OpenCloudOS-Kernel/sound/core/oss
Pavel Skripkin 3ab7992018 ALSA: mixer: fix deadlock in snd_mixer_oss_set_volume
In commit 411cef6adf ("ALSA: mixer: oss: Fix racy access to slots")
added mutex protection in snd_mixer_oss_set_volume(). Second
mutex_lock() in same function looks like typo, fix it.

Reported-by: syzbot+ace149a75a9a0a399ac7@syzkaller.appspotmail.com
Fixes: 411cef6adf ("ALSA: mixer: oss: Fix racy access to slots")
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/20211024140315.16704-1-paskripkin@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-10-26 07:59:40 +02:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
copy.c ALSA: Kill snd_assert() in sound/core/* 2008-08-13 11:46:35 +02:00
io.c ALSA: pcm: Build OSS writev/readv helpers conditionally 2017-06-02 19:38:26 +02:00
linear.c ALSA: pcm: oss: Avoid potential buffer overflows 2019-12-04 15:51:30 +01:00
mixer_oss.c ALSA: mixer: fix deadlock in snd_mixer_oss_set_volume 2021-10-26 07:59:40 +02:00
mulaw.c ALSA: pcm: oss: Remove superfluous WARN_ON() for mulaw sanity check 2020-09-01 15:18:33 +02:00
pcm_oss.c ALSA: oss: Fix assignment in if condition 2021-06-09 17:30:25 +02:00
pcm_plugin.c ALSA: oss: Fix assignment in if condition 2021-06-09 17:30:25 +02:00
pcm_plugin.h ALSA: Replace zero-length array with flexible-array 2020-05-07 22:30:36 +02:00
rate.c ALSA: oss: Use DIV_ROUND_CLOSEST() instead of open-coding it 2020-12-25 09:11:54 +01:00
route.c ALSA: pcm: oss: Avoid potential buffer overflows 2019-12-04 15:51:30 +01:00