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net: Abstract dst->neighbour accesses behind helpers.

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dst_{get,set}_neighbour()

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-07-17 23:09:49 -07:00
parent 9cbb7ecbcf
commit 69cce1d140
29 changed files with 199 additions and 139 deletions
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7
net/core/neighbour.c
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@ -1153,11 +1153,12 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
while (neigh->nud_state & NUD_VALID &&
(skb = __skb_dequeue(&neigh->arp_queue)) != NULL) {
struct neighbour *n1 = neigh;
struct dst_entry *dst = skb_dst(skb);
struct neighbour *n2, *n1 = neigh;
write_unlock_bh(&neigh->lock);
/* On shaper/eql skb->dst->neighbour != neigh :( */
if (skb_dst(skb) && skb_dst(skb)->neighbour)
n1 = skb_dst(skb)->neighbour;
if (dst && (n2 = dst_get_neighbour(dst)) != NULL)
n1 = n2;
n1->output(n1, skb);
write_lock_bh(&neigh->lock);
}