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br_netfilter: Convert to dst_neigh_lookup_skb().

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-07-02 22:12:59 -07:00
parent c473737765
commit f9d751667f
1 changed files with 23 additions and 13 deletions
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36
net/bridge/br_netfilter.c
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@ -375,19 +375,29 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb)
if (!skb->dev)
goto free_skb;
dst = skb_dst(skb);
neigh = dst_get_neighbour_noref(dst);
if (neigh->hh.hh_len) {
neigh_hh_bridge(&neigh->hh, skb);
skb->dev = nf_bridge->physindev;
return br_handle_frame_finish(skb);
} else {
/* the neighbour function below overwrites the complete
* MAC header, so we save the Ethernet source address and
* protocol number. */
skb_copy_from_linear_data_offset(skb, -(ETH_HLEN-ETH_ALEN), skb->nf_bridge->data, ETH_HLEN-ETH_ALEN);
/* tell br_dev_xmit to continue with forwarding */
nf_bridge->mask |= BRNF_BRIDGED_DNAT;
return neigh->output(neigh, skb);
neigh = dst_neigh_lookup_skb(dst, skb);
if (neigh) {
int ret;
if (neigh->hh.hh_len) {
neigh_hh_bridge(&neigh->hh, skb);
skb->dev = nf_bridge->physindev;
ret = br_handle_frame_finish(skb);
} else {
/* the neighbour function below overwrites the complete
* MAC header, so we save the Ethernet source address and
* protocol number.
*/
skb_copy_from_linear_data_offset(skb,
-(ETH_HLEN-ETH_ALEN),
skb->nf_bridge->data,
ETH_HLEN-ETH_ALEN);
/* tell br_dev_xmit to continue with forwarding */
nf_bridge->mask |= BRNF_BRIDGED_DNAT;
ret = neigh->output(neigh, skb);
}
neigh_release(neigh);
return ret;
}
free_skb:
kfree_skb(skb);