linux-kernel - Re: [PATCH 09/19] cpufreq: brcmstb-avs-cpufreq: Convert to platform remove callback returning void

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Message-ID: <7614bf95-8b82-e72a-e303-db59d11fb1b3@broadcom.com>
Date:   Wed, 12 Jul 2023 17:38:01 +0200
From:   Florian Fainelli <florian.fainelli@...adcom.com>
To:     Yangtao Li <frank.li@...o.com>, Markus Mayer <mmayer@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/19] cpufreq: brcmstb-avs-cpufreq: Convert to platform
 remove callback returning void



On 7/12/2023 11:33 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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