iommu_device_register can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com> --- drivers/iommu/arm-smmu-v3.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 7d3f08a..182eb38 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -2736,6 +2736,8 @@ 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) + return ret; #ifdef CONFIG_PCI if (pci_bus_type.iommu_ops != &arm_smmu_ops) { -- 1.9.1