diff --git a/[refs] b/[refs]
index aa528c70dee2..380ad274cc08 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 765e8db078e63fdc076fcf6024c15d3b7b955746
+refs/heads/master: f1e6d3c5cf86675e54a17a89668aa6685d2ef59d
diff --git a/trunk/sound/usb/usbaudio.c b/trunk/sound/usb/usbaudio.c
index fa3f7a1dc5e1..5149c5893eaa 100644
--- a/trunk/sound/usb/usbaudio.c
+++ b/trunk/sound/usb/usbaudio.c
@@ -1084,7 +1084,7 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
 		urb_packs = 1;
 	urb_packs *= packs_per_ms;
 	if (subs->syncpipe)
-		urb_packs = min(urb_packs, 1 << subs->syncinterval);
+		urb_packs = min(urb_packs, 1U << subs->syncinterval);
 
 	/* decide how many packets to be used */
 	if (is_playback) {