[NETNS]: Enable TCP/UDP/ICMP inside namespace.

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 39ddb84..06cfb0b 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1302,17 +1302,20 @@
 	.gso_send_check = tcp_v4_gso_send_check,
 	.gso_segment =	tcp_tso_segment,
 	.no_policy =	1,
+	.netns_ok =	1,
 };
 
 static struct net_protocol udp_protocol = {
 	.handler =	udp_rcv,
 	.err_handler =	udp_err,
 	.no_policy =	1,
+	.netns_ok =	1,
 };
 
 static struct net_protocol icmp_protocol = {
 	.handler =	icmp_rcv,
 	.no_policy =	1,
+	.netns_ok =	1,
 };
 
 static int __init init_ipv4_mibs(void)
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index ddf4cc4..53f3ed4 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -31,6 +31,7 @@
 	.handler	= udplite_rcv,
 	.err_handler	= udplite_err,
 	.no_policy	= 1,
+	.netns_ok	= 1,
 };
 
 DEFINE_PROTO_INUSE(udplite)