ipv4: Use calculated 'neigh' instead of re-evaluating dst->neighbour

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index a621b96..1ac674a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -210,7 +210,7 @@
 		if (hh->hh_len)
 			return neigh_hh_output(hh, skb);
 		else
-			return dst->neighbour->output(skb);
+			return neigh->output(skb);
 	}
 	if (net_ratelimit())
 		printk(KERN_DEBUG "ip_finish_output2: No header cache and no neighbour!\n");