[NETNS]: Add netns parameter to fib_lookup.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f80c761..a7651c6 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1559,7 +1559,7 @@
 
 	if (rt->fl.iif == 0)
 		src = rt->rt_src;
-	else if (fib_lookup(&rt->fl, &res) == 0) {
+	else if (fib_lookup(&init_net, &rt->fl, &res) == 0) {
 		src = FIB_RES_PREFSRC(res);
 		fib_res_put(&res);
 	} else
@@ -1911,7 +1911,7 @@
 	/*
 	 *	Now we are ready to route packet.
 	 */
-	if ((err = fib_lookup(&fl, &res)) != 0) {
+	if ((err = fib_lookup(&init_net, &fl, &res)) != 0) {
 		if (!IN_DEV_FORWARD(in_dev))
 			goto e_hostunreach;
 		goto no_route;
@@ -2363,7 +2363,7 @@
 		goto make_route;
 	}
 
-	if (fib_lookup(&fl, &res)) {
+	if (fib_lookup(&init_net, &fl, &res)) {
 		res.fi = NULL;
 		if (oldflp->oif) {
 			/* Apparently, routing tables are wrong. Assume,