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Diffstat (limited to 'sound/core/timer.c')
-rw-r--r--sound/core/timer.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 0af337efc64..b8ee49c1f85 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -306,7 +306,8 @@ int snd_timer_close(struct snd_timer_instance *timeri)
struct snd_timer *timer = NULL;
struct snd_timer_instance *slave, *tmp;
- snd_assert(timeri != NULL, return -ENXIO);
+ if (snd_BUG_ON(!timer))
+ return -ENXIO;
/* force to stop the timer */
snd_timer_stop(timeri);
@@ -385,8 +386,9 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
do_posix_clock_monotonic_gettime(&tstamp);
else
getnstimeofday(&tstamp);
- snd_assert(event >= SNDRV_TIMER_EVENT_START &&
- event <= SNDRV_TIMER_EVENT_PAUSE, return);
+ if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_START ||
+ event > SNDRV_TIMER_EVENT_PAUSE))
+ return;
if (event == SNDRV_TIMER_EVENT_START ||
event == SNDRV_TIMER_EVENT_CONTINUE)
resolution = snd_timer_resolution(ti);
@@ -474,7 +476,8 @@ static int _snd_timer_stop(struct snd_timer_instance * timeri,
struct snd_timer *timer;
unsigned long flags;
- snd_assert(timeri != NULL, return -ENXIO);
+ if (snd_BUG_ON(!timeri))
+ return -ENXIO;
if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {
if (!keep_flag) {
@@ -758,9 +761,10 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
.dev_disconnect = snd_timer_dev_disconnect,
};
- snd_assert(tid != NULL, return -EINVAL);
- snd_assert(rtimer != NULL, return -EINVAL);
- *rtimer = NULL;
+ if (snd_BUG_ON(!tid))
+ return -EINVAL;
+ if (rtimer)
+ *rtimer = NULL;
timer = kzalloc(sizeof(*timer), GFP_KERNEL);
if (timer == NULL) {
snd_printk(KERN_ERR "timer: cannot allocate\n");
@@ -788,13 +792,15 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
return err;
}
}
- *rtimer = timer;
+ if (rtimer)
+ *rtimer = timer;
return 0;
}
static int snd_timer_free(struct snd_timer *timer)
{
- snd_assert(timer != NULL, return -ENXIO);
+ if (!timer)
+ return 0;
mutex_lock(&register_mutex);
if (! list_empty(&timer->open_list_head)) {
@@ -827,8 +833,8 @@ static int snd_timer_dev_register(struct snd_device *dev)
struct snd_timer *timer = dev->device_data;
struct snd_timer *timer1;
- snd_assert(timer != NULL && timer->hw.start != NULL &&
- timer->hw.stop != NULL, return -ENXIO);
+ if (snd_BUG_ON(!timer || !timer->hw.start || !timer->hw.stop))
+ return -ENXIO;
if (!(timer->hw.flags & SNDRV_TIMER_HW_SLAVE) &&
!timer->hw.resolution && timer->hw.c_resolution == NULL)
return -EINVAL;
@@ -879,8 +885,9 @@ void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstam
if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE))
return;
- snd_assert(event >= SNDRV_TIMER_EVENT_MSTART &&
- event <= SNDRV_TIMER_EVENT_MRESUME, return);
+ if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_MSTART ||
+ event > SNDRV_TIMER_EVENT_MRESUME))
+ return;
spin_lock_irqsave(&timer->lock, flags);
if (event == SNDRV_TIMER_EVENT_MSTART ||
event == SNDRV_TIMER_EVENT_MCONTINUE ||