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References: <20231009083856.222030-1-u.kleine-koenig@pengutronix.de> <20231009083856.222030-14-u.kleine-koenig@pengutronix.de>
In-Reply-To: <20231009083856.222030-14-u.kleine-koenig@pengutronix.de>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Tue, 10 Oct 2023 15:41:52 +0200
Message-ID: <CACRpkdaSWbamnTRtwp-Cj_tSVQBh6nUVmJN478rczEiFpUNLgg@mail.gmail.com>
Subject: Re: [PATCH 13/20] pinctrl: stmfx: Convert to platform remove callback
 returning void
To:     =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>
Cc:     Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        linux-gpio@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
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On Mon, Oct 9, 2023 at 11:22=E2=80=AFAM Uwe Kleine-K=C3=B6nig
<u.kleine-koenig@pengutronix.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-K=C3=B6nig <u.kleine-koenig@pengutronix.de>

Patch applied.

Yours,
Linus Walleij