diff options
| author | Arvind Yadav | 2017-06-22 12:57:42 +0530 |
|---|---|---|
| committer | Will Deacon | 2017-06-23 17:57:58 +0100 |
| commit | 5c2d0218290afa3c335f38583bf4f8e8adad4c76 (patch) | |
| tree | fe190911a4f93c51b00f21d6c606be614597ef90 /drivers/iommu | |
| parent | ebdd13c93f8e878afcdba642f48cd1bd85619e2a (diff) | |
iommu: arm-smmu: Handle return of iommu_device_register.
iommu_device_register returns an error code and, although it currently
never fails, we should check its return value anyway.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
[will: adjusted to follow arm-smmu.c]
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/arm-smmu-v3.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 0fd09745822f..029fe0cffee7 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -2744,6 +2744,10 @@ static int arm_smmu_device_probe(struct platform_device *pdev) iommu_device_set_fwnode(&smmu->iommu, dev->fwnode); ret = iommu_device_register(&smmu->iommu); + if (ret) { + dev_err(dev, "Failed to register iommu\n"); + return ret; + } #ifdef CONFIG_PCI if (pci_bus_type.iommu_ops != &arm_smmu_ops) { |