1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index f1a55d1888cb..11af4492b4be 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -223,6 +223,8 @@ static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp)
 {
         struct amdgpu_bo *rbo = container_of(bo, struct amdgpu_bo, tbo);
 
+        if (amdgpu_ttm_tt_get_usermm(bo->ttm))
+                return -EPERM;
         return drm_vma_node_verify_access(&rbo->gem_base.vma_node, filp);
 }
 
@@ -622,7 +624,7 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm)
                         set_page_dirty(page);
 
                 mark_page_accessed(page);
-                page_cache_release(page);
+                put_page(page);
         }
 
         sg_free_table(ttm->sg);