The platform_get_irq_byname() function returns -1 if an error occurs. zero or positive number on success. platform_get_irq_byname() error checking for zero is not correct.
Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com> --- drivers/power/supply/cpcap-battery.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c index ee71a2b..98ba078 100644 --- a/drivers/power/supply/cpcap-battery.c +++ b/drivers/power/supply/cpcap-battery.c @@ -586,8 +586,8 @@ static int cpcap_battery_init_irq(struct platform_device *pdev, int irq, error; irq = platform_get_irq_byname(pdev, name); - if (!irq) - return -ENODEV; + if (irq < 0) + return irq; error = devm_request_threaded_irq(ddata->dev, irq, NULL, cpcap_battery_irq_thread, -- 2.7.4