68afbe89c7
The idea is that after a remove_from_list(), you might want to be able to do a remove_from_list() on it again or an is_empty_list(). This is apparently relied on by r300g. Reviewed-by: Marek Olšák <marek.olsak@amd.com>
We have two copies of it in the tree, I'm going to delete one. Reviewed-by: Marek Olšák <marek.olsak@amd.com>