netdev - RE: [EXT] [PATCH net-next] net: ethernet: dwmac: Fix an error code in imx_dwmac

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Message-ID: <AM6PR0402MB360703C2D2EAC8A58D7BEF2DFF890@AM6PR0402MB3607.eurprd04.prod.outlook.com>
Date:   Thu, 4 Jun 2020 02:36:28 +0000
From:   Andy Duan <fugang.duan@....com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>
CC:     Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: RE: [EXT] [PATCH net-next] net: ethernet: dwmac: Fix an error code in
 imx_dwmac_probe()

From: Dan Carpenter <dan.carpenter@...cle.com> Sent: Thursday, June 4, 2020 1:50 AM
> The code is return PTR_ERR(NULL) which is zero or success.  We should
> return -ENOMEM instead.
> 
> Fixes: 94abdad6974a5 ("net: ethernet: dwmac: add ethernet glue logic for
> NXP imx8 chip")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Thanks!

Acked-by: Fugang Duan <fugang.duan@....com>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
> b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
> index 5010af7dab4af..3c5df5eeed6c8 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
> @@ -225,7 +225,7 @@ static int imx_dwmac_probe(struct platform_device
> *pdev)
> 
>         dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac),
> GFP_KERNEL);
>         if (!dwmac)
> -               return PTR_ERR(dwmac);
> +               return -ENOMEM;
> 
>         plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
>         if (IS_ERR(plat_dat))
> --
> 2.26.2