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virtio_net: Fix IP alignment on non-mergeable RX path

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We need to enforce the IP alignment on the non-mergeable RX path just
like the other RX path.  Not doing so results in misaligned IP
headers.

Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Herbert Xu 2009-06-11 20:55:17 -07:00 • committed by David S. Miller
commit 8981f01001
1 changed files with 2 additions and 1 deletions
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3
drivers/net/virtio_net.c
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@ -283,10 +283,11 @@ static void try_fill_recv_maxbufs(struct virtnet_info *vi)
for (;;) {
struct virtio_net_hdr *hdr;
skb = netdev_alloc_skb(vi->dev, MAX_PACKET_LEN);
skb = netdev_alloc_skb(vi->dev, MAX_PACKET_LEN + NET_IP_ALIGN);
if (unlikely(!skb))
break;
skb_reserve(skb, NET_IP_ALIGN);
skb_put(skb, MAX_PACKET_LEN);
hdr = skb_vnet_hdr(skb);