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| author | Takashi Iwai <tiwai@suse.de> | 2006-11-08 15:41:29 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-11-28 13:46:38 +0100 |
| commit | de1b8b93a0ba016b07d13086a15ad692536e6995 (patch) | |
| tree | 840f0b486009d1ddd5c38fd57bc49e2f749253a1 /sound/usb/usbaudio.c | |
| parent | 282e0c87f223afbe8b182197eb06c127a66353ce (diff) | |
| download | op-kernel-dev-de1b8b93a0ba016b07d13086a15ad692536e6995.zip op-kernel-dev-de1b8b93a0ba016b07d13086a15ad692536e6995.tar.gz | |
[ALSA] Fix hang-up at disconnection of usb-audio
Fix hang-up at disconnection of usb-audio devices while accessing PCM.
Don't handle PCM operations any more after shutdown flag is set.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/usb/usbaudio.c')
| -rw-r--r-- | sound/usb/usbaudio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index c82b01c..67202b9 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -1469,7 +1469,8 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) subs->cur_audiofmt = NULL; subs->cur_rate = 0; subs->period_bytes = 0; - release_substream_urbs(subs, 0); + if (!subs->stream->chip->shutdown) + release_substream_urbs(subs, 0); return snd_pcm_free_vmalloc_buffer(substream); } |
