If we return freed vm, nouveau_drm_open will happily call nouveau_cli_destroy, which will try to free it again. Reported-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>