diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index b95a6f8db6ff99f114eec6db93a0294fc81adf8b..9bbcfe3b0bb1245d6d5075ab0523811b6bd92364 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -614,7 +614,10 @@ 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)