[NETNS]: Process INET socket layer in the correct namespace.

Replace all the reast of the init_net with a proper net on the socket
layer.

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 44f5ce1..a9e241c 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -446,7 +446,7 @@
 	if (addr_len < sizeof(struct sockaddr_in))
 		goto out;
 
-	chk_addr_ret = inet_addr_type(&init_net, addr->sin_addr.s_addr);
+	chk_addr_ret = inet_addr_type(sk->sk_net, addr->sin_addr.s_addr);
 
 	/* Not specified by any standard per-se, however it breaks too
 	 * many applications when removed.  It is unfortunate since
@@ -1114,7 +1114,7 @@
 	};
 
 	security_sk_classify_flow(sk, &fl);
-	err = ip_route_output_flow(&init_net, &rt, &fl, sk, 0);
+	err = ip_route_output_flow(sk->sk_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 f9c5c4d..d13c5f1 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(&init_net, &rt, &fl, sk, 0)) {
+	if (ip_route_output_flow(sk->sk_net, &rt, &fl, sk, 0)) {
 		IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES);
 		return NULL;
 	}
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 7d29a05..3f68a93 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -499,7 +499,7 @@
 	ipc.oif = sk->sk_bound_dev_if;
 
 	if (msg->msg_controllen) {
-		err = ip_cmsg_send(&init_net, msg, &ipc);
+		err = ip_cmsg_send(sk->sk_net, msg, &ipc);
 		if (err)
 			goto out;
 		if (ipc.opt)
@@ -553,7 +553,7 @@
 		}
 
 		security_sk_classify_flow(sk, &fl);
-		err = ip_route_output_flow(&init_net, &rt, &fl, sk, 1);
+		err = ip_route_output_flow(sk->sk_net, &rt, &fl, sk, 1);
 	}
 	if (err)
 		goto done;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d142b87..b37581d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -607,7 +607,7 @@
 
 	ipc.oif = sk->sk_bound_dev_if;
 	if (msg->msg_controllen) {
-		err = ip_cmsg_send(&init_net, msg, &ipc);
+		err = ip_cmsg_send(sk->sk_net, msg, &ipc);
 		if (err)
 			return err;
 		if (ipc.opt)
@@ -656,7 +656,7 @@
 					       { .sport = inet->sport,
 						 .dport = dport } } };
 		security_sk_classify_flow(sk, &fl);
-		err = ip_route_output_flow(&init_net, &rt, &fl, sk, 1);
+		err = ip_route_output_flow(sk->sk_net, &rt, &fl, sk, 1);
 		if (err) {
 			if (err == -ENETUNREACH)
 				IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES);