[WATCHDOG] mpc83xx_wdt: rename to mpc8xxx_wdt
[WATCHDOG] mpc83xx_wdt: add support for MPC86xx CPUs
[WATCHDOG] mpc83xx_wdt: convert to the OF platform driver
[WATCHDOG] pcwd: a couple of watchdogs escaped conversion
[WATCHDOG] Clean-up includes
[WATCHDOG] hpwdt.c - fix double includes
[WATCHDOG 57/57] wdt501/pci: Clean up, coding style and switch to unlocked_ioctl
[WATCHDOG 56/57] wdt977: clean up, coding style and switch to unlocked_ioctl
[WATCHDOG 55/57] wdt285: switch to unlocked_ioctl and tidy up oddments of coding style
[WATCHDOG 54/57] wdrtas: clean up, coding style, switch to unlocked_ioctl
[WATCHDOG 53/57] wafer5823wdt: Clean up, coding style, switch to unlocked_ioctl
[WATCHDOG 52/57] w83977f_wdt: clean up, coding style and switch to unlocked_ioctl
[WATCHDOG 51/57] w83877f_wdt: clean up code, coding style, switch to unlocked_ioctl
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
kbuild: a better way to generate cscope database change
Kconfig: Extend "menuconfig" for modules to simplify Kconfig file
bugfix for scripts/patch-kernel in 2.6 sublevel stepping
kbuild: fix O=.. build with arm
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In the change in commit 09a05394fe2448a4139b014936330af23fa7ec83, I
overlooked two nits in the logic and this broke using CLONE_PTRACE
when PTRACE_O_TRACE* are not being used.
A parent that is itself traced at all but not using PTRACE_O_TRACE*,
using CLONE_PTRACE would have its new child fail to be traced.
A parent that is not itself traced at all that uses CLONE_PTRACE
(which should be a no-op in this case) would confuse the bookkeeping
and lead to a crash at exit time.
This restores the missing checks and fixes both failure modes.
Reported-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Roland McGrath <roland@redhat.com>
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Use linux/of_device.h instead.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The existing code tries to get the pmd for the temporary page table
by doing:
pgd = pgd_alloc(&init_mm);
pmd = pmd_offset(pgd, PHYS_OFFSET);
Since we have a two level page table, pmd_offset() is a no-op, so
this just has a casting effect from a pgd to a pmd - the address
argument is unused. So this can't work.
Normally, we'd do:
pgd = pgd_offset(&init_mm, PHYS_OFFSET);
...
pmd = pmd_offset(pgd, PHYS_OFFSET);
to get the pmd you want. However, pgd_offset() takes the mm_struct,
not the (unattached) pgd we just allocated. So, instead use:
pgd = pgd_alloc(&init_mm);
pmd = pmd_offset(pgd + pgd_index(PHYS_OFFSET), PHYS_OFFSET);
Reported-by: Antti P Miettinen <ananaza@iki.fi>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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In case of error, the function ib_create_send_mad() returns an ERR
pointer, but never returns a NULL pointer. So testing the return
value for error should be done with IS_ERR, not by comparing with
NULL.
A simplified version of the semantic patch that makes this change is
as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@correct_null_test@
expression x,E;
statement S1, S2;
@@
x = ib_create_send_mad(...)
<... when != x = E
if (
(
- x@p2 != NULL
+ ! IS_ERR ( x )
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- x@p2 == NULL
+ IS_ERR( x )
)
)
S1
else S2
...>
? x = E;
// </smpl>
Signed-off-by: Julien Brunel <brunel@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Current code limits the max message size to 2K for UD QPs, while MTU
might be as big as 4K. This patch sets the maximum message size to
4K, which is needed for UD to work correctly on fabrics with a 4K MTU.
Signed-off-by: Alex Naslednikov <xalex@mellanox.co.il>
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This implements all the quirk handling from the hci_usb driver to the
new btusb driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This removes the unnecessary ignore parameter, which is useless. There
are alternate methods of kicking a driver off an USB device.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The Bluetooth qualification for PAN demands testing with BNEP header
compression disabled. This is actually pretty stupid and the Linux
implementation outsmarts the test system since it compresses whenever
possible. So to pass qualification two need parameters have been added
to control the compression of source and destination headers.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Use a single enum for managing modes, store supported modes by
the HW in a bitmask.
Register legacy rates with mac80211 only at init.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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