[NETNS]: Add namespace parameter to __ip_route_output_key.

This is only required to propagate it down to the
ip_route_output_slow.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/route.h b/include/net/route.h
index 5847e6f..3e3b14e 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -110,7 +110,7 @@
 extern void		ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw,
 				       __be32 src, struct net_device *dev);
 extern void		rt_cache_flush(int how);
-extern int		__ip_route_output_key(struct rtable **, const struct flowi *flp);
+extern int		__ip_route_output_key(struct net *, struct rtable **, const struct flowi *flp);
 extern int		ip_route_output_key(struct rtable **, struct flowi *flp);
 extern int		ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
 extern int		ip_route_input(struct sk_buff*, __be32 dst, __be32 src, u8 tos, struct net_device *devin);
@@ -158,7 +158,7 @@
 
 	int err;
 	if (!dst || !src) {
-		err = __ip_route_output_key(rp, &fl);
+		err = __ip_route_output_key(&init_net, rp, &fl);
 		if (err)
 			return err;
 		fl.fl4_dst = (*rp)->rt_dst;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 37cdea0..1176031 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -569,7 +569,7 @@
 		struct rtable *rt2;
 
 		security_skb_classify_flow(skb_in, &fl);
-		if (__ip_route_output_key(&rt, &fl))
+		if (__ip_route_output_key(&init_net, &rt, &fl))
 			goto out_unlock;
 
 		/* No need to clone since we're just using its address. */
@@ -592,7 +592,7 @@
 			goto out_unlock;
 
 		if (inet_addr_type(&init_net, fl.fl4_src) == RTN_LOCAL)
-			err = __ip_route_output_key(&rt2, &fl);
+			err = __ip_route_output_key(&init_net, &rt2, &fl);
 		else {
 			struct flowi fl2 = {};
 			struct dst_entry *odst;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0576ff7..971ab02 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2443,7 +2443,8 @@
 out:	return err;
 }
 
-int __ip_route_output_key(struct rtable **rp, const struct flowi *flp)
+int __ip_route_output_key(struct net *net, struct rtable **rp,
+			  const struct flowi *flp)
 {
 	unsigned hash;
 	struct rtable *rth;
@@ -2470,7 +2471,7 @@
 	}
 	rcu_read_unlock_bh();
 
-	return ip_route_output_slow(&init_net, rp, flp);
+	return ip_route_output_slow(net, rp, flp);
 }
 
 EXPORT_SYMBOL_GPL(__ip_route_output_key);
@@ -2536,7 +2537,7 @@
 {
 	int err;
 
-	if ((err = __ip_route_output_key(rp, flp)) != 0)
+	if ((err = __ip_route_output_key(&init_net, rp, flp)) != 0)
 		return err;
 
 	if (flp->proto) {
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index f04516c..3783e3e 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -36,7 +36,7 @@
 	if (saddr)
 		fl.fl4_src = saddr->a4;
 
-	err = __ip_route_output_key(&rt, &fl);
+	err = __ip_route_output_key(&init_net, &rt, &fl);
 	dst = &rt->u.dst;
 	if (err)
 		dst = ERR_PTR(err);