Re: [PATCH 19/20] pinctrl: renesas: rzn1: Convert to platform remove callback returning void

From: Geert Uytterhoeven
Date: Mon Oct 09 2023 - 05:39:19 EST


On Mon, Oct 9, 2023 at 11:22 AM Uwe Kleine-König
<u.kleine-koenig@xxxxxxxxxxxxxx> wrote:
> The .remove() callback for a platform driver returns an int which makes
> many driver authors wrongly assume it's possible to do error handling by
> returning an error code. However the value returned is ignored (apart
> from emitting a warning) and this typically results in resource leaks.
>
> To improve here there is a quest to make the remove callback return
> void. In the first step of this quest all drivers are converted to
> .remove_new(), which already returns void. Eventually after all drivers
> are converted, .remove_new() will be renamed to .remove().
>
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Linus: do you plan to take this whole series directly?
If yes:
Acked-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Otherwise, I can queue it in renesas-pinctrl-for-v6.7 for my
second PR for v6.7 this Friday.

Thanks!

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds