diff options
Diffstat (limited to 'sound/drivers/pcsp/pcsp_lib.c')
| -rw-r--r-- | sound/drivers/pcsp/pcsp_lib.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c index a302756eac7c..54253e9b4b02 100644 --- a/sound/drivers/pcsp/pcsp_lib.c +++ b/sound/drivers/pcsp/pcsp_lib.c @@ -305,7 +305,9 @@ static int snd_pcsp_playback_open(struct snd_pcm_substream *substream) return -EBUSY; } runtime->hw = snd_pcsp_playback; + spin_lock_irq(&chip->substream_lock); chip->playback_substream = substream; + spin_unlock_irq(&chip->substream_lock); return 0; } |