staging: line6: Fix unlocked snd_pcm_stop() call
snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index 4795f12..0dd08ef 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -392,8 +392,11 @@
*/
static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
{
- if (substream->runtime && snd_pcm_running(substream))
+ if (substream->runtime && snd_pcm_running(substream)) {
+ snd_pcm_stream_lock_irq(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
+ snd_pcm_stream_unlock_irq(substream);
+ }
}
/*