Use CONFIG_ATH9K_CHANNEL_CONTEXT to exclude:
ath_scan_complete()
ath_roc_complete()
ath_offchannel_next()
ath_scan_next_channel()
ath_scan_channel_duration()
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Use CONFIG_ATH9K_CHANNEL_CONTEXT to exclude more functions:
ath_offchannel_channel_change()
ath_scan_channel_start()
ath_scan_send_probe()
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Exclude these functions when CONFIG_ATH9K_CHANNEL_CONTEXT is not
enabled:
ath_chanctx_send_vif_ps_frame()
ath_chanctx_send_ps_frame()
ath_chanctx_defer_switch()
ath_chanctx_set_next()
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Rename the callback from ath9k_chanctx_force_active()
to ath9k_mgd_prepare_tx(). Also, move it to main.c and
group it with the other callbacks.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Also compile it conditionally based on
CONFIG_ATH9K_CHANNEL_CONTEXT.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Setup the offchannel/sched timers and the chanctx work
inside the new function.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The carl9170_op_ampdu_action() function is used only by the mac80211
framework.
Since the mac80211 already takes care of checks and properly serializing
calls to the driver's function there is no need for the driver to do the same
thing.
Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch ensures that the module parameter "use_chanctx" is
visible only when CONFIG_ATH9K_CHANNEL_CONTEXT is selected.
Also register the channel context callbacks with mac80211 only
when it is explicitly enabled and compile them out of the driver
when CONFIG_ATH9K_CHANNEL_CONTEXT is not selected.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Use CONFIG_ATH9K_CHANNEL_CONTEXT to conditionally
compile P2P-PS code.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Channel contexts are supported only for P2P right now,
so make sure that the 'normal' path remains unaffected
by using a config option. This will also reduce the size
of the driver.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add a few statements to debug channel context operation.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
kfree() null-checks its argument.
Found by smatch.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add the missing null termination after strncpy().
This isn't actually a buffer overflow in this case since we use
snprintf() appropriately to fill the buffer passed by the caller,
but in the interest of not turning this into a bug down the road,
go ahead and force termination here.
Found by Coverity.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
rxs->rate_idx is unsigned, so it will always be >= 0.
Found by Coverity.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The files ray_cs.h and rayctl.h both contain two thirds of what
appears to be an include guard using the macro name RAYLINK_H (both
lack the #define). Since RAYLINK_H is not defined anywhere, the
#ifndefs are confusing no-ops. Add proper include guards using
different macro names.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The Chipcommon B core does not have a wrap address and it would fail here.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Newer firmware returns API revision in GET_HW_SPEC command
response. We will make use of it instead of parsing this
information from FW release number.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We will remove 'fw' prefix from these variable and macro
names and make them generic.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
While updating 'left_len' in each iteration, we should subtract
last TLV length not the accumulated length of TLVs parsed till
now.
This bug in parsing logic is exposed by newer firmware which adds
two TLVs in GET_HW_SPEC command response. Earlier firmwares used to
add only one TLV.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Based on a quick test with AR9271, TDLS seems to be working fine.
Tests were done with 2 Atheros AR9271 based devices with firmware
1.3 (sha1 8d49f928aa40ac53c729189bff1333cd373a7fb5), associated
with a WAP54G access point. TDLS worked fine both in WPA2 mode and
without encryption. Stations maintained ping flood traffic between
each other and towards the AP without significant losses.
Not tested with AR7010.
TDLS was enabled in earlier patches the same way for other
Atheros drivers:
ath9k (fd6562344d),
and carl9170 (d1f3de71a5).
Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
It's not moderated, it's subscribers-only.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The DM crypt target accesses memory beyond allocated space resulting in
a crash on 32 bit x86 systems.
This bug is very old (it dates back to 2.6.25 commit 3a7f6c990a "dm
crypt: use async crypto"). However, this bug was masked by the fact
that kmalloc rounds the size up to the next power of two. This bug
wasn't exposed until 3.17-rc1 commit 298a9fa08a ("dm crypt: use per-bio
data"). By switching to using per-bio data there was no longer any
padding beyond the end of a dm-crypt allocated memory block.
To minimize allocation overhead dm-crypt puts several structures into one
block allocated with kmalloc. The block holds struct ablkcipher_request,
cipher-specific scratch pad (crypto_ablkcipher_reqsize(any_tfm(cc))),
struct dm_crypt_request and an initialization vector.
The variable dmreq_start is set to offset of struct dm_crypt_request
within this memory block. dm-crypt allocates the block with this size:
cc->dmreq_start + sizeof(struct dm_crypt_request) + cc->iv_size.
When accessing the initialization vector, dm-crypt uses the function
iv_of_dmreq, which performs this calculation: ALIGN((unsigned long)(dmreq
+ 1), crypto_ablkcipher_alignmask(any_tfm(cc)) + 1).
dm-crypt allocated "cc->iv_size" bytes beyond the end of dm_crypt_request
structure. However, when dm-crypt accesses the initialization vector, it
takes a pointer to the end of dm_crypt_request, aligns it, and then uses
it as the initialization vector. If the end of dm_crypt_request is not
aligned on a crypto_ablkcipher_alignmask(any_tfm(cc)) boundary the
alignment causes the initialization vector to point beyond the allocated
space.
Fix this bug by calculating the variable iv_size_padding and adding it
to the allocated size.
Also correct the alignment of dm_crypt_request. struct dm_crypt_request
is specific to dm-crypt (it isn't used by the crypto subsystem at all),
so it is aligned on __alignof__(struct dm_crypt_request).
Also align per_bio_data_size on ARCH_KMALLOC_MINALIGN, so that it is
aligned as if the block was allocated with kmalloc.
Reported-by: Krzysztof Kolasa <kkolasa@winsoft.pl>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
After the conversion rate is changed, the zbits are not updated,
but should be, since they are used later in the set_temp function.
Fixes: a50d9a4d9a ("hwmon: (ds1621) Fix temperature rounding operations")
Reported-by: Murat Ilsever <murat.ilsever@gmail.com>
Signed-off-by: Robert Coulson <rob.coulson@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for MSIOF in:
- r8a7792 (R-Car V2H)
- r8a7793 (R-Car M2-N)
- r8a7794 (R-Car E2)
r8a7791 is now called "R-Car M2-W".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use single snd_soc_update_bits() call to update the register bits.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Brian Austin <brian.austin@cirrus.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The regulator_bulk_free() call is not required because current code is using
devm_regulator_bulk_get().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The regulator_bulk_free() call is not required because current code is using
devm_regulator_bulk_get().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
There are no real users for cache_only in "struct snd_soc_codec" so remove
it and needless debugfs node.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Return true or false instead of 1 and 0
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Reported-by: Zoltán Szenczi <zoltan@raspberrypi.org>
Signed-off-by: Paul Handrigan <Paul.Handrigan@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
Reported-by: Zoltán Szenczi <zoltan@raspberrypi.org>
Signed-off-by: Paul Handrigan <Paul.Handrigan@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
Reported-by: Zoltán Szenczi <zoltan@raspberrypi.org>
Signed-off-by: Paul Handrigan <Paul.Handrigan@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
(and a sneaky document addition that slipped from the previous pull-request)
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Merge tag 'mfd-fixes-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd fixes from Lee Jones:
"Couple of simple fixes due for the 3.17 rcs
(and a sneaky document addition that slipped from the previous
pull-request)"
* tag 'mfd-fixes-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: twl4030-power: Fix PM idle pin configuration to not conflict with regulators
mfd: tc3589x: Add device tree bindings
mfd: ab8500-core: Use 'ifdef' for config options
mfd: htc-i2cpld: Fix %d confusingly prefixed with 0x in format string
mfd: omap-usb-host: Fix %d confusingly prefixed with 0x in format string
- SH-PFC (Renesas) r8a7791 CAN bus pin group problem
- Rockchip (GPIO0 configuration)
- Tegra-xusb (interrupt handling)
- Exynos (GPIO interrupt locking)
- Qualcomm (fix misleading example interrupts)
- Minor non-critical fixes for abx500 and AT91 also sneaked in,
because I initially intended this pull for post RC-1, hope it's
still OK.
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Merge tag 'pinctrl-v3.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin-control fixes from Linus Walleij:
"My first (a bit delayed) pack of pin control fixes for the v3.17
series, only driver fixes:
- SH-PFC (Renesas) r8a7791 CAN bus pin group problem
- Rockchip (GPIO0 configuration)
- Tegra-xusb (interrupt handling)
- Exynos (GPIO interrupt locking)
- Qualcomm (fix misleading example interrupts)
- minor non-critical fixes for abx500 and AT91 also sneaked in,
because I initially intended this pull for post RC-1, hope it's
still OK"
* tag 'pinctrl-v3.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: apq8064: Correct interrupts in example
pinctrl: exynos: Lock GPIOs as interrupts when used as EINTs
pinctrl: pinctrl-at91.c: fix decimal printf format specifiers prefixed with 0x
pinctrl: abx500: remove useless check
pinctrl: tegra-xusb: testing wrong variable in probe()
pinctrl: tegra-xusb: fix an off by one test
pinctrl: rockchip: fix rk3288 gpio0 configuration
sh-pfc: r8a7791: fix CAN pin groups
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Merge tag 'for-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf
Pull dma-buf fixes from Sumit Semwal:
"The major changes for 3.17 already went via Greg-KH's tree this time
as well; this is a small pull request for dma-buf - all documentation
related"
* tag 'for-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf:
dma-buf/fence: Fix one more kerneldoc warning
dma-buf/fence: Fix a kerneldoc warning
Documentation/dma-buf-sharing.txt: update API descriptions
Here contains not many exciting changes but just a few minor ones:
An off-by-one proc write fix, a couple of trivial incldue guard
fixes, Acer laptop pinconfig fix, and a fix for DSD formats that
are still rarely used.
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Merge tag 'sound-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here contains not many exciting changes but just a few minor ones: An
off-by-one proc write fix, a couple of trivial incldue guard fixes,
Acer laptop pinconfig fix, and a fix for DSD formats that are still
rarely used"
* tag 'sound-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Set up initial pins for Acer Aspire V5
ALSA: pcm: Fix the silence data for DSD formats
ALSA: ctxfi: ct20k1reg: Fix typo in include guard
ALSA: hda: ca0132_regs.h: Fix typo in include guard
ALSA: core: fix buffer overflow in snd_info_get_line()
The header file include/linux/platform_data/tegra_emc.h does not seem
to be used anywhere. It was orphaned by a7cbe92c "ARM: tegra: remove
tegra EMC scaling driver". Remove it.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Pull drm fixes from Dave Airlie:
"Nothing major, one core oops fixes, some radeon oops fixes, some sti
driver fixups, msm driver fixes and a minor Kconfig update for the ww
mutex debugging"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/ast: Add missing entry to dclk_table[]
drm: fix division-by-zero on dumb_create()
ww-mutex: clarify help text for DEBUG_WW_MUTEX_SLOWPATH
radeon: Test for PCI root bus before assuming bus->self
drm/radeon: handle broken disabled rb mask gracefully (6xx/7xx) (v2)
drm/radeon: save/restore the PD addr on suspend/resume
drm/msm: Fix missing unlock on error in msm_fbdev_create()
drm/msm: fix compile error for non-dt builds
drm/msm/mdp4: request vblank during modeset
drm/msm: avoid flood of kernel logs on faults
drm: sti: Add missing dependency on RESET_CONTROLLER
drm: sti: Make of_device_id array const
drm: sti: Fix return value check in sti_drm_platform_probe()
drm: sti: hda: fix return value check in sti_hda_probe()
drm: sti: hdmi: fix return value check in sti_hdmi_probe()
drm: sti: tvout: fix return value check in sti_tvout_probe()
We can make the code a bit simpler because we know that "!retry" is
zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
The blk_get_request function may fail in low-memory conditions or during
device removal (even if __GFP_WAIT is set). To distinguish between these
errors, modify the blk_get_request call stack to return the appropriate
ERR_PTR. Verify that all callers check the return status and consider
IS_ERR instead of a simple NULL pointer check.
For consistency, make a similar change to the blk_mq_alloc_request leg
of blk_get_request. It may fail if the queue is dead, or the caller was
unwilling to wait.
Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Jiri Kosina <jkosina@suse.cz> [for pktdvd]
Acked-by: Boaz Harrosh <bharrosh@panasas.com> [for osd]
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
