static void __u32_destroy_key(struct tc_u_knode *n)
{
	struct tc_u_hnode *ht = rtnl_dereference(n->ht_down);

	tcf_exts_destroy(&n->exts);
	if (ht && --ht->refcnt == 0)
		kfree(ht);
	kfree(n);
}
static void __u32_destroy_key(struct tc_u_knode *n)
{
	struct tc_u_hnode *ht = rtnl_dereference(n->ht_down);

	tcf_exts_destroy(&n->exts);
	if (ht && --ht->refcnt == 0)
		kfree(ht);
	kfree(n);
}