[NETNS]: Add namespace parameter to ip_route_output_key.

Needed to propagate it down to the ip_route_output_flow.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 425c9ae..9031e52 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -533,7 +533,7 @@
 	fl.fl4_dst = eiph->saddr;
 	fl.fl4_tos = RT_TOS(eiph->tos);
 	fl.proto = IPPROTO_IPIP;
-	if (ip_route_output_key(&rt, &fl))
+	if (ip_route_output_key(&init_net, &rt, &fl))
 		goto out;
 
 	skb2->dev = rt->u.dst.dev;
@@ -545,7 +545,7 @@
 		fl.fl4_dst = eiph->daddr;
 		fl.fl4_src = eiph->saddr;
 		fl.fl4_tos = eiph->tos;
-		if (ip_route_output_key(&rt, &fl) ||
+		if (ip_route_output_key(&init_net, &rt, &fl) ||
 		    rt->u.dst.dev->type != ARPHRD_TUNNEL) {
 			ip_rt_put(rt);
 			goto out;