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 <[email protected]> --- drivers/gpio/gpio-ftgpio010.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-ftgpio010.c b/drivers/gpio/gpio-ftgpio010.c index 7b3394f..feff86a 100644 --- a/drivers/gpio/gpio-ftgpio010.c +++ b/drivers/gpio/gpio-ftgpio010.c @@ -176,8 +176,8 @@ static int ftgpio_gpio_probe(struct platform_device *pdev) return PTR_ERR(g->base); irq = platform_get_irq(pdev, 0); - if (!irq) - return -EINVAL; + if (irq < 0) + return irq; ret = bgpio_init(&g->gc, dev, 4, g->base + GPIO_DATA_IN, -- 2.7.4
