static void __net_init sctp_ctrlsock_exit(struct net *net)
{
	/* Free the control endpoint.  */
	inet_ctl_sock_destroy(net->sctp.ctl_sock);
}
static void __net_init sctp_ctrlsock_exit(struct net *net)
{
	 
	inet_ctl_sock_destroy(net->sctp.ctl_sock);
}