static rtnl_doit_func rtnl_get_doit(int protocol, int msgindex)
{
	struct rtnl_link *tab;

	if (protocol <= RTNL_FAMILY_MAX)
		tab = rtnl_msg_handlers[protocol];
	else
		tab = NULL;

	if (tab == NULL || tab[msgindex].doit == NULL)
		tab = rtnl_msg_handlers[PF_UNSPEC];

	return tab[msgindex].doit;
}
Unknown