diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index e8f13dcebbde..23a531595835 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -390,7 +390,7 @@ int iommu_mock_device_add(struct device *dev, struct iommu_device *iommu)
 
 	rc = device_add(dev);
 	if (rc)
-		iommu_fwspec_free(dev);
+		dev_iommu_free(dev);
 	return rc;
 }
 EXPORT_SYMBOL_GPL(iommu_mock_device_add);