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authorTakashi Iwai <tiwai@suse.de>2015-01-19 15:11:17 +0100
committerTakashi Iwai <tiwai@suse.de>2015-01-20 08:16:10 +0100
commit7d70c81ccaccb74326255fb9549c872bc29193d6 (patch)
treea7f08f4876873c95e27663b12099206e49d2056e /sound/usb
parenta019f5e8c522f5b5f8b3419a1e56d142ea4c7621 (diff)
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ALSA: line6: Don't handle PCM trigger for other cards
Otherwise it oopses. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/line6/pcm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c
index 520cf540e83c..932cc7e194e2 100644
--- a/sound/usb/line6/pcm.c
+++ b/sound/usb/line6/pcm.c
@@ -233,6 +233,8 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
clear_bit(LINE6_INDEX_PREPARED, &line6pcm->flags);
snd_pcm_group_for_each_entry(s, substream) {
+ if (s->pcm->card != substream->pcm->card)
+ continue;
switch (s->stream) {
case SNDRV_PCM_STREAM_PLAYBACK:
err = snd_line6_playback_trigger(line6pcm, cmd);