From de1b8b93a0ba016b07d13086a15ad692536e6995 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 8 Nov 2006 15:41:29 +0100 Subject: [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 Signed-off-by: Jaroslav Kysela --- sound/usb/usbaudio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'sound/usb/usbaudio.c') diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index c82b01c7ad3a..67202b9eeb77 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); } -- cgit v1.2.3-58-ga151