virtio: simplify the using of received in virtnet_poll
received is 0, no need to minus it and use "+=" to reassign it
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 4e84236..a829930 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -749,9 +749,9 @@
{
struct receive_queue *rq =
container_of(napi, struct receive_queue, napi);
- unsigned int r, received = 0;
+ unsigned int r, received;
- received += virtnet_receive(rq, budget - received);
+ received = virtnet_receive(rq, budget);
/* Out of packets? */
if (received < budget) {