virtio: fix net driver loop case where we fail to restart



skb is only NULL the first time around: it's more correct to test for
being under-budget.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

parent 9a4b9708

drivers/net/virtio_net.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -198,8 +198,8 @@ again:
		if (vi->num < vi->max / 2)
		try_fill_recv(vi);

		/* All done? */
		if (!skb) {
		/* Out of packets? */
		if (received < budget) {
		netif_rx_complete(vi->dev, napi);
		if (unlikely(!vi->rvq->vq_ops->restart(vi->rvq))
		&& netif_rx_reschedule(vi->dev, napi))