diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 748e5e4..0a97a6d 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2076,7 +2076,7 @@
 	spin_unlock(&iommu->lock);
 	spin_unlock_irqrestore(&device_domain_lock, flags);
 
-	return 0;
+	return ret;
 }
 
 struct domain_context_mapping_data {