diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index b3f0e2018c6238a67a2b1cda397c3dab00689755..efa96263b81b3053d3dc1ec460e019ffb841ec64 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -616,7 +616,10 @@ static inline void dev_iommu_fwspec_set(struct device *dev,
 
 static inline void *dev_iommu_priv_get(struct device *dev)
 {
-	return dev->iommu->priv;
+	if (dev->iommu)
+		return dev->iommu->priv;
+	else
+		return NULL;
 }
 
 static inline void dev_iommu_priv_set(struct device *dev, void *priv)