Even if device_create_file() returns error code, rcar_gen3_phy_usb2_probe() will return zero because the "ret" is variable shadowing. Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <error27@xxxxxxxxx> Closes: https://lore.kernel.org/r/202312161021.gOLDl48K-lkp@xxxxxxxxx/ Fixes: 441a681b8843 ("phy: rcar-gen3-usb2: fix implementation for runtime PM") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> --- drivers/phy/renesas/phy-rcar-gen3-usb2.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index e53eace7c91e..6387c0d34c55 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -673,8 +673,6 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) channel->irq = platform_get_irq_optional(pdev, 0); channel->dr_mode = rcar_gen3_get_dr_mode(dev->of_node); if (channel->dr_mode != USB_DR_MODE_UNKNOWN) { - int ret; - channel->is_otg_channel = true; channel->uses_otg_pins = !of_property_read_bool(dev->of_node, "renesas,no-otg-pins"); @@ -738,8 +736,6 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) ret = PTR_ERR(provider); goto error; } else if (channel->is_otg_channel) { - int ret; - ret = device_create_file(dev, &dev_attr_role); if (ret < 0) goto error; -- 2.25.1