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-rw-r--r--drivers/virtio/virtio_ring.c7
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",