diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2007-07-30 08:14:31 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 15:58:13 +0200 |
| commit | 29998d24ab5ec488cd127488246cc749b0ac52d6 (patch) | |
| tree | bef33b79ed8c45f88c73871694418f563deaa10b /sound/pci/pcxhr/pcxhr.c | |
| parent | 82467611ffc41fba534c95f8b4ae3887a90f5a66 (diff) | |
[ALSA] check for linked substreams of different cards
It is possible to have linked substreams that belong to different cards
and/or different drivers. This patch changes some drivers to make sure
that they do not incorrectly try to handle substreams of a different
card.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/pcxhr/pcxhr.c')
| -rw-r--r-- | sound/pci/pcxhr/pcxhr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c index f7f6a687f03..1b787f45557 100644 --- a/sound/pci/pcxhr/pcxhr.c +++ b/sound/pci/pcxhr/pcxhr.c @@ -646,6 +646,8 @@ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) if (snd_pcm_stream_linked(subs)) { struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); snd_pcm_group_for_each_entry(s, subs) { + if (snd_pcm_substream_chip(s) != chip) + continue; stream = s->runtime->private_data; stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN; |