From: kbuild test robot <fengguang.wu@xxxxxxxxx> drivers/pci/controller/dwc/pci-meson.c:190:1-3: WARNING: PTR_ERR_OR_ZERO can be used drivers/pci/controller/dwc/pci-meson.c:267:1-3: 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: 32cd91ffa92f ("PCI: amlogic: Add the Amlogic Meson PCIe controller driver") CC: Yue Wang <yue.wang@xxxxxxxxxxx> Signed-off-by: kbuild test robot <fengguang.wu@xxxxxxxxx> --- url: https://github.com/0day-ci/linux/commits/Hanjie-Lin/add-the-Amlogic-Meson-PCIe-controller-driver/20181009-001429 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next pci-meson.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) --- a/drivers/pci/controller/dwc/pci-meson.c +++ b/drivers/pci/controller/dwc/pci-meson.c @@ -187,10 +187,7 @@ static int meson_pcie_get_mems(struct pl /* Meson SoC has two PCI controllers use same phy register*/ mp->mem_res.phy_base = meson_pcie_get_mem_shared(pdev, mp, "phy"); - if (IS_ERR(mp->mem_res.phy_base)) - return PTR_ERR(mp->mem_res.phy_base); - - return 0; + return PTR_ERR_OR_ZERO(mp->mem_res.phy_base); } static void meson_pcie_power_on(struct meson_pcie *mp) @@ -264,10 +261,7 @@ static int meson_pcie_probe_clocks(struc return PTR_ERR(res->general_clk); res->clk = meson_pcie_probe_clock(dev, "pcie", 0); - if (IS_ERR(res->clk)) - return PTR_ERR(res->clk); - - return 0; + return PTR_ERR_OR_ZERO(res->clk); } static inline void meson_elb_writel(struct meson_pcie *mp, u32 val, u32 reg)