static __net_init int tcf_net_init(struct net *net)
{
	struct tcf_net *tn = net_generic(net, tcf_net_id);

	spin_lock_init(&tn->idr_lock);
	idr_init(&tn->idr);
	return 0;
}
static __net_init int tcf_net_init(struct net *net)
{
	struct tcf_net *tn = net_generic(net, tcf_net_id);

	spin_lock_init(&tn->idr_lock);
	idr_init(&tn->idr);
	return 0;
}