netdev - Re: [PATCH net-next] net: ethernet: ti: fix error return code in am65_cpsw_nuss

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Date:   Fri, 8 May 2020 11:54:07 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Wei Yongjun <weiyongjun1@...wei.com>,
        "David S . Miller" <davem@...emloft.net>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Colin Ian King <colin.king@...onical.com>,
        Jakub Kicinski <kuba@...nel.org>
CC:     <netdev@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
        Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH net-next] net: ethernet: ti: fix error return code in
 am65_cpsw_nuss_probe()



On 08/05/2020 05:10, Wei Yongjun wrote:
> Fix to return negative error code -ENOMEM from the cpsw_ale_create()
> error handling case instead of 0, as done elsewhere in this function.
> 
> Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
> ---
>   drivers/net/ethernet/ti/am65-cpsw-nuss.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
> index f8c589929308..066ba52f57cb 100644
> --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
> +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
> @@ -2065,6 +2065,7 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev)
>   	common->ale = cpsw_ale_create(&ale_params);
>   	if (!common->ale) {
>   		dev_err(dev, "error initializing ale engine\n");
> +		ret = -ENOMEM;
>   		goto err_of_clear;
>   	}
> 
> 
> 

It seems not enough.

For consistency, Could you update it as below?
- cpsw_ale_create() to return PTR_ERR() in all places
- users to use IS_ERR() and ret = PTR_ERR()


-- 
Best regards,
grygorii