[alsa-devel] [PATCH] sound: oss: fix uninitialized spinlock

Akinobu Mita akinobu.mita at gmail.com
Sat Aug 28 06:25:33 CEST 2010

The spinlock lock in sound_timer.c is used without initialization.

Signed-off-by: Akinobu Mita <akinobu.mita at gmail.com>
Cc: Takashi Iwai <tiwai at suse.de>
Cc: Jaroslav Kysela <perex at perex.cz>
 sound/oss/sound_timer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/oss/sound_timer.c b/sound/oss/sound_timer.c
index f0f0c19..48cda6c 100644
--- a/sound/oss/sound_timer.c
+++ b/sound/oss/sound_timer.c
@@ -26,7 +26,7 @@ static unsigned long prev_event_time;
 static volatile unsigned long usecs_per_tmr;	/* Length of the current interval */
 static struct sound_lowlev_timer *tmr;
-static spinlock_t lock;
+static DEFINE_SPINLOCK(lock);
 static unsigned long tmr2ticks(int tmr_value)

More information about the Alsa-devel mailing list