leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ALSA: usx2y: Fix unlocked snd_pcm_stop() call

Browse Source 
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>
This commit is contained in:
Takashi Iwai 2013-07-11 17:58:47 +02:00
parent 9538aa46c2
commit 5be1efb4c2
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sound/usb/usx2y/usbusx2yaudio.c
View File

@ -273,7 +273,11 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
struct snd_usX2Y_substream *subs = usX2Y->subs[s]; struct snd_usX2Y_substream *subs = usX2Y->subs[s];
if (subs) { if (subs) {
if (atomic_read(&subs->state) >= state_PRERUNNING) { 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_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN);
snd_pcm_stream_unlock_irqrestore(subs->pcm_substream, flags);
} }
for (u = 0; u < NRURBS; u++) { for (u = 0; u < NRURBS; u++) {
struct urb *urb = subs->urb[u]; struct urb *urb = subs->urb[u];