From 40e2bb588f7712e4d58191ccc08b716927d9c7d0 Mon Sep 17 00:00:00 2001 From: David Miller Date: Fri, 2 Dec 2011 16:52:27 +0000 Subject: infiniband: nes: Use dst's neighbour entry. Do this instead of performing a by-hand lookup. Signed-off-by: David S. Miller Acked-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'drivers/infiniband/hw/nes') diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 686667a362cf..b1e6cae5f47e 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -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; } -- cgit v1.2.3