DAPL_SP_STATE_FREE
sp_ptr->state != DAPL_SP_STATE_FREE) {
sp_ptr->state = DAPL_SP_STATE_FREE;
sp_ptr->state = DAPL_SP_STATE_FREE;
sp_ptr->state = DAPL_SP_STATE_FREE;
sp_ptr->state = DAPL_SP_STATE_FREE;
sp_ptr->state = DAPL_SP_STATE_FREE;