From: Arvind Yadav arvind.yadav.cs@gmail.com
[ Upstream commit e796cc6a3a9186c92092e2f5929cf8f65b56cf01 ]
The platform_get_irq_byname() function returns negative if an error occurs. zero or positive number on success. platform_get_irq_byname() error checking for zero is not correct.
Fixes: 6d6ce40f63af ("phy: cpcap-usb: Add CPCAP PMIC USB support") Signed-off-by: Arvind Yadav arvind.yadav.cs@gmail.com Reviewed-by: Sebastian Reichel sebastian.reichel@collabora.co.uk Acked-by: Tony Lindgren tony@atomide.com Signed-off-by: Kishon Vijay Abraham I kishon@ti.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/phy/motorola/phy-cpcap-usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/phy/motorola/phy-cpcap-usb.c b/drivers/phy/motorola/phy-cpcap-usb.c index accaaaccb662..6601ad0dfb3a 100644 --- a/drivers/phy/motorola/phy-cpcap-usb.c +++ b/drivers/phy/motorola/phy-cpcap-usb.c @@ -310,7 +310,7 @@ static int cpcap_usb_init_irq(struct platform_device *pdev, int irq, error;
irq = platform_get_irq_byname(pdev, name); - if (!irq) + if (irq < 0) return -ENODEV;
error = devm_request_threaded_irq(ddata->dev, irq, NULL,