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

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Message-ID: <ZCwG-iyu43vKoFGu@orome>
Date:   Tue, 4 Apr 2023 13:16:10 +0200
From:   Thierry Reding <thierry.reding@...il.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>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>, netdev@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
        kernel@...gutronix.de
Subject: Re: [PATCH net-next 11/11] net: stmmac: dwmac-tegra: Convert to
 platform remove callback returning void

On Sun, Apr 02, 2023 at 04:30:25PM +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>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)

Acked-by: Thierry Reding <treding@...dia.com>

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