linux-sg2042/sound/drivers
Omair Mohammed Abdullah d4f1e48bd1 ALSA: aloop - add locking to timer access
When the loopback timer handler is running, calling del_timer() (for STOP
trigger) will not wait for the handler to complete before deactivating the
timer. The timer gets rescheduled in the handler as usual. Then a subsequent
START trigger will try to start the timer using add_timer() with a timer pending
leading to a kernel panic.

Serialize the calls to add_timer() and del_timer() using a spin lock to avoid
this.

Signed-off-by: Omair Mohammed Abdullah <omair.m.abdullah@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-10-06 16:50:28 +02:00
..
mpu401 ALSA: mpu401: Fix missing initialization of irq field 2012-07-25 14:04:04 +02:00
opl3 sound: Remove unnecessary semicolon 2012-10-06 16:47:53 +02:00
opl4 ALSA: opl4: use list_move_tail instead of list_del/list_add_tail 2012-09-05 09:14:45 +02:00
pcsp ALSA: platform: Check CONFIG_PM_SLEEP instead of CONFIG_PM 2012-08-09 15:47:15 +02:00
vx sound: Remove unnecessary semicolon 2012-10-06 16:47:53 +02:00
Kconfig Documentation: remove references to /etc/modprobe.conf 2012-03-30 16:03:15 -07:00
Makefile ALSA: introduce the snd-aloop module for the PCM loopback 2010-08-09 14:21:11 +02:00
aloop.c ALSA: aloop - add locking to timer access 2012-10-06 16:50:28 +02:00
dummy.c ALSA: platform: Check CONFIG_PM_SLEEP instead of CONFIG_PM 2012-08-09 15:47:15 +02:00
ml403-ac97cr.c ALSA: module_param: make bool parameters really bool 2011-12-19 10:34:41 +01:00
mtpav.c ALSA: Add missing .owner=THIS_MODULE to platform_driver definitions 2012-07-02 17:50:05 +02:00
mts64.c ALSA: Add missing .owner=THIS_MODULE to platform_driver definitions 2012-07-02 17:50:05 +02:00
pcm-indirect2.c Fix common misspellings 2011-03-31 11:26:23 -03:00
pcm-indirect2.h [ALSA] Xilinx ML403 AC97 Controller Reference device driver 2008-01-31 17:29:15 +01:00
portman2x4.c ALSA: Add missing .owner=THIS_MODULE to platform_driver definitions 2012-07-02 17:50:05 +02:00
serial-u16550.c ALSA: Add missing .owner=THIS_MODULE to platform_driver definitions 2012-07-02 17:50:05 +02:00
virmidi.c ALSA: Add missing .owner=THIS_MODULE to platform_driver definitions 2012-07-02 17:50:05 +02:00