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"ath9k: Fix softlockup in AR9485" with commit id
64bc1239c790e051ff677e023435d770d2ffa174 fixed the reported
issue, yet its better to avoid the possible infinite loop
in ar9003_get_pll_sqsum_dvc by having a timeout as suggested
by ath9k maintainers.
http://www.spinics.net/lists/linux-wireless/msg92126.html.
Based on my testing PLL's locking measurement is done in
~200us (2 iterations).
Cc: stable@vger.kernel.org
Cc: Rolf Offermanns <rolf.offermanns@gmx.net>
Cc: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes two memory leaks in the SPI initialization code.
Patch based on old maemo patch by:
Yuri Ershov <ext-yuri.ershov@nokia.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Always report beacon loss to the stack, not only when in powersave
state. This is because there's possibility that the driver disables
PSM before it handles old BSS_LOSE_EVENT, so beacon loss has to be
reported.
Patch based on old maemo patch by:
Janne Ylalehto <janne.ylalehto@nokia.com>
Juuso Oikarinen <juuso.oikarinen@nokia.com>
Luciano Coelho <luciano.coelho@nokia.com>
Yuri Ershov <ext-yuri.ershov@nokia.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Cast MSB part of current TSF to u64 to prevent loss of most
significant bits. MSB should also be shifted by 32.
Patch based on old maemo patch by:
Yuri Kululin <ext-yuri.kululin@nokia.com>
Yuri Ershov <ext-yuri.ershov@nokia.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Pull ARM fixes from Russell King:
"This includes three MMCI changes - one to fix up the wrong version of
the DT support patch which was merged, and two to make deferred
probing work. It also includes a fix to the OMAP SPI driver which is
causing a boot time warning.
The remainder are very minor ARM fixes."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
SPI: fix over-eager devm_xxx() conversion
ARM: 7427/1: mmc: mmci: Defer probe() in case of yet uninitialized GPIOs
ARM: 7426/1: mmc: mmci: Remove wrong error handling of gpio 0
ARM: 7425/1: extable: ensure fixup entries are 4-byte aligned
ARM: 7421/1: bpf_jit: BPF_S_ANC_ALU_XOR_X support
ARM: 7423/1: kprobes: run t32_simulate_ldr_literal() without insn slot
ARM: 7422/1: mmc: mmci: Allocate platform memory during Device Tree boot
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull two pinctrl fixes from Linus Walleij:
- Fixed a 2-line compile error for MXS
- A pure documentation fix for Nomadik
* tag 'pinctrl-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl/nomadik: document Alt-C glitch
pinctrl: mxs: Use kfree to fix build error
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Commit e813a55eb9c9bc6c8039fb16332cf43402125b30 ("OMAP: board-files:
remove custom PD GPIO handling for DVI output") moved TFP410 chip's
powerdown-gpio handling from the board files to the tfp410 driver. One
gpio_request_one(powerdown-gpio, ...) was mistakenly left unremoved in
the Beagle board file. This causes the tfp410 driver to fail to request
the gpio on Beagle, causing the driver to fail and thus the DVI output
doesn't work.
This patch removes several boot errors from board-omap3beagle.c:
- gpio_request: gpio--22 (DVI reset) status -22
- Unable to get DVI reset GPIO
There is a combination of leftover code and revision confusion.
Additionally, xM support is currently a hack.
For original Beagleboard this removes the double initialization of GPIO
170, properly configures it as an output, and wraps the initialization
in an if block so that xM does not attempt to request it.
For Beagleboard xM it removes reference to GPIO 129 which was part
of rev A1 and A2 designs, but never functioned. It then properly assigns
beagle_dvi_device.reset_gpio in beagle_twl_gpio_setup and removes the
hack of initializing it high. Additionally, it uses
gpio_set_value_cansleep since this GPIO is connected through i2c.
Unfortunately, there is no way to tell the difference between xM A2 and
A3. However, GPIO 129 does not function on rev A1 and A2, and the TWL
GPIO used on A3 and beyond is not used on rev A1 and A2, there are no
problems created by this fix.
Tested on Beagleboard-xM Rev C1 and Beagleboard Rev B4.
Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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When booting with device-tree on an OMAP2420H4, the kernel is hanging when
initialising the interrupts and following kernel dumps is seen ...
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: at arch/arm/mach-omap2/irq.c:271 omap_intc_of_init+0x50/0xb4()
[ 0.000000] unable to get intc registers
[ 0.000000] Modules linked in:
[ 0.000000] [<c001befc>] (unwind_backtrace+0x0/0xf4) from [<c0040c34>] (warn_slowpath_common+0x4c/0x64)
[ 0.000000] [<c0040c34>] (warn_slowpath_common+0x4c/0x64) from [<c0040ce0>] (warn_slowpath_fmt+0x30/0x40)
[ 0.000000] [<c0040ce0>] (warn_slowpath_fmt+0x30/0x40) from [<c066b8a4>] (omap_intc_of_init+0x50/0xb4)
[ 0.000000] [<c066b8a4>] (omap_intc_of_init+0x50/0xb4) from [<c0688b70>] (of_irq_init+0x144/0x288)
[ 0.000000] [<c0688b70>] (of_irq_init+0x144/0x288) from [<c0663294>] (init_IRQ+0x14/0x1c)
[ 0.000000] [<c0663294>] (init_IRQ+0x14/0x1c) from [<c06607fc>] (start_kernel+0x198/0x304)
[ 0.000000] [<c06607fc>] (start_kernel+0x198/0x304) from [<80008044>] (0x80008044)
[ 0.000000] ---[ end trace 1b75b31a2719ed1c ]---
[ 0.000000] of_irq_init: children remain, but no parents
The OMAP2 interrupt controller binding is missing the number of interrupts and
interrupt controller register address. Adding these fixes the problem.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Here's one more gpio_to_irq conversion that we missed
earlier. Tested with n800 in gadget mode using USB_ETH.
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit 62285963 (usb: musb: drop a gigantic amount of ifdeferry)
got rid of a bunch of ifdefs in the MUSB code. Looks like the
platform init code is still using these dropped defines though,
which in many cases results the board defaulting always to host
mode.
Currently the situation is that USB_MUSB_HDRC is the main
Kconfig option with additional USB_GADGET_MUSB_HDRC so only
these two should be used to select between host and OTG mode.
Fix the situation for omaps. The following users should fix the
platform init code in a similar way:
Dropped Kconfig option Current users
USB_MUSB_OTG blackfin, davinci, not in Kconfigs
USB_MUSB_PERIPHERAL davinci, not in Kconfigs
USB_MUSB_HOST davinci, not in Kconfigs
USB_MUSB_HDRC_HCD blackfin, not in Kconfigs
USB_MUSB_OTG blackfin, not in Kconfigs
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: linux-usb@vger.kernel.org
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We need to flush the msgr workqueue during mon_client shutdown to
ensure that any work affecting our embedded ceph_connection is
finished so that we can be safely destroyed.
Previously, we were flushing the work queue after osd_client
shutdown and before mon_client shutdown to ensure that any osd
connection refs to authorizers are flushed. Remove the redundant
flush, and document in the comment that the mon_client flush is
needed to cover that case as well.
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
(cherry picked from commit f3dea7edd3d449fe7a6d402c1ce56a294b985261)
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The bug can cause NULL pointer dereference in write_partial_msg_pages
Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Reviewed-by: Alex Elder <elder@inktank.com>
(cherry picked from commit 43643528cce60ca184fe8197efa8e8da7c89a037)
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There were a few direct calls to ceph_con_{get,put}() instead of the con
ops from osd_client.c. This is a bug since those ops aren't defined to
be ceph_con_get/put.
This breaks refcounting on the ceph_osd structs that contain the
ceph_connections, and could lead to all manner of strangeness.
The purpose of the ->get and ->put methods in a ceph connection are
to allow the connection to indicate it has a reference to something
external to the messaging system, *not* to indicate something
external has a reference to the connection.
[elder@inktank.com: added that last sentence]
Signed-off-by: Sage Weil <sage@newdream.net>
Reviewed-by: Alex Elder <elder@inktank.com>
(cherry picked from commit 0d47766f14211a73eaf54cab234db134ece79f49)
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In ceph_osdc_release_request(), a reference to the r_reply message
is dropped. But just after that, that same message is revoked if it
was in use to receive an incoming reply. Reorder these so we are
sure we hold a reference until we're actually done with the message.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
(cherry picked from commit ab8cb34a4b2f60281a4b18b1f1ad23bc2313d91b)
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I got lots of NULL pointer dereference Oops when compiling kernel on ceph.
The bug is because the kernel page migration routine replaces some pages
in the page cache with new pages, these new pages' private can be non-zero.
Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
(cherry picked from commit 28c0254ede13ab575d2df5c6585ed3d4817c3e6b)
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent
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get_voltage_sel() should return selector rather than voltage.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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SDHI0 card-detect GPIO IRQ on mackarel currently works, because it is the
default configuration of IRQ26. However, we should not rely on this and
should configure the function explicitly.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Build failed, when SMP is enabled and EMEV2 is not enabled.
arch/arm/mach-shmobile/built-in.o: In function `shmobile_platform_cpu_kill':
/home/iwamatsu/work/kernel/sh-2.6-devel/arch/arm/mach-shmobile/platsmp.c:62: undefined reference to `emev2_platform_cpu_kill'
arch/arm/mach-shmobile/built-in.o: In function `shmobile_smp_get_core_count':
/home/iwamatsu/work/kernel/sh-2.6-devel/arch/arm/mach-shmobile/platsmp.c:39: undefined reference to `emev2_get_core_count'
arch/arm/mach-shmobile/built-in.o: In function `shmobile_smp_prepare_cpus':
/home/iwamatsu/work/kernel/sh-2.6-devel/arch/arm/mach-shmobile/platsmp.c:53: undefined reference to `emev2_smp_prepare_cpus'
arch/arm/mach-shmobile/built-in.o: In function `platform_secondary_init':
/home/iwamatsu/work/kernel/sh-2.6-devel/arch/arm/mach-shmobile/platsmp.c:78: undefined reference to `emev2_secondary_init'
arch/arm/mach-shmobile/built-in.o: In function `boot_secondary':
/home/iwamatsu/work/kernel/sh-2.6-devel/arch/arm/mach-shmobile/platsmp.c:90: undefined reference to `emev2_boot_secondary
This is the cause by when EMEV2 is disabled, that the check by OF of EMEV2 is
performed in platsmp.c.
This patch revise what the function about EMEV2 may not be used in this file,
when EMEV2 is not enabled.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Acked-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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chclr_write() will use (chan_reg + chclr_offset).
In sh7372 case, DMA1CHCLR is started from 0xfe008220,
and chan_reg is started from 0xfe008020 (= sh7372_dmae0_resources).
Thus, chclr_offset should be (0x220 - 0x20) instead of 0x220.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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681e1b3eeb3606e06a7c4984e8058df84296f8bb
(ARM: mach-shmobile: sh73a0 DMA Engine support for SY-DMAC)
adds SY-DMAC, but it is 218, not 318
This patch is based on v2.0 manual
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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On the error condition clk_get() returns ERR_PTR().
Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch fixes a memory leak that was introduced in the 3.4 kernel. The
leak occurred when FCoE was enabled and traffic was passed over the FCoE
rings reserved for FCoE. The memory leak was due to us not populating the
compound page information on the order 1 pages needed for FCoE.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fix Kconfig file to make sure that PTP and IGB/IXGBE are both either
in-kernel or modules, not mixed. Having the build status mixed causes
compile errors.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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i210/i211 device has only 16 RAR address filters like 82575, instead of
32 like i350. This patch removes the entries for i210/i211 in the
get_invariants function which was setting them for 32. This ensures that
they will get the default value which is the correct one.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Most of changes are fairly small and driver-specific.
A remaining regression fix for USB-audio sync pipe check, a fix for
HD-audio power-up sequence, fixes for ASoC pxa-ssp compile issues, and
bunch of ASoC codec and trivial fix patches."
* tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: 6fire: use NULL instead of 0 for pointer assignment
ALSA: hda - Handle open while transitioning to D3.
ALSA: snd-usb: make snd_usb_substream_capture_trigger static
ALSA: snd-usb: fix sync pipe check
ASoC: tegra+wm8903: turn of mic detect when card is removed
ASoC: wm8996: Mark the CODEC as cache only when powering off on boot
ASoC: wm8996: Move reset before the initial regulator disable
ASoC: wm8996: Remove spurious regulator_bulk_free()
ASoC: wm8904: Fix cache only management
ASoC: wm8904: Fix GPIO and MICBIAS initialisation for regmap conversion
ASoC: fix pxa-ssp compiling issue under mach-mmp
ARM: MMP: add pxa910-ssp into ssp_id_table
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This webcam works mostly ok, exept with skype.
Skype sends lots of ctrl messages to dynamically ajust
record level. If for some reasons it pokes some error
every thing goes broken:
- first pulseaudio blocks sound for all apps
- then video is reseted
- then skype freez
dmesg has lots of messages like:
cannot set freq 16000 to ep 0x86"
Setting ignore_ctl_error=1 fixes this problem.
Signed-off-by: Oleksij Rempel <bug-track@fisher-privat.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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if this cam is pluged in, pulse audio can't initiate capture
device.
dmesg has lots of messages like:
"cannot set freq 16000 to ep 0x86"
Setting ignore_ctl_error=1 fixes this problem.
Signed-off-by: Oleksij Rempel <bug-track@fisher-privat.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Commit 875a59374cd10200ac24f03877ccd8f73af590cc ("ARM: SAMSUNG:
Consolidation of SPI platform devices to plat-samsung") deleted all
(four) files that included one of the "spi-clocks.h" headers. It seems
it was just an oversight to not remove those headers too. They can
safely be removed now.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Change || check to the intended && when checking the QP type in a
received connection request against the listening endpoint.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Since (at least) v2.6.12-rc2 there has been a bast-pmu.h header in the
tree. Currently it can be found at
arch/arm/mach-s3c24xx/include/mach/bast-pmu.h.
It seems that during that entire period nothing included that header and
that none of the named constants it provided were ever used. That header
can safely be removed.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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regs-clock.h header file was included twice.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Commit 3c582647a9f8 ("video: s3c-fb: remove 'default_win' element
from platform data") removed the default_win element from the
structure, but the description was not removed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Fixes the following warning:
arch/arm/mach-s5pc100/dma.c:36:12: warning: 'dma_dmamask' defined but not used
[-Wunused-variable]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Fixes the following warning:
arch/arm/mach-s5p64x0/dma.c:39:12: warning: 'dma_dmamask' defined but not used
[-Wunused-variable]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Fred Isaman <iisaman@netapp.com>
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In nfs_direct_write_reschedule(), the requests from nfs_scan_commit_list
have a refcount of 2, whereas the operations in
nfs_direct_write_completion_ops expect them to have a refcount of 1.
This patch adds a call to release the extra references.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Fred Isaman <iisaman@netapp.com>
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skb_linearize(skb) possibly rearranges the skb internal data and then changes
the skb->data pointer value. For this reason any other pointer in the code that
was assigned skb->data before invoking skb_linearise(skb) must be re-assigned.
In the current tt_query message handling code this is not done and therefore, in
case of skb linearization, the pointer used to handle the packet header ends up
in pointing to free'd memory.
This bug was introduced by a73105b8d4c765d9ebfb664d0a66802127d8e4c7
(batman-adv: improved client announcement mechanism)
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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clockdomain
Remove prm_clkdm and cm_clkdm and allow hwmods to have no clockdomain.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <b-cousson@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"One small bug fix, plus a rename of all the ST Ericsson regulators in
the device tree since all the device trees had been written with
different names and some infelicities in the test proceedures meant
that the device tree code had apparently never actually been run
against the upstream device tree."
* tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Change db8500-prcmu match names to reflect Device Tree
regulator: Change ab8500 match names to reflect Device Tree
regulator: Fix the s5m8767a problem of the division by null
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add_virtual_intf() needs to return an ERR_PTR(), instead of NULL,
on errors, otherwise cfg80211 will crash.
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"qual" used to be declared on the stack, but then in 998a5a7d6a ("airo:
reduce stack memory footprint") we made it dynamically allocated.
Unfortunately the memcpy() here was missed and it's still copying stack
memory instead of the data that we want. In other words, "&qual" should
be "qual".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When running heavy traffic we stop the tx queue if the pending
packet count reaches certain threshold. Later, the tx queue should
be woken up as soon as the packet count falls below the threshold.
Current code wakes TX queue up on STA interface only. Removing the
check for STA interface will allow both STA and AP interfaces to
resume transmit when tx_pending count becomes low.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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spin_unlock_bh(&txq->lock) already disables softirqs so we don't want
to do it here. Fixes smatch warnings:
drivers/net/wireless/ath/ath5k/base.c:1048 ath5k_drain_tx_buffs() error: double lock 'bottom_half:'
drivers/net/wireless/ath/ath5k/base.c:1056 ath5k_drain_tx_buffs() error: double unlock 'bottom_half:'
Reported-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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After setup_frame_info has been called, only info->control.rates is still
valid, other control fields have been overwritten by the ath_frame_info
data. Move the access to info->control.vif for checking short preamble
to setup_frame_info before it gets overwritten.
This regression was introduced in commit d47a61aa
"ath9k: Fix multi-VIF BSS handling"
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Reported-by: Thomas Hühn <thomas@net.t-labs.tu-berlin.de>
Acked-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Cc: stable@vger.kernel.org [3.4]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The rate pointer variable for a rate series is used in a loop before it is
initialized. This went unnoticed because it was used earlier for the RTS/CTS
rate. This bug can lead to the wrong PHY type being passed to the
duration calculation function.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The call to try_module_get() dereferences ld_type outside the
spin locks, which means that it may be pointing to garbage if
a module unload was in progress.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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At the moment we call kvmppc_pin_guest_page() in kvmppc_update_vpa()
with two spinlocks held: the vcore lock and the vcpu->vpa_update_lock.
This is not good, since kvmppc_pin_guest_page() calls down_read() and
get_user_pages_fast(), both of which can sleep. This bug was introduced
in 2e25aa5f ("KVM: PPC: Book3S HV: Make virtual processor area
registration more robust").
This arranges to drop those spinlocks before calling
kvmppc_pin_guest_page() and re-take them afterwards. Dropping the
vcore lock in kvmppc_run_core() means we have to set the vcore_state
field to VCORE_RUNNING before we drop the lock, so that other vcpus
won't try to run this vcore.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
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On a freescale imx6q platform, a hardware phy chip KSZ9021 is
recognized as a KS8001 chip by the current driver like this:
eth0: Freescale FEC PHY driver [Micrel KS8001 or KS8721]
KSZ9021 has phy_id 0x00221610, while KSZ8001 has phy_id
0x0022161a, the current phy_id_mask (0x00fffff0/0x00ffff10) can't
distinguish them. So change phy_id_mask to resolve this problem.
Although the micrel datasheet says that the 4 LSB of phyid2 register
contains the chip revision number and the current driver is designed
to follow this rule, in reality the chip implementation doesn't follow
it.
Cc: David J. Choi <david.choi@micrel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Hui Wang <jason77.wang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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