It was unclear in original kernel-doc how nextidp worked in
idr_get_next(). Let's describe it.
Signed-off-by: NNaohiro Aota <naota@elisp.net>
Acked-by: NTejun Heo <tj@kernel.org>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>