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Message-ID: <20201107150803.GD9653@hoboy.vegasvil.org>
Date:   Sat, 7 Nov 2020 07:08:03 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     Wang Qing <wangqing@...o.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Samuel Zou <zou_wei@...wei.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/ethernet: update ret when ptp_clock is ERROR

On Fri, Nov 06, 2020 at 03:56:45PM +0800, Wang Qing wrote:
> We always have to update the value of ret, otherwise the
>  error value may be the previous one.
> 
> Signed-off-by: Wang Qing <wangqing@...o.com>

Acked-by: Richard Cochran <richardcochran@...il.com>


> ---
>  drivers/net/ethernet/ti/am65-cpts.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/ti/am65-cpts.c b/drivers/net/ethernet/ti/am65-cpts.c
> index 75056c1..b77ff61
> --- a/drivers/net/ethernet/ti/am65-cpts.c
> +++ b/drivers/net/ethernet/ti/am65-cpts.c
> @@ -1001,8 +1001,7 @@ struct am65_cpts *am65_cpts_create(struct device *dev, void __iomem *regs,
>  	if (IS_ERR_OR_NULL(cpts->ptp_clock)) {
>  		dev_err(dev, "Failed to register ptp clk %ld\n",
>  			PTR_ERR(cpts->ptp_clock));
> -		if (!cpts->ptp_clock)
> -			ret = -ENODEV;
> +		ret = cpts->ptp_clock ? cpts->ptp_clock : (-ENODEV);
>  		goto refclk_disable;
>  	}
>  	cpts->phc_index = ptp_clock_index(cpts->ptp_clock);
> -- 
> 2.7.4
> 

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