Re: [PATCH 02/10] Input: omap4-keypad: Fix platform_get_irq's error checking

From: Dmitry Torokhov
Date: Fri Nov 17 2017 - 15:31:57 EST


On Sat, Nov 18, 2017 at 12:45:24AM +0530, Arvind Yadav 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>
> ---
> drivers/input/keyboard/omap4-keypad.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
> index 940d38b..8a4b161 100644
> --- a/drivers/input/keyboard/omap4-keypad.c
> +++ b/drivers/input/keyboard/omap4-keypad.c
> @@ -251,7 +251,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
> }
>
> irq = platform_get_irq(pdev, 0);
> - if (!irq) {
> + if (irq < 0) {
> dev_err(&pdev->dev, "no keyboard irq assigned\n");
> return -EINVAL;

return irq

> }
> --
> 2.7.4
>

--
Dmitry