linux-kernel - Re: [PATCH 3/3] pinctrl: renesas: Use int type to store negative error codes

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Message-ID: <CAMuHMdW59wJCKq8nQ-SZHXVsX2kSCF0zg_gTP2vi3ApwH_SXAg@mail.gmail.com>
Date: Mon, 1 Sep 2025 11:07:07 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Qianfeng Rong <rongqianfeng@...o.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, 
	"open list:PIN CONTROLLER - RENESAS" <linux-renesas-soc@...r.kernel.org>, 
	"open list:PIN CONTROL SUBSYSTEM" <linux-gpio@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] pinctrl: renesas: Use int type to store negative
 error codes

Hi Qianfeng,

Thanks for your patch!

On Sun, 31 Aug 2025 at 10:50, Qianfeng Rong <rongqianfeng@...o.com> wrote:
> Change the 'ret' variable in ma35_pinctrl_parse_functions() from unsigned

sh_pfc_pinconf_group_set

> int to int, as it needs to store either negative error codes or zero
> returned by sh_pfc_pinconf_set().
>
> No effect on runtime.

Fortunately the issue was indeed harmless.

>
> Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>

Fixes: d0593c363f04ccc4 ("pinctrl: sh-pfc: Propagate errors on group config")
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-pinctrl for v6.18, with the above fixed.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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