diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 5ffc17a8c00d8..7514be16440b8 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3317,7 +3317,7 @@ static __poll_t mptcp_check_writeable(struct mptcp_sock *msk) struct sock *sk = (struct sock *)msk; if (unlikely(sk->sk_shutdown & SEND_SHUTDOWN)) - return 0; + return EPOLLOUT | EPOLLWRNORM; if (sk_stream_is_writeable(sk)) return EPOLLOUT | EPOLLWRNORM; @@ -3350,6 +3350,8 @@ static __poll_t mptcp_poll(struct file *file, struct socket *sock, mask |= mptcp_check_readable(msk); mask |= mptcp_check_writeable(msk); } + if (sk->sk_shutdown == SHUTDOWN_MASK || state == TCP_CLOSE) + mask |= EPOLLHUP; if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= EPOLLIN | EPOLLRDNORM | EPOLLRDHUP;