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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-11-15 10:42:30 +0100
committerWill Deacon <will.deacon@arm.com>2013-12-06 17:44:25 +0100
commit89a23cde75a7f0b3d8b0c156964eca0c23d2f1eb (patch)
tree968276534424011d48833a9fc24cf1397deb38c9 /drivers/iommu
parentiommu/arm-smmu: remove potential NULL dereference on mapping path (diff)
downloadlinux-89a23cde75a7f0b3d8b0c156964eca0c23d2f1eb.tar.xz
linux-89a23cde75a7f0b3d8b0c156964eca0c23d2f1eb.zip
iommu/arm-smmu: fix error return code in arm_smmu_device_dt_probe()
Fix to return -ENODEV instead of 0 when context interrupt number does no match in arm_smmu_device_dt_probe(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/arm-smmu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index ef77e3dd6dd2..e46a88700b68 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1852,6 +1852,7 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev)
dev_err(dev,
"found only %d context interrupt(s) but %d required\n",
smmu->num_context_irqs, smmu->num_context_banks);
+ err = -ENODEV;
goto out_put_parent;
}