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-rw-r--r--sound/usb/usx2y/usbusx2yaudio.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 4967fe9..63fb521 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -273,7 +273,11 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
struct snd_usX2Y_substream *subs = usX2Y->subs[s];
if (subs) {
if (atomic_read(&subs->state) >= state_PRERUNNING) {
+ unsigned long flags;
+
+ snd_pcm_stream_lock_irqsave(subs->pcm_substream, flags);
snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(subs->pcm_substream, flags);
}
for (u = 0; u < NRURBS; u++) {
struct urb *urb = subs->urb[u];
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