linux-kernel - Re: [PATCH v2] pata_imx: print error message on platform_get

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Message-ID: <d0a70345-1d28-2218-098f-bdd700530f10@cogentembedded.com>
Date:   Sat, 1 Jul 2017 00:37:36 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Tejun Heo <tj@...nel.org>
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] pata_imx: print error message on platform_get_irq
 failure

On 07/01/2017 12:30 AM, Gustavo A. R. Silva wrote:

> Print error message on platform_get_irq failure before return.
>
> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
> ---
> Changes in v2:
>  Print the return value of platform_get_irq on failure.
>
>  drivers/ata/pata_imx.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
> index d4caa23..66fb1ab 100644
> --- a/drivers/ata/pata_imx.c
> +++ b/drivers/ata/pata_imx.c
> @@ -132,9 +132,10 @@ static int pata_imx_probe(struct platform_device *pdev)
>  	int ret;
>
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0)
> +	if (irq < 0) {
> +		dev_err(&pdev->dev, "failed to get IRQ: %d\n", irq);
>  		return irq;
> -
> +	}

    Removing empty line here doesn't seem a good idea...

>  	priv = devm_kzalloc(&pdev->dev,
>  				sizeof(struct pata_imx_priv), GFP_KERNEL);
>  	if (!priv)

MBR, Sergei