linux-kernel - Re: [PATCH 15/40] soc/mediatek: mtk-mmsys: Convert to platform remove callback returning void

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Message-ID: <e5e0703f-a96e-dafa-34d9-a6b6d8962556@collabora.com>
Date:   Tue, 26 Sep 2023 11:23:53 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        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 15/40] soc/mediatek: mtk-mmsys: Convert to platform remove
 callback returning void

Il 25/09/23 11:55, 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 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>

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