[Lguest] [PATCH 1/2] virtio: fix net driver loop case where we fail to restart
Simon Horman
horms at verge.net.au
Tue Nov 20 18:20:55 EST 2007
On Mon, Nov 19, 2007 at 11:20:15AM +1100, Rusty Russell wrote:
> skb is only NULL the first time around: it's more correct to test for
> being under-budget.
>
> Signed-off-by: Rusty Russell <rusty at rustcorp.com.au>
That looks better to me.
Acked-by: Simon Horman <horms at verge.net.au>
> diff -r 2a94425ac7d5 drivers/net/virtio_net.c
> --- a/drivers/net/virtio_net.c Thu Nov 15 13:47:28 2007 +1100
> +++ b/drivers/net/virtio_net.c Thu Nov 15 23:10:44 2007 +1100
> @@ -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))
> -
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--
Horms
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