linux-kernel - Re: [PATCH 04/27] drivers/thermal/rcar_gen3_thermal: Convert to platform remove callback returning void

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Message-ID: <CAMuHMdWbA9FxAo3f08rQ6eiOrLJcTxDqEq0BuYK4g_SnpSJYuA@mail.gmail.com>
Date:   Wed, 12 Jul 2023 13:44:09 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     Niklas Söderlund <niklas.soderlund@...natech.se>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        linux-renesas-soc@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/27] drivers/thermal/rcar_gen3_thermal: Convert to
 platform remove callback returning void

On Wed, Jul 12, 2023 at 10:16 AM Yangtao Li <frank.li@...o.com> 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 (mostly) ignored
> 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.
>
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
>
> Cc: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> Signed-off-by: Yangtao Li <frank.li@...o.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

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