[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: NDavid S. Miller <davem@davemloft.net>

drivers/infiniband/hw/cxgb3/iwch_cm.c

@@ -332,7 +332,7 @@ static struct rtable *find_route(struct t3cdev *dev, __be32 local_ip,
 			  }
 	};
 
-	if (ip_route_output_flow(&rt, &fl, NULL, 0))
+	if (ip_route_output_flow(&init_net, &rt, &fl, NULL, 0))
 		return NULL;
 	return rt;
 }

include/net/route.h

@@ -112,7 +112,7 @@ extern void		ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw,
 extern void		rt_cache_flush(int how);
 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_output_flow(struct net *, 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);
 extern unsigned short	ip_rt_frag_needed(struct iphdr *iph, unsigned short new_mtu);
 extern void		ip_rt_send_redirect(struct sk_buff *skb);
@@ -167,7 +167,7 @@ static inline int ip_route_connect(struct rtable **rp, __be32 dst,
 		*rp = NULL;
 	}
 	security_sk_classify_flow(sk, &fl);
-	return ip_route_output_flow(rp, &fl, sk, flags);
+	return ip_route_output_flow(&init_net, rp, &fl, sk, flags);
 }
 
 static inline int ip_route_newports(struct rtable **rp, u8 protocol,
@@ -184,7 +184,7 @@ static inline int ip_route_newports(struct rtable **rp, u8 protocol,
 		ip_rt_put(*rp);
 		*rp = NULL;
 		security_sk_classify_flow(sk, &fl);
-		return ip_route_output_flow(rp, &fl, sk, 0);
+		return ip_route_output_flow(&init_net, rp, &fl, sk, 0);
 	}
 	return 0;
 }

net/dccp/ipv4.c

@@ -469,7 +469,7 @@ static struct dst_entry* dccp_v4_route_skb(struct sock *sk,
 			  };
 
 	security_skb_classify_flow(skb, &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;
 	}

net/ipv4/af_inet.c

@@ -1113,7 +1113,7 @@ int inet_sk_rebuild_header(struct sock *sk)
 	};
 
 	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);

net/ipv4/inet_connection_sock.c

@@ -333,7 +333,7 @@ struct dst_entry* inet_csk_route_req(struct sock *sk,
 					 .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;
 	}

net/ipv4/ip_output.c

@@ -350,7 +350,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
 			 * 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);

net/ipv4/raw.c

@@ -558,7 +558,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		}
 
 		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;

net/ipv4/route.c

@@ -2533,11 +2533,12 @@ static int ipv4_dst_blackhole(struct rtable **rp, struct flowi *flp, struct sock
 	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 @@ EXPORT_SYMBOL_GPL(ip_route_output_flow);
 
 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,

net/ipv4/udp.c

@@ -660,7 +660,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 					       { .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);