diff --git a/[refs] b/[refs]
index a5e3cb1c19d5..a872c97d4c9c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a08b43aee46ed4272ad7bee2c785edcf313339b3
+refs/heads/master: 49fa09215c03116449184057f062c6aea2f1d0b4
diff --git a/trunk/drivers/usb/wusbcore/wa-xfer.c b/trunk/drivers/usb/wusbcore/wa-xfer.c
index 238a96aee3a1..613a5fc490d3 100644
--- a/trunk/drivers/usb/wusbcore/wa-xfer.c
+++ b/trunk/drivers/usb/wusbcore/wa-xfer.c
@@ -921,8 +921,10 @@ static void wa_urb_enqueue_b(struct wa_xfer *xfer)
 	result = -ENODEV;
 	/* FIXME: segmentation broken -- kills DWA */
 	mutex_lock(&wusbhc->mutex);		/* get a WUSB dev */
-	if (urb->dev == NULL)
+	if (urb->dev == NULL) {
+		mutex_unlock(&wusbhc->mutex);
 		goto error_dev_gone;
+	}
 	wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, urb->dev);
 	if (wusb_dev == NULL) {
 		mutex_unlock(&wusbhc->mutex);