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authorClemens Ladisch <clemens@ladisch.de>2011-03-30 10:24:00 +0400
committerTakashi Iwai <tiwai@suse.de>2011-03-30 10:56:57 +0400
commit6ff674615c91d942e4cfb4880c14733b616c9032 (patch)
treed63d4a206fec0c7b917643afb65f36e5a5795dd4 /sound
parentc6b358748e19ce7e230b0926ac42696bc485a562 (diff)
downloadlinux-6ff674615c91d942e4cfb4880c14733b616c9032.tar.xz
ALSA: firewire-speakers: fix hang when unplugging a running device
When aborting a PCM stream, the xrun is signaled only if the stream is running. When disconnecting a PCM stream, calling snd_card_disconnect() too early would change the stream into a non-running state and thus prevent the xrun from being noticed by user space. To prevent this, move the snd_card_disconnect() call after the xrun. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/firewire/speakers.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/firewire/speakers.c b/sound/firewire/speakers.c
index 0fce9218abb1..5466de8527bd 100644
--- a/sound/firewire/speakers.c
+++ b/sound/firewire/speakers.c
@@ -778,10 +778,9 @@ static int __devexit fwspk_remove(struct device *dev)
{
struct fwspk *fwspk = dev_get_drvdata(dev);
- snd_card_disconnect(fwspk->card);
-
mutex_lock(&fwspk->mutex);
amdtp_out_stream_pcm_abort(&fwspk->stream);
+ snd_card_disconnect(fwspk->card);
fwspk_stop_stream(fwspk);
mutex_unlock(&fwspk->mutex);