skb is only NULL the first time around: it's more correct to test for
being under-budget.
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
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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