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>

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);