HCI_CONN_FLUSH_KEY
if (test_and_clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
if (test_and_clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
if (test_and_clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
persistent = !test_bit(HCI_CONN_FLUSH_KEY,