From: kbuild test robot <fengguang.wu@xxxxxxxxx> drivers/pci/controller/dwc/pcie-kirin.c:141:1-3: WARNING: PTR_ERR_OR_ZERO can be used drivers/pci/controller/dwc/pcie-kirin.c:177:1-3: 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 Fixes: 6e0832fa432e ("PCI: Collect all native drivers under drivers/pci/controller/") CC: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> Signed-off-by: kbuild test robot <fengguang.wu@xxxxxxxxx> --- pcie-kirin.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) --- a/drivers/pci/controller/dwc/pcie-kirin.c +++ b/drivers/pci/controller/dwc/pcie-kirin.c @@ -138,10 +138,7 @@ static long kirin_pcie_get_clk(struct ki return PTR_ERR(kirin_pcie->apb_sys_clk); kirin_pcie->pcie_aclk = devm_clk_get(dev, "pcie_aclk"); - if (IS_ERR(kirin_pcie->pcie_aclk)) - return PTR_ERR(kirin_pcie->pcie_aclk); - - return 0; + return PTR_ERR_OR_ZERO(kirin_pcie->pcie_aclk); } static long kirin_pcie_get_resource(struct kirin_pcie *kirin_pcie, @@ -174,10 +171,7 @@ static long kirin_pcie_get_resource(stru kirin_pcie->sysctrl = syscon_regmap_lookup_by_compatible("hisilicon,hi3660-sctrl"); - if (IS_ERR(kirin_pcie->sysctrl)) - return PTR_ERR(kirin_pcie->sysctrl); - - return 0; + return PTR_ERR_OR_ZERO(kirin_pcie->sysctrl); } static int kirin_pcie_phy_init(struct kirin_pcie *kirin_pcie)