diff options
Diffstat (limited to 'sound/core/pcm.c')
| -rw-r--r-- | sound/core/pcm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 43932e8dce66..afccdc553ef9 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -698,6 +698,7 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count) } substream->group = &substream->self_group; spin_lock_init(&substream->self_group.lock); + mutex_init(&substream->self_group.mutex); INIT_LIST_HEAD(&substream->self_group.substreams); list_add_tail(&substream->link_list, &substream->self_group.substreams); atomic_set(&substream->mmap_count, 0); |