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>
This commit is contained in:
Wei Yongjun 2013-11-19 11:40:28 +08:00 committed by Bjorn Helgaas
parent 6ce4eac1f6
commit c176d1c71b

View File

@ -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)