[alsa-devel] [PATCH 08/17] ALSA: line6: Don't handle PCM trigger for other cards

Otherwise it oopses.

Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/usb/line6/pcm.c | 2 ++ 1 file changed, 2 insertions(+)

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);