From: kernel test robot <lkp(a)intel.com&gt; drivers/phy/ingenic/phy-ingenic-usb.c:348:1-3: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci CC: 周琰杰 (Zhou Yanjie) <zhouyanjie(a)wanyeetech.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- url: https://github.com/0day-ci/linux/commits/Zhou-Yanjie/Use-the-generic-PHY-... base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next phy-ingenic-usb.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) --- a/drivers/phy/ingenic/phy-ingenic-usb.c +++ b/drivers/phy/ingenic/phy-ingenic-usb.c @@ -345,10 +345,7 @@ static int ingenic_usb_phy_probe(struct phy_set_drvdata(priv->phy, priv); provider = devm_of_phy_provider_register(priv->dev, of_phy_simple_xlate); - if (IS_ERR(provider)) - return PTR_ERR(provider); - - return 0; + return PTR_ERR_OR_ZERO(provider); } static const struct of_device_id ingenic_usb_phy_of_matches[] = {