Re: [PATCH 3/6 v3] mmc: sdhci-acpi: Handle return value of platform_get_irq

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On 19 November 2017 at 05:52, Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> wrote:
> platform_get_irq() can fail here and we must check its return value.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>

Thanks, applied for next!

Kind regards
Uffe

> ---
> changes in v2 :
>               Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid.
> changes in v3 :
>               return -EINVAL instead of host->irq.
>
>  drivers/mmc/host/sdhci-acpi.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
> index b988997..0d9965b 100644
> --- a/drivers/mmc/host/sdhci-acpi.c
> +++ b/drivers/mmc/host/sdhci-acpi.c
> @@ -566,6 +566,10 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
>         host->hw_name   = "ACPI";
>         host->ops       = &sdhci_acpi_ops_dflt;
>         host->irq       = platform_get_irq(pdev, 0);
> +       if (host->irq <= 0) {
> +               err = -EINVAL;
> +               goto err_free;
> +       }
>
>         host->ioaddr = devm_ioremap_nocache(dev, iomem->start,
>                                             resource_size(iomem));
> --
> 2.7.4
>
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