diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 46e78993b69c..ad4c3b908cd8 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -554,6 +554,9 @@ static void *get_vaddr(struct drm_gem_object *obj, unsigned madv)
 	struct msm_gem_object *msm_obj = to_msm_bo(obj);
 	int ret = 0;
 
+	if (obj->import_attach)
+		return ERR_PTR(-ENODEV);
+
 	mutex_lock(&msm_obj->lock);
 
 	if (WARN_ON(msm_obj->madv > madv)) {
@@ -907,8 +910,7 @@ static void free_object(struct msm_gem_object *msm_obj)
 	put_iova(obj);
 
 	if (obj->import_attach) {
-		if (msm_obj->vaddr)
-			dma_buf_vunmap(obj->import_attach->dmabuf, msm_obj->vaddr);
+		WARN_ON(msm_obj->vaddr);
 
 		/* Don't drop the pages for imported dmabuf, as they are not
 		 * ours, just free the array we allocated: