Lars-Peter Clausen e4036860a7 ALSA: control: Protect user controls against concurrent access ... commit 07f4d9d74a upstream. The user-control put and get handlers as well as the tlv do not protect against concurrent access from multiple threads. Since the state of the control is not updated atomically it is possible that either two write operations or a write and a read operation race against each other. Both can lead to arbitrary memory disclosure. This patch introduces a new lock that protects user-controls from concurrent access. Since applications typically access controls sequentially than in parallel a single lock per card should be fine. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jaroslav Kysela <perex@perex.cz> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2014-06-26 15:10:29 -04:00
..
ac97_codec.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
aci.h
ad1816a.h
ad1843.h
adau1373.h	ASoC: Add ADAU1373 codec support	2011-08-17 00:53:54 +09:00
ak4xxx-adda.h
ak4113.h
ak4114.h
ak4117.h
ak4531_codec.h
ak4641.h	ASoC: Asahi Kasei AK4641 codec driver	2011-05-19 14:10:45 -07:00
alc5623.h	ASoC: add support for alc562[123] codecs	2010-10-21 13:51:13 -07:00
asequencer.h
asound.h	ALSA: control: add support for ENUMERATED user space controls	2011-10-09 09:09:11 +02:00
asound_fm.h
asoundef.h
atmel-abdac.h
atmel-ac97c.h
compress_driver.h	ALSA: core: add API header and driver header files	2011-12-23 10:08:11 +01:00
compress_offload.h	ALSA: core: add API header and driver header files	2011-12-23 10:08:11 +01:00
compress_params.h	headers: include linux/types.h where appropriate	2012-03-23 16:58:31 -07:00
control.h	Merge branch 'topic/asoc' into for-linus	2012-03-18 18:22:37 +01:00
core.h	ALSA: control: Protect user controls against concurrent access	2014-06-26 15:10:29 -04:00
cs46xx.h
cs46xx_dsp_scb_types.h
cs46xx_dsp_spos.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
cs46xx_dsp_task_types.h
cs4231-regs.h
cs4271.h	ASoC: CS4271: Move Chip Select control out of the CODEC code.	2011-02-08 11:26:14 +00:00
cs8403.h
cs8427.h
dmaengine_pcm.h	ASoC: Add dmaengine PCM helper functions	2012-03-02 13:47:25 +00:00
emu10k1.h	ALSA: emu10k1: Fix warning: "CCR" redefined	2010-10-18 07:45:44 +02:00
emu10k1_synth.h
emu8000.h
emu8000_reg.h
emux_legacy.h
emux_synth.h
es1688.h	ALSA: Merge es1688 and es968 drivers	2010-05-10 09:49:30 +02:00
gus.h
hda_hwdep.h
hdsp.h	ALSA: hdsp - Add support for RPM io box	2010-12-01 12:14:47 +01:00
hdspm.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
hwdep.h
i2c.h
info.h	switch procfs to umode_t use	2012-01-03 22:54:56 -05:00
initval.h	sound: irq: Remove IRQF_DISABLED	2011-09-22 11:19:20 +02:00
jack.h	ALSA: Use a define for the number of jack switch types	2012-02-27 17:34:44 +01:00
Kbuild	ALSA: export compress headers	2011-12-31 17:53:52 +01:00
l3.h
max9768.h	ASoC: max9768: add driver for max9768 amplifier	2012-01-30 21:50:55 +00:00
max98088.h	ASoC: Restore MAX98088 CODEC driver	2010-10-18 16:46:27 -07:00
max98095.h	ASoC: Add EQ and filter to max98095 CODEC driver	2011-04-20 13:50:41 +01:00
memalloc.h	ALSA: memalloc.h - fix wrong truncation of dma_addr_t	2013-12-20 07:34:19 -08:00
minors.h	ALSA: core: add support for compressed devices	2011-12-23 10:07:46 +01:00
mixer_oss.h	ALSA: core: sparse cleanups	2011-02-14 17:10:11 +01:00
mpu401.h	ALSA: mpu401: clean up interrupt specification	2011-09-14 11:00:51 +02:00
opl3.h
opl4.h
pcm-indirect.h
pcm.h	Merge branch 'topic/asoc' into for-linus	2012-03-18 18:22:37 +01:00
pcm_oss.h
pcm_params.h	ALSA: Make pcm.h self-contained	2011-07-26 17:21:24 +02:00
pt2258.h
pxa2xx-lib.h
rawmidi.h	ALSA: rawmidi - Use workq for event handling	2011-06-14 14:37:06 +02:00
s3c24xx_uda134x.h
saif.h	ASoC: mxs-saif: remove function in platform_data	2011-12-02 13:56:42 +08:00
sb.h
sb16_csp.h	ALSA: sb16 - Fix build errors on MIPS and others with 13bit ioctl size	2011-06-30 15:33:57 +02:00
seq_device.h
seq_kernel.h	treewide: use __printf not __attribute__((format(printf,...)))	2011-10-31 17:30:54 -07:00
seq_midi_emul.h
seq_midi_event.h
seq_oss.h
seq_oss_legacy.h
seq_virmidi.h
sfnt_info.h
sh_dac_audio.h
sh_fsi.h	ASoC: fsi: Add DMAEngine support	2012-02-19 18:36:16 -08:00
snd_wavefront.h
soc-dai.h	ASoC: core: Split the union for CODEC/platform in the DAI	2012-03-04 13:44:01 +00:00
soc-dapm.h	The following text was taken from the original review request:	2012-03-24 10:41:37 -07:00
soc.h	ASoC: core: Add platform component mutex	2012-03-06 20:07:00 +00:00
soundfont.h	treewide: fix potentially dangerous trailing ';' in #defined values/expressions	2011-07-21 14:10:00 +02:00
sta32x.h	ASoC: sta32x: add workaround for ESD reset issue	2011-11-14 21:36:43 +00:00
tea575x-tuner.h	[media] tea575x-tuner: update to latest V4L2 framework requirements	2012-03-19 11:27:21 -03:00
tea6330t.h
timer.h
tlv.h	ALSA: tlv - Define numbers in sound/tlv.h	2010-10-17 10:46:14 +02:00
tlv320aic3x.h	ASoC: omap: Update e-mail address of Jarkko Nikula	2011-08-12 11:45:10 +09:00
tlv320aic32x4.h	ASoC: Add TI tlv320aic32x4 codec support.	2011-03-04 18:21:08 +00:00
tlv320dac33-plat.h	ASoC: tlv320dac33: Update e-mail address	2011-05-11 16:12:35 +01:00
tpa6130a2-plat.h	ASoC: tpa6130a2: Remove model_id from platform data	2011-09-21 16:07:45 +01:00
trident.h
uda134x.h	ASoC: uda134x: replace a macro with a value in platform struct.	2010-06-25 12:29:01 +01:00
uda1380.h
util_mem.h
version.h	ALSA: Release v1.0.25	2012-01-25 10:19:35 +01:00
vx_core.h
wavefront.h
wm1250-ev1.h	ASoC: Add platform data for WM1250 EV1 GPIOs	2011-09-23 17:05:38 +01:00
wm2000.h
wm2200.h	ASoC: wm2200: Add WM2200 CODEC driver	2012-01-26 16:07:55 +00:00
wm5100.h	ASoC: Add WM5100 driver	2011-09-20 16:02:16 +01:00
wm8903.h	ASoC: WM8903: Fix platform data gpio_cfg confusion	2011-12-06 10:29:22 +00:00
wm8904.h
wm8955.h
wm8960.h
wm8962.h	ASoC: wm8962: Optimise power consumption for IN4 DC measurement usage	2012-01-24 21:19:45 +00:00
wm8993.h
wm8996.h	ASoC: Rename WM8915 to WM8996	2011-08-08 14:30:37 +09:00
wm9081.h	ASoC: Add platform data for WM9081 IRQ pin configuration	2011-03-01 23:30:53 +00:00
wm9090.h
wss.h
ymfpci.h	ALSA: ymfpci - Fix legacy registers on S3/S4 resume	2012-03-13 08:12:33 +01:00