[NETNS]: Default arp parameters lookup.

Default ARP parameters should be findable regardless of the context.
Required to make inetdev_event working.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index be8b264..31b6567 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1284,9 +1284,7 @@
 	struct neigh_parms *p;
 
 	for (p = &tbl->parms; p; p = p->next) {
-		if (p->net != net)
-			continue;
-		if ((p->dev && p->dev->ifindex == ifindex) ||
+		if ((p->dev && p->dev->ifindex == ifindex && p->net == net) ||
 		    (!p->dev && !ifindex))
 			return p;
 	}