[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);