diff --git a/[refs] b/[refs]
index d5c8535392c1..b4705fb75065 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1cde26f928863d90e9e7c1217880c8450464d305
+refs/heads/master: f831cc03490c78a76e2d35ad77ec2292d0323728
diff --git a/trunk/drivers/block/virtio_blk.c b/trunk/drivers/block/virtio_blk.c
index 62275dbdf2eb..511d4ae2d176 100644
--- a/trunk/drivers/block/virtio_blk.c
+++ b/trunk/drivers/block/virtio_blk.c
@@ -50,7 +50,6 @@ static void blk_done(struct virtqueue *vq)
 
 	spin_lock_irqsave(&vblk->lock, flags);
 	while ((vbr = vblk->vq->vq_ops->get_buf(vblk->vq, &len)) != NULL) {
-		unsigned int nr_bytes;
 		int error;
 
 		switch (vbr->status) {