Re: [PATCH 03/13] livepatch: refactor klp_init_object

Christoph Hellwig
2021-01-28T16:24:00Z

On Wed, Jan 27, 2021 at 01:58:21PM +0100, Petr Mladek wrote:
> > --- a/kernel/livepatch/core.c
> > +++ b/kernel/livepatch/core.c
> > @@ -54,9 +54,6 @@ static void klp_find_object_module(struct klp_object *obj)
> > {
> > struct module *mod;
> >
> > - if (!klp_is_module(obj))
> > - return;
> > -
>
> We need to either update the function description or keep this check.
>
> I prefer to keep the check. The function does the right thing also
> for the object "vmlinux". Also the livepatch code includes many
> similar paranoid checks that makes the code less error prone
> against any further changes.

Well, the check is in the caller now where we have a conditional for
it. So I'd be tempted to either update the comment, or just drop the
patch.