Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/staging/mt7621-pci/pci-mt7621.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c 
b/drivers/staging/mt7621-pci/pci-mt7621.c
index ba1f117..d2cb910 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -396,10 +396,7 @@ static int mt7621_pcie_parse_dt(struct mt7621_pcie *pcie)
        }
 
        pcie->base = devm_ioremap_resource(dev, &regs);
-       if (IS_ERR(pcie->base))
-               return PTR_ERR(pcie->base);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(pcie->base);
 }
 
 static int mt7621_pcie_request_resources(struct mt7621_pcie *pcie,



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