tmp = prev->m_frontend->m_data[LINKED_PREV_PTR];
if (tmp == -1 && sec_fe != this && !prev->m_inuse) {
int state = sec_fe->m_state;
tmp = prev->m_frontend->m_data[LINKED_PREV_PTR];
if (tmp == -1 && sec_fe != this && !prev->m_inuse) {
int state = sec_fe->m_state;