linux-kernel - Re: [PATCH] pinctrl: rzn1: Fix of_get_child

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Message-ID: <CAMuHMdW8_1cuLNyUFVVfdydbRmiqY6F+-Qfj9XEX3enz4-z00A@mail.gmail.com>
Date:   Fri, 23 Nov 2018 13:06:02 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Phil Edworthy <phil.edworthy@...esas.com>
Cc:     Jacopo Mondi <jacopo@...ndi.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: rzn1: Fix of_get_child_count() error check

On Fri, Nov 23, 2018 at 11:54 AM Phil Edworthy
<phil.edworthy@...esas.com> wrote:
> If we assign the result of of_get_child_count() to an unsigned int,
> the code will not detect any errors. Therefore assign it to an int
> instead.

Note that currently of_get_child_count() never returns a negative
error code. But it does return int, not unsigned int.

> Signed-off-by: Phil Edworthy <phil.edworthy@...esas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in sh-pfc-for-v4.21.

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