TD_STATUS_ACTIVE
descriptor->status &= ~TD_STATUS_ACTIVE;
current->descriptors[i]->status &= ~TD_STATUS_ACTIVE;
if (status & TD_STATUS_ACTIVE) {
result->status = TD_STATUS_ACTIVE;
while (current && (current->status & TD_STATUS_ACTIVE) == 0) {
while (current && (current->status & TD_STATUS_ACTIVE) == 0) {
if (status & TD_STATUS_ACTIVE)
descriptor->status &= ~TD_STATUS_ACTIVE;