commit 06613f547a4f62c2201f70b24807d9edd4d733b0
author Eldad Zack <eldad@fogrefinery.com> Sun Oct 06 22:31:11 2013 +0200
committer Takashi Iwai <tiwai@suse.de> Mon Oct 07 11:00:23 2013 +0200
tree 24ff2e1caa9f638f4dbe36fc222b30049459cc8b
parent 9b7c552bba88748001574925b80ba520691b0e4d

ALSA: usb-audio: clear SUBSTREAM_FLAG_SYNC_EP_STARTED on error

If setting the interface fails, the SUBSTREAM_FLAG_SYNC_EP_STARTED
should be cleared.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/pcm.c

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 1a9a018..0c1a95d 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -246,6 +246,7 @@
 						subs->sync_endpoint->iface,
 						subs->sync_endpoint->alt_idx);
 			if (err < 0) {
+				clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags);
 				snd_printk(KERN_ERR
 					   "%d:%d:%d: cannot set interface (%d)\n",
 					   subs->dev->devnum,