diff options
Diffstat (limited to 'sound/usb/media.c')
| -rw-r--r-- | sound/usb/media.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/sound/usb/media.c b/sound/usb/media.c index d48db6f3ae65..0064f8d12422 100644 --- a/sound/usb/media.c +++ b/sound/usb/media.c @@ -140,11 +140,10 @@ int snd_media_start_pipeline(struct snd_usb_substream *subs) if (!mctl) return 0; - mutex_lock(&mctl->media_dev->graph_mutex); + guard(mutex)(&mctl->media_dev->graph_mutex); if (mctl->media_dev->enable_source) ret = mctl->media_dev->enable_source(&mctl->media_entity, &mctl->media_pipe); - mutex_unlock(&mctl->media_dev->graph_mutex); return ret; } @@ -155,10 +154,9 @@ void snd_media_stop_pipeline(struct snd_usb_substream *subs) if (!mctl) return; - mutex_lock(&mctl->media_dev->graph_mutex); + guard(mutex)(&mctl->media_dev->graph_mutex); if (mctl->media_dev->disable_source) mctl->media_dev->disable_source(&mctl->media_entity); - mutex_unlock(&mctl->media_dev->graph_mutex); } static int snd_media_mixer_init(struct snd_usb_audio *chip) |