MPTCP_WORK_CLOSE_SUBFLOW
set_bit(MPTCP_WORK_CLOSE_SUBFLOW, &msk->flags);
if (test_and_clear_bit(MPTCP_WORK_CLOSE_SUBFLOW, &msk->flags))
if (!test_and_set_bit(MPTCP_WORK_CLOSE_SUBFLOW, &msk->flags))
if (!release && !test_and_set_bit(MPTCP_WORK_CLOSE_SUBFLOW,
if (!test_and_set_bit(MPTCP_WORK_CLOSE_SUBFLOW, &mptcp_sk(sk)->flags))