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SubjectRe: [PATCH v2] pata_imx: print error message on platform_get_irq failure
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Hello Gustavo,

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@embeddedor.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;
> -
> + }
> priv = devm_kzalloc(&pdev->dev,
> sizeof(struct pata_imx_priv), GFP_KERNEL);
> if (!priv)
>

this patch is wrong, I've explained why at https://lkml.org/lkml/2017/6/30/144

Please handle -EPROBE_DEFER case, when your change adds the second (redundant)
error level message printed to the kernel log.

--
With best wishes,
Vladimir

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