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MIPS: pci-mt7620: Fix return value check in mt7620_pci_probe()

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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>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12451/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Wei Yongjun 2016-02-06 22:24:19 +08:00 committed by Ralf Baechle
parent 3af5a67c86
commit aaa0bf22cb
1 changed files with 4 additions and 4 deletions
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8
arch/mips/pci/pci-mt7620.c
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@ -297,12 +297,12 @@ static int mt7620_pci_probe(struct platform_device *pdev)
return PTR_ERR(rstpcie0);
bridge_base = devm_ioremap_resource(&pdev->dev, bridge_res);
if (!bridge_base)
return -ENOMEM;
if (IS_ERR(bridge_base))
return PTR_ERR(bridge_base);
pcie_base = devm_ioremap_resource(&pdev->dev, pcie_res);
if (!pcie_base)
return -ENOMEM;
if (IS_ERR(pcie_base))
return PTR_ERR(pcie_base);
iomem_resource.start = 0;
iomem_resource.end = ~0;