netdev - Re: [PATCH net-next 02/11] net: stmmac: dwmac-visconti: Make visconti_eth_clock

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Date:   Sun, 2 Apr 2023 19:02:26 +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>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, kernel@...gutronix.de
Subject: Re: [PATCH net-next 02/11] net: stmmac: dwmac-visconti: Make
 visconti_eth_clock_remove() return void

On Sun, Apr 02, 2023 at 04:30:16PM +0200, Uwe Kleine-König wrote:
> The function returns zero unconditionally. Change it to return void
> instead which simplifies one caller as error handing becomes
> unnecessary.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

...

> @@ -267,9 +265,7 @@ static int visconti_eth_dwmac_remove(struct platform_device *pdev)
>  
>  	stmmac_pltfr_remove(pdev);
>  
> -	err = visconti_eth_clock_remove(pdev);
> -	if (err < 0)
> -		dev_err(&pdev->dev, "failed to remove clock: %d\n", err);
> +	visconti_eth_clock_remove(pdev);
>  
>  	stmmac_remove_config_dt(pdev, priv->plat);

err is now returned uninitialised by this function.

I see that err is removed in a later patch.
But perhaps it's best to make this patch clean in this regard too.