diff options
-rw-r--r-- | drivers/virtio/virtio_ring.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 7f1cbc59329..a6922ce1b83 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -20,17 +20,16 @@ int virtqueue_add(struct virtqueue *vq, struct virtio_sg *sgs[], unsigned int out_sgs, unsigned int in_sgs) { struct vring_desc *desc; - unsigned int total_sg = out_sgs + in_sgs; - unsigned int i, n, avail, descs_used, uninitialized_var(prev); + unsigned int descs_used = out_sgs + in_sgs; + unsigned int i, n, avail, uninitialized_var(prev); int head; - WARN_ON(total_sg == 0); + WARN_ON(descs_used == 0); head = vq->free_head; desc = vq->vring.desc; i = head; - descs_used = total_sg; if (vq->num_free < descs_used) { debug("Can't add buf len %i - avail = %i\n", |