diff options
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 590bde993946..3ce630aa4fde 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -961,6 +961,13 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv, user_srf = container_of(base, struct vmw_user_surface, prime.base); + /* Error out if we are unauthenticated primary */ + if (drm_is_primary_client(file_priv) && + !file_priv->authenticated) { + ret = -EACCES; + goto out_bad_resource; + } + /* * Make sure the surface creator has the same * authenticating master, or is already registered with us. |