QH_STATE_ACTIVE
if (qh->state != QH_STATE_ACTIVE)
if (qh->state != QH_STATE_ACTIVE) {
if (qh->state == QH_STATE_ACTIVE) {
qh->state = QH_STATE_ACTIVE;
if (qh->state == QH_STATE_ACTIVE)
qh->state = QH_STATE_ACTIVE;
WARN_ON(qh->state != QH_STATE_ACTIVE || !qh->udev);
WARN_ON(qh->state == QH_STATE_ACTIVE);
if (qh->state != QH_STATE_ACTIVE)