diff --git a/drivers/video/rockchip/mpp/mpp_iommu.c b/drivers/video/rockchip/mpp/mpp_iommu.c
index 0b9c8483801d..dd6a7473480d 100644
--- a/drivers/video/rockchip/mpp/mpp_iommu.c
+++ b/drivers/video/rockchip/mpp/mpp_iommu.c
@@ -589,6 +589,9 @@ int mpp_iommu_dev_activate(struct mpp_iommu_info *info, struct mpp_dev *dev)
 	unsigned long flags;
 	int ret = 0;
 
+	if (!info)
+		return 0;
+
 	spin_lock_irqsave(&info->dev_lock, flags);
 
 	if (info->dev_active || !dev) {
@@ -614,6 +617,9 @@ int mpp_iommu_dev_deactivate(struct mpp_iommu_info *info, struct mpp_dev *dev)
 {
 	unsigned long flags;
 
+	if (!info)
+		return 0;
+
 	spin_lock_irqsave(&info->dev_lock, flags);
 
 	if (info->dev_active != dev)