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infiniband: nes: Use dst's neighbour entry. 

Do this instead of performing a by-hand lookup.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
David Miller 2011-12-02 16:52:27 +00:00 committed by David S. Miller
parent c4be62a4d2
commit 40e2bb588f
1 changed files with 5 additions and 9 deletions
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14
drivers/infiniband/hw/nes/nes_cm.c
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@ -1348,7 +1348,8 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
else
netdev = nesvnic->netdev;
neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, netdev);
rcu_read_lock();
neigh = dst_get_neighbour_noref(&rt->dst);
if (neigh) {
if (neigh->nud_state & NUD_VALID) {
nes_debug(NES_DBG_CM, "Neighbor MAC address for 0x%08X"
@ -1359,7 +1360,6 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
if (!memcmp(nesadapter->arp_table[arpindex].mac_addr,
neigh->ha, ETH_ALEN)) {
/* Mac address same as in nes_arp_table */
neigh_release(neigh);
ip_rt_put(rt);
return rc;
}
@ -1373,15 +1373,11 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
dst_ip, NES_ARP_ADD);
rc = nes_arp_table(nesvnic->nesdev, dst_ip, NULL,
NES_ARP_RESOLVE);
} else {
neigh_event_send(neigh, NULL);
}
neigh_release(neigh);
}
if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID))) {
rcu_read_lock();
neigh_event_send(dst_get_neighbour_noref(&rt->dst), NULL);
rcu_read_unlock();
}
rcu_read_unlock();
ip_rt_put(rt);
return rc;
}