linux-kernel - Re: [PATCH 57/58] mmc: renesas_sdhi: Convert to platform remove callback returning void

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Message-ID: <CAMuHMdVz5Ufrj87jLK3hYysqWHSGE_EfFzh0UCBP573dCV7MWA@mail.gmail.com>
Date:   Thu, 13 Jul 2023 12:18:09 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-mmc@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 57/58] mmc: renesas_sdhi: Convert to platform remove
 callback returning void

On Thu, Jul 13, 2023 at 10:32 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