linux-kernel - Re: [PATCH 2/3] spmi: mtk-pmif: Convert to platform remove callback returning void

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Message-ID: <4445a2fb-5fab-c12f-c59e-cf1e9d67db21@collabora.com>
Date:   Thu, 16 Mar 2023 10:04:00 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, kernel@...gutronix.de
Subject: Re: [PATCH 2/3] spmi: mtk-pmif: Convert to platform remove callback
 returning void

Il 06/03/23 08:34, Uwe Kleine-König ha scritto:
> 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.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>