netdev - Re: [PATCH net-next 10/11] net: stmmac: dwmac-sun8i: Convert to platform remove callback returning void

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Message-ID: <ZCr2U3EbRBr4NtgX@corigine.com>
Date:   Mon, 3 Apr 2023 17:52:51 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev,
        linux-stm32@...md-mailman.stormreply.com, kernel@...gutronix.de
Subject: Re: [PATCH net-next 10/11] net: stmmac: dwmac-sun8i: Convert to
 platform remove callback returning void

On Sun, Apr 02, 2023 at 04:30:24PM +0200, Uwe Kleine-König 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.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

Reviewed-by: Simon Horman <simon.horman@...igine.com>