[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/sctp/protocol.c b/net/sctp/protocol.c
index ac0833c..3c08d33 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -674,21 +674,19 @@
 {
 	int err;
 	sa_family_t family;
-	struct socket *socket;
 
 	if (sctp_get_pf_specific(PF_INET6))
 		family = PF_INET6;
 	else
 		family = PF_INET;
 
-	err = inet_ctl_sock_create(&socket, family,
+	err = inet_ctl_sock_create(&sctp_ctl_sock, family,
 				   SOCK_SEQPACKET, IPPROTO_SCTP);
 	if (err < 0) {
 		printk(KERN_ERR
 		       "SCTP: Failed to create the SCTP control socket.\n");
 		return err;
 	}
-	sctp_ctl_sock = socket->sk;
 	return 0;
 }