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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2016-02-06 22:24:19 +0800
committerRalf Baechle <ralf@linux-mips.org>2016-02-10 10:01:44 +0100
commitaaa0bf22cb84c7b29c814f3fcf3951c747b904d6 (patch)
tree94f6ede10c73514b2fa695a2c5fb8259736b69ed /arch/mips
parent3af5a67c86a30f8cd8bfd6202709be21cedd2756 (diff)
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/mips')
-rw-r--r--arch/mips/pci/pci-mt7620.c8
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;