On Fri, Mar 19, 2021 at 08:03:22PM +0100, Mickaël Salaün wrote: > On 19/03/2021 19:40, Kees Cook wrote: > > On Tue, Mar 16, 2021 at 09:42:42PM +0100, Mickaël Salaün wrote: > >> [...] > >> +static void put_rule(struct landlock_rule *const rule) > >> +{ > >> + might_sleep(); > >> + if (!rule) > >> + return; > >> + landlock_put_object(rule->object); > >> + kfree(rule); > >> +} > > > > I'd expect this to be named "release" rather than "put" since it doesn't > > do any lifetime reference counting. > > It does decrement rule->object->usage . Well, landlock_put_object() decrements rule->object's lifetime. It seems "rule" doesn't have a lifetime. (There is no refcounter on rule.) I just find it strange to see "put" without a matching "get". Not a big deal. -- Kees Cook