Re: [PATCH gpio] gpio-amd8111: check ioport_map return value

[Varka Bhadram <varkabhadram@xxxxxxxxx>]

Ping ..?

On Mon, Dec 29, 2014 at 2:09 PM, Varka Bhadram <varkabhadram@xxxxxxxxx> wrote:
> ioport_map() may fail. Its safe to check the return value.
>
> Signed-off-by: Varka Bhadram <varkab@xxxxxxx>
> ---
>  drivers/gpio/gpio-amd8111.c |    5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpio/gpio-amd8111.c b/drivers/gpio/gpio-amd8111.c
> index 3c09f1a6..a0585c3 100644
> --- a/drivers/gpio/gpio-amd8111.c
> +++ b/drivers/gpio/gpio-amd8111.c
> @@ -213,6 +213,11 @@ found:
>                 goto out;
>         }
>         gp.pm = ioport_map(gp.pmbase + PMBASE_OFFSET, PMBASE_SIZE);
> +       if (!gp.pm) {
> +               dev_err(&pdev->dev, "Couldn't map io port into io memory\n");
> +               err = -ENOMEM;
> +               goto out;
> +       }
>         gp.pdev = pdev;
>         gp.chip.dev = &pdev->dev;
>
> --
> 1.7.9.5
>



-- 
Thanks and Regards,
Varka Bhadram.
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