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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-11-19 11:40:28 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-12-07 15:44:32 -0700 |
| commit | c176d1c71bd18238e5d77d6acc6b991aa6a17f3b (patch) | |
| tree | f6e2fa1335ece088d69b375632f9ea2f59026782 /drivers/pci/host/pci-rcar-gen2.c | |
| parent | 6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff) | |
| download | op-kernel-dev-c176d1c71bd18238e5d77d6acc6b991aa6a17f3b.zip op-kernel-dev-c176d1c71bd18238e5d77d6acc6b991aa6a17f3b.tar.gz | |
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 <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Diffstat (limited to 'drivers/pci/host/pci-rcar-gen2.c')
| -rw-r--r-- | drivers/pci/host/pci-rcar-gen2.c | 4 |
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 cbaa5c4..96d1182 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) |
