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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2016-02-06 15:24:19 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-02-10 10:01:44 +0100 |
| commit | aaa0bf22cb84c7b29c814f3fcf3951c747b904d6 (patch) | |
| tree | 94f6ede10c73514b2fa695a2c5fb8259736b69ed /arch | |
| parent | MIPS: Fix early CM probing (diff) | |
| download | linux-aaa0bf22cb84c7b29c814f3fcf3951c747b904d6.tar.xz linux-aaa0bf22cb84c7b29c814f3fcf3951c747b904d6.zip | |
MIPS: pci-mt7620: Fix return value check in mt7620_pci_probe()
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/pci/pci-mt7620.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/pci/pci-mt7620.c b/arch/mips/pci/pci-mt7620.c index a009ee458934..1ae932c2d78b 100644 --- a/arch/mips/pci/pci-mt7620.c +++ b/arch/mips/pci/pci-mt7620.c @@ -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; |