net: virtio: switch to netif_napi_add_weight()

virtio netdev driver uses a custom napi weight, switch to the new
API for setting custom weight.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/virtio_net.c

@@ -3313,7 +3313,7 @@ static int virtnet_alloc_queues(struct virtnet_info *vi)
 	INIT_DELAYED_WORK(&vi->refill, refill_work);
 	for (i = 0; i < vi->max_queue_pairs; i++) {
 		vi->rq[i].pages = NULL;
-		netif_napi_add(vi->dev, &vi->rq[i].napi, virtnet_poll,
+		netif_napi_add_weight(vi->dev, &vi->rq[i].napi, virtnet_poll,
 				      napi_weight);
 		netif_napi_add_tx_weight(vi->dev, &vi->sq[i].napi,
 					 virtnet_poll_tx,