From c2bb6a54ef73f0abf1c49d0560bde51c3b712aae Mon Sep 17 00:00:00 2001
From: Alexander Leidinger <netchild@FreeBSD.org>
Date: Sat, 31 Mar 2007 13:38:12 +0000
Subject: [PATCH] Tell interested readers of the source that the return value
 is not checked by intend.

Found by:	Coverity Prevent (tm)
CID:		55
Reviewed by:	ariff
---
 sys/dev/sound/usb/uaudio.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sys/dev/sound/usb/uaudio.c b/sys/dev/sound/usb/uaudio.c
index 7e4bb52bb21..3c353517141 100644
--- a/sys/dev/sound/usb/uaudio.c
+++ b/sys/dev/sound/usb/uaudio.c
@@ -3114,7 +3114,11 @@ uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
 	if (sc->sc_nullalt >= 0) {
 		DPRINTF(("uaudio_chan_close: set null alt=%d\n",
 			 sc->sc_nullalt));
-		usbd_set_interface(as->ifaceh, sc->sc_nullalt);
+		/*
+		 * The interface will be initialized later again, so an
+		 * error does not hurt.
+		 */
+		(void)usbd_set_interface(as->ifaceh, sc->sc_nullalt);
 	}
 	if (ch->pipe) {
 		usbd_abort_pipe(ch->pipe);