linux-kernel - Re: [PATCH 02/58] mmc: bcm2835: Convert to platform remove callback returning void

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Message-ID: <b7f8f970-1926-d239-d762-bb760935c4dd@broadcom.com>
Date:   Fri, 14 Jul 2023 12:10:37 +0200
From:   Florian Fainelli <florian.fainelli@...adcom.com>
To:     Yangtao Li <frank.li@...o.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>
Cc:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        linux-mmc@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/58] mmc: bcm2835: Convert to platform remove callback
 returning void



On 7/13/2023 10:07 AM, 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: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian

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