diff --git a/[refs] b/[refs]
index 03ead32c2bb7..a4b39f791fd0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7b6d91daee5cac6402186ff224c3af39d79f4a0e
+refs/heads/master: 15fa6e81650a167f82dc0d478f290f1cffa9183d
diff --git a/trunk/drivers/block/virtio_blk.c b/trunk/drivers/block/virtio_blk.c
index 774144334ece..b5ebcd33bdb6 100644
--- a/trunk/drivers/block/virtio_blk.c
+++ b/trunk/drivers/block/virtio_blk.c
@@ -74,6 +74,8 @@ static void blk_done(struct virtqueue *vq)
 		case REQ_TYPE_SPECIAL:
 			vbr->req->errors = (error != 0);
 			break;
+		default:
+			break;
 		}
 
 		__blk_end_request_all(vbr->req, error);