linux-kernel - Re: [PATCH net-next] net: microchip: Make `lan743x_pm

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Date:   Tue, 22 Sep 2020 16:54:28 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     zhengyongjun3@...wei.com
Cc:     bryan.whitehead@...rochip.com, UNGLinuxDriver@...rochip.com,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: microchip: Make `lan743x_pm_suspend`
 function return right value

From: Zheng Yongjun <zhengyongjun3@...wei.com>
Date: Mon, 21 Sep 2020 20:08:18 +0800

> @@ -3053,7 +3053,7 @@ static int lan743x_pm_suspend(struct device *dev)
>  	/* Host sets PME_En, put D3hot */
>  	ret = pci_prepare_to_sleep(pdev);
>  
> -	return 0;
> +	return ret;
>  }

Instead please do:

	return pci_preprare_to_sleep(pdev);

And if 'ret' is then completely unused as a result, remove it.