linux-kernel - Re: [PATCH v2 21/61] mmc: sdhci-s3c: Convert to platform remove callback returning void

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Message-ID: <20230727005132.sxphs3cdourj3m2f@intel.intel>
Date:   Thu, 27 Jul 2023 02:51:32 +0200
From:   Andi Shyti <andi.shyti@...nel.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        Ben Dooks <ben-linux@...ff.org>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 21/61] mmc: sdhci-s3c: Convert to platform remove
 callback returning void

Hi Yangtao,

On Wed, Jul 26, 2023 at 12:00:01PM +0800, Yangtao Li 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: Andi Shyti <andi.shyti@...nel.org> 

Andi