On Sat, Nov 18, 2017 at 12:45:30AM +0530, Arvind Yadav wrote:
> platform_get_irq() can fail here and we must check its return value.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> ---
> drivers/input/misc/twl4030-pwrbutton.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
> index b307cca..0dcf311 100644
> --- a/drivers/input/misc/twl4030-pwrbutton.c
> +++ b/drivers/input/misc/twl4030-pwrbutton.c
> @@ -58,6 +58,9 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
> int irq = platform_get_irq(pdev, 0);
> int err;
>
> + if (irq < 0)
> + return -ENOMEM;
Why on earth it would translate to ENOMEM? Also, if we do the check I'd
prefer to keep assignment and the check together.
> +
> pwr = devm_input_allocate_device(&pdev->dev);
> if (!pwr) {
> dev_err(&pdev->dev, "Can't allocate power button\n");
> --
> 2.7.4
>
--
Dmitry
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