Re: [PATCH v3 19/24] gpio: remove unnecessary checks from gpiod_to_chip()

[Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>]

On Thu, Feb 08, 2024 at 08:17:14PM +0100, Bartosz Golaszewski wrote:
> On Thu, Feb 8, 2024 at 6:39 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> > On Thu, Feb 08, 2024 at 10:59:15AM +0100, Bartosz Golaszewski wrote:

...

> > > -     if (!desc || IS_ERR(desc) || !desc->gdev || !desc->gdev->chip)
> > > +     if (!desc || IS_ERR(desc))
> >
> > IS_ERR_OR_NULL()
> 
> Ah, good point. It's a small nit though so I'll fix it when applying
> barring some major objections for the rest.
> 
> > >               return -EINVAL;

thinking more about it, shouldn't we return an actual error to the caller which
is in desc?

     if (!desc)
               return -EINVAL;
     if (IS_ERR(desc))
	return PTR_ERR(desc);

?

-- 
With Best Regards,
Andy Shevchenko