linux-kernel - Re: [PATCH 10/20] pinctrl: as3722: Convert to platform remove callback returning void

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Message-ID: <CACRpkdagxBPxa+BmmBEn_ngNr5u0cVGj-Pda7TMLqv018o5uew@mail.gmail.com>
Date:   Tue, 10 Oct 2023 15:39:58 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/20] pinctrl: as3722: Convert to platform remove
 callback returning void

On Mon, Oct 9, 2023 at 11:22 AM Uwe Kleine-König
<u.kleine-koenig@...gutronix.de> 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@...gutronix.de>

Patch applied.

Yours,
Linus Walleij