4.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: Arvind Yadav <[email protected]> [ 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 <[email protected]> Reviewed-by: Sebastian Reichel <[email protected]> Acked-by: Tony Lindgren <[email protected]> Signed-off-by: Kishon Vijay Abraham I <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/phy/motorola/phy-cpcap-usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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 pla 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,
