Commit 5c2d0218 authored Jun 22, 2017 by Arvind Yadav Committed by Will Deacon Jun 23, 2017

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>

parent ebdd13c9

drivers/iommu/arm-smmu-v3.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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) {