[NETNS]: Add namespace parameter to ip_route_output_flow.

Needed to propagate it down to the __ip_route_output_key.

Signed_off_by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index bcf8c8a..09ca529 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1113,7 +1113,7 @@
 	};
 
 	security_sk_classify_flow(sk, &fl);
-	err = ip_route_output_flow(&rt, &fl, sk, 0);
+	err = ip_route_output_flow(&init_net, &rt, &fl, sk, 0);
 }
 	if (!err)
 		sk_setup_caps(sk, &rt->u.dst);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 1c2a32f..7801cce 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -333,7 +333,7 @@
 					 .dport = ireq->rmt_port } } };
 
 	security_req_classify_flow(req, &fl);
-	if (ip_route_output_flow(&rt, &fl, sk, 0)) {
+	if (ip_route_output_flow(&init_net, &rt, &fl, sk, 0)) {
 		IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES);
 		return NULL;
 	}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 8950d18..6d78e1d 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -350,7 +350,7 @@
 			 * itself out.
 			 */
 			security_sk_classify_flow(sk, &fl);
-			if (ip_route_output_flow(&rt, &fl, sk, 0))
+			if (ip_route_output_flow(&init_net, &rt, &fl, sk, 0))
 				goto no_route;
 		}
 		sk_setup_caps(sk, &rt->u.dst);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 91a5218..85c0869 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -558,7 +558,7 @@
 		}
 
 		security_sk_classify_flow(sk, &fl);
-		err = ip_route_output_flow(&rt, &fl, sk, 1);
+		err = ip_route_output_flow(&init_net, &rt, &fl, sk, 1);
 	}
 	if (err)
 		goto done;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 971ab02..c75fc20 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2533,11 +2533,12 @@
 	return (rt ? 0 : -ENOMEM);
 }
 
-int ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk, int flags)
+int ip_route_output_flow(struct net *net, struct rtable **rp, struct flowi *flp,
+			 struct sock *sk, int flags)
 {
 	int err;
 
-	if ((err = __ip_route_output_key(&init_net, rp, flp)) != 0)
+	if ((err = __ip_route_output_key(net, rp, flp)) != 0)
 		return err;
 
 	if (flp->proto) {
@@ -2560,7 +2561,7 @@
 
 int ip_route_output_key(struct rtable **rp, struct flowi *flp)
 {
-	return ip_route_output_flow(rp, flp, NULL, 0);
+	return ip_route_output_flow(&init_net, rp, flp, NULL, 0);
 }
 
 static int rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ecd9d91..2fb8d73 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -660,7 +660,7 @@
 					       { .sport = inet->sport,
 						 .dport = dport } } };
 		security_sk_classify_flow(sk, &fl);
-		err = ip_route_output_flow(&rt, &fl, sk, 1);
+		err = ip_route_output_flow(&init_net, &rt, &fl, sk, 1);
 		if (err) {
 			if (err == -ENETUNREACH)
 				IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES);