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ALSA: line6: Don't handle PCM trigger for other cards
author
Takashi Iwai
<tiwai@suse.de>
Mon, 19 Jan 2015 14:11:17 +0000
(15:11 +0100)
committer
Takashi Iwai
<tiwai@suse.de>
Tue, 20 Jan 2015 07:16:10 +0000
(08:16 +0100)
Otherwise it oopses.
Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/line6/pcm.c
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diff --git
a/sound/usb/line6/pcm.c
b/sound/usb/line6/pcm.c
index
520cf54
..
932cc7e
100644
(file)
--- 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);