[PATCH] staging:pci-mt7621: Use PTR_ERR_OR_ZERO to replace the open code

[zhong jiang]

PTR_ERR_OR_ZERO has implemented the if(IS_ERR(...)) + PTR_ERR, So
just replace them rather than duplicating its implement.

Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
 drivers/staging/mt7621-pci/pci-mt7621.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c 
b/drivers/staging/mt7621-pci/pci-mt7621.c
index a49e279..9a8ff1d 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -403,10 +403,8 @@ 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,
-- 
1.7.12.4