[PATCH] PCI: dwc: kirin: Use PTR_ERR_OR_ZERO

[Sudip Mukherjee]

Coccinelle suggested using PTR_ERR_OR_ZERO() and looking at the code,
we can use PTR_ERR_OR_ZERO() instead of checking IS_ERR() and then
doing 'return 0'.

Signed-off-by: Sudip Mukherjee <sudipm.mukher...@gmail.com>
---
 drivers/pci/controller/dwc/pcie-kirin.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-kirin.c 
b/drivers/pci/controller/dwc/pcie-kirin.c
index d0a6a2dee6f5..cf1379a8b950 100644
--- a/drivers/pci/controller/dwc/pcie-kirin.c
+++ b/drivers/pci/controller/dwc/pcie-kirin.c
@@ -138,10 +138,8 @@ static long kirin_pcie_get_clk(struct kirin_pcie 
*kirin_pcie,
                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,
@@ -169,10 +167,8 @@ static long kirin_pcie_get_resource(struct kirin_pcie 
*kirin_pcie,
 
        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)
-- 
2.11.0