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virtio: fix net driver loop case where we fail to restart
author
Rusty Russell
<rusty@rustcorp.com.au>
Mon, 19 Nov 2007 16:20:43 +0000
(11:20 -0500)
committer
Rusty Russell
<rusty@rustcorp.com.au>
Mon, 19 Nov 2007 00:20:44 +0000
(11:20 +1100)
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>
drivers/net/virtio_net.c
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diff --git
a/drivers/net/virtio_net.c
b/drivers/net/virtio_net.c
index d74e6f4aa248a39bdcde000e7bbae3adb5e8f7be..5413dbf3d4ac25ab688bb1a965ccf981f230addc 100644
(file)
--- a/
drivers/net/virtio_net.c
+++ b/
drivers/net/virtio_net.c
@@
-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))