Re: [PATCH 1/6 v3] mmc: meson-gx-mmc: Fix platform_get_irq's error checking

From: Ulf Hansson
Date: Fri Dec 15 2017 - 04:17:48 EST


On 19 November 2017 at 05:52, Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> wrote:
> The platform_get_irq() function returns negative if an error occurs.
> zero or positive number on success. platform_get_irq() error checking
> for zero is not correct.
>
> 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 irq.
>
> drivers/mmc/host/meson-gx-mmc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index e0862d3..32a6a22 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -1208,7 +1208,7 @@ static int meson_mmc_probe(struct platform_device *pdev)
> }
>
> irq = platform_get_irq(pdev, 0);
> - if (!irq) {
> + if (irq <= 0) {
> dev_err(&pdev->dev, "failed to get interrupt resource.\n");
> ret = -EINVAL;
> goto free_host;
> --
> 2.7.4
>