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authorWei Yongjun <[email protected]>2013-11-19 11:40:28 +0800
committerBjorn Helgaas <[email protected]>2013-12-07 15:44:32 -0700
commitc176d1c71bd18238e5d77d6acc6b991aa6a17f3b (patch)
treef6e2fa1335ece088d69b375632f9ea2f59026782
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
PCI: rcar: Fix rcar_pci_probe() return value check
In case of error, the function devm_ioremap_resource() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Signed-off-by: Wei Yongjun <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Reviewed-by: Jingoo Han <[email protected]>
-rw-r--r--drivers/pci/host/pci-rcar-gen2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index cbaa5c4397e3..96d118242ae2 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -276,8 +276,8 @@ static int __init rcar_pci_probe(struct platform_device *pdev)
cfg_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg = devm_ioremap_resource(&pdev->dev, cfg_res);
- if (!reg)
- return -ENODEV;
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (!mem_res || !mem_res->start)