X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=sound%2Fcore%2Fpcm_native.c;h=703857aab00fc17e6ca667fdcaf27e94200bc84f;hp=860543a4c840207cda8e4a8c3ec873868b27b8ed;hb=75cdf416b32293dfc348d4c06fcc775ba4dacff6;hpb=47ebe00b684c2bc183a766bc33c8b5943bc0df85

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 860543a4c840..703857aab00f 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -77,7 +77,7 @@ void snd_pcm_group_init(struct snd_pcm_group *group)
 	spin_lock_init(&group->lock);
 	mutex_init(&group->mutex);
 	INIT_LIST_HEAD(&group->substreams);
-	refcount_set(&group->refs, 0);
+	refcount_set(&group->refs, 1);
 }
 
 /* define group lock helpers */
@@ -1096,8 +1096,7 @@ static void snd_pcm_group_unref(struct snd_pcm_group *group,
 
 	if (!group)
 		return;
-	do_free = refcount_dec_and_test(&group->refs) &&
-		list_empty(&group->substreams);
+	do_free = refcount_dec_and_test(&group->refs);
 	snd_pcm_group_unlock(group, substream->pcm->nonatomic);
 	if (do_free)
 		kfree(group);
@@ -1874,6 +1873,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
 		if (!to_check)
 			break; /* all drained */
 		init_waitqueue_entry(&wait, current);
+		set_current_state(TASK_INTERRUPTIBLE);
 		add_wait_queue(&to_check->sleep, &wait);
 		snd_pcm_stream_unlock_irq(substream);
 		if (runtime->no_period_wakeup)
@@ -1886,7 +1886,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
 			}
 			tout = msecs_to_jiffies(tout * 1000);
 		}
-		tout = schedule_timeout_interruptible(tout);
+		tout = schedule_timeout(tout);
 
 		snd_pcm_stream_lock_irq(substream);
 		group = snd_pcm_stream_group_ref(substream);
@@ -2020,6 +2020,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
 	snd_pcm_group_lock_irq(target_group, nonatomic);
 	snd_pcm_stream_lock(substream1);
 	snd_pcm_group_assign(substream1, target_group);
+	refcount_inc(&target_group->refs);
 	snd_pcm_stream_unlock(substream1);
 	snd_pcm_group_unlock_irq(target_group, nonatomic);
  _end:
@@ -2056,13 +2057,14 @@ static int snd_pcm_unlink(struct snd_pcm_substream *substream)
 	snd_pcm_group_lock_irq(group, nonatomic);
 
 	relink_to_local(substream);
+	refcount_dec(&group->refs);
 
 	/* detach the last stream, too */
 	if (list_is_singular(&group->substreams)) {
 		relink_to_local(list_first_entry(&group->substreams,
 						 struct snd_pcm_substream,
 						 link_list));
-		do_free = !refcount_read(&group->refs);
+		do_free = refcount_dec_and_test(&group->refs);
 	}
 
 	snd_pcm_group_unlock_irq(group, nonatomic);