[INET]: Let inet_ctl_sock_create return sock rather than socket.

All upper protocol layers are already use sock internally.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d98222f..2882cc5 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2200,14 +2200,13 @@
 static int tcpv6_net_init(struct net *net)
 {
 	int err;
-	struct socket *sock;
 	struct sock *sk;
 
-	err = inet_ctl_sock_create(&sock, PF_INET6, SOCK_RAW, IPPROTO_TCP);
+	err = inet_ctl_sock_create(&sk, PF_INET6, SOCK_RAW, IPPROTO_TCP);
 	if (err)
 		return err;
 
-	net->ipv6.tcp_sk = sk = sock->sk;
+	net->ipv6.tcp_sk = sk;
 	sk_change_net(sk, net);
 	return err;
 }