diff --git a/[refs] b/[refs]
index 9c5da7377fc0..f10156e5008d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4614e51cccca0eb42ff7b1b6383e2d07db42edc8
+refs/heads/master: de929b04450f2ec984c2febb1249d0e0f993d0a2
diff --git a/trunk/tools/virtio/virtio_test.c b/trunk/tools/virtio/virtio_test.c
index e626fa553c5a..a11028acf219 100644
--- a/trunk/tools/virtio/virtio_test.c
+++ b/trunk/tools/virtio/virtio_test.c
@@ -164,7 +164,7 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq,
 				r = virtqueue_add_buf(vq->vq, &sl, 1, 0,
 						      dev->buf + started,
 						      GFP_ATOMIC);
-				if (likely(r >= 0)) {
+				if (likely(r == 0)) {
 					++started;
 					virtqueue_kick(vq->vq);
 				}
@@ -177,7 +177,7 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq,
 				r = 0;
 			}
 
-		} while (r >= 0);
+		} while (r == 0);
 		if (completed == completed_before)
 			++spurious;
 		assert(completed <= bufs);