+static int
+_tdm_client_vblank_wait_list_validation_check(tdm_private_client_vblank *private_vblank)
+{
+ if (private_vblank->wait_list.next == NULL || private_vblank->wait_list.prev == NULL) {
+ TDM_ERR("vblank(%p) wait_list broken. prev(%p), next(%p) pid(%d)",
+ private_vblank, private_vblank->wait_list.prev, private_vblank->wait_list.next, getpid());
+ }
+
+ return 0;
+}
+