[PATCH] PCI: exynos: simplify with PTR_ERR_OR_ZERO

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Use PTR_ERR_OR_ZERO to make the code a little bit simpler.
This code was detected with the help of Coccinelle.

Signed-off-by: Wei Xu <xuwei5@xxxxxxxxxxxxx>
---
 drivers/pci/controller/dwc/pci-exynos.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c
index 8d82c43..f59f027 100644
--- a/drivers/pci/controller/dwc/pci-exynos.c
+++ b/drivers/pci/controller/dwc/pci-exynos.c
@@ -90,10 +90,7 @@ static int exynos5440_pcie_get_mem_resources(struct platform_device *pdev,
 		return -ENOMEM;
 
 	ep->mem_res->elbi_base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(ep->mem_res->elbi_base))
-		return PTR_ERR(ep->mem_res->elbi_base);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(ep->mem_res->elbi_base);
 }
 
 static int exynos5440_pcie_get_clk_resources(struct exynos_pcie *ep)
-- 
2.8.1




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