The variables `total_sg` and `descs_used` have the same value. Replace the few uses of `total_sg` with `descs_used` to simplify the situation.
Signed-off-by: Andrew Scull ascull@google.com --- drivers/virtio/virtio_ring.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 7f1cbc5932..a6922ce1b8 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",