static struct tc_u_common *tc_u_common_find(void *key)
{
	struct tc_u_common *tc;
	hlist_for_each_entry(tc, tc_u_hash(key), hnode) {
		if (tc->ptr == key)
			return tc;
	}
	return NULL;
}
static struct tc_u_common *tc_u_common_find(void *key)
{
	struct tc_u_common *tc;
	hlist_for_each_entry(tc, tc_u_hash(key), hnode) {
		if (tc->ptr == key)
			return tc;
	}
	return NULL;
}