linux-kernel - Re: [PATCH] net: macb: fix error format in dev

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Message-ID: <775ea7ee-f879-149a-8a60-97635a2cd218@microchip.com>
Date:   Tue, 14 May 2019 07:24:02 +0000
From:   <Nicolas.Ferre@...rochip.com>
To:     <luca@...aceresoli.net>, <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <linux-kernel@...r.kernel.org>,
        <Claudiu.Beznea@...rochip.com>
Subject: Re: [PATCH] net: macb: fix error format in dev_err()

On 14/05/2019 at 09:14, Luca Ceresoli wrote:
> External E-Mail
> 
> 
> Errors are negative numbers. Using %u shows them as very large positive
> numbers such as 4294967277 that don't make sense. Use the %d format
> instead, and get a much nicer -19.
> 
> Signed-off-by: Luca Ceresoli <luca@...aceresoli.net>

Indeed!
Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>

> ---
>   drivers/net/ethernet/cadence/macb_main.c | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
> index c049410bc888..bebd9b1aeb64 100644
> --- a/drivers/net/ethernet/cadence/macb_main.c
> +++ b/drivers/net/ethernet/cadence/macb_main.c
> @@ -3343,7 +3343,7 @@ static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
>   		if (!err)
>   			err = -ENODEV;
>   
> -		dev_err(&pdev->dev, "failed to get macb_clk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to get macb_clk (%d)\n", err);
>   		return err;
>   	}
>   
> @@ -3352,7 +3352,7 @@ static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
>   		if (!err)
>   			err = -ENODEV;
>   
> -		dev_err(&pdev->dev, "failed to get hclk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to get hclk (%d)\n", err);
>   		return err;
>   	}
>   
> @@ -3370,31 +3370,31 @@ static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
>   
>   	err = clk_prepare_enable(*pclk);
>   	if (err) {
> -		dev_err(&pdev->dev, "failed to enable pclk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to enable pclk (%d)\n", err);
>   		return err;
>   	}
>   
>   	err = clk_prepare_enable(*hclk);
>   	if (err) {
> -		dev_err(&pdev->dev, "failed to enable hclk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to enable hclk (%d)\n", err);
>   		goto err_disable_pclk;
>   	}
>   
>   	err = clk_prepare_enable(*tx_clk);
>   	if (err) {
> -		dev_err(&pdev->dev, "failed to enable tx_clk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to enable tx_clk (%d)\n", err);
>   		goto err_disable_hclk;
>   	}
>   
>   	err = clk_prepare_enable(*rx_clk);
>   	if (err) {
> -		dev_err(&pdev->dev, "failed to enable rx_clk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to enable rx_clk (%d)\n", err);
>   		goto err_disable_txclk;
>   	}
>   
>   	err = clk_prepare_enable(*tsu_clk);
>   	if (err) {
> -		dev_err(&pdev->dev, "failed to enable tsu_clk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to enable tsu_clk (%d)\n", err);
>   		goto err_disable_rxclk;
>   	}
>   
> @@ -3868,7 +3868,7 @@ static int at91ether_clk_init(struct platform_device *pdev, struct clk **pclk,
>   
>   	err = clk_prepare_enable(*pclk);
>   	if (err) {
> -		dev_err(&pdev->dev, "failed to enable pclk (%u)\n", err);
> +		dev_err(&pdev->dev, "failed to enable pclk (%d)\n", err);
>   		return err;
>   	}
>   
> 


-- 
Nicolas Ferre