diff options
| -rw-r--r-- | net/mptcp/protocol.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index d95fc113d317..e3f09467b36b 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3208,7 +3208,16 @@ static int mptcp_disconnect(struct sock *sk, int flags) * subflow */ mptcp_destroy_common(msk, MPTCP_CF_FASTCLOSE); + + /* The first subflow is already in TCP_CLOSE status, the following + * can't overlap with a fallback anymore + */ + spin_lock_bh(&msk->fallback_lock); + msk->allow_subflows = true; + msk->allow_infinite_fallback = true; WRITE_ONCE(msk->flags, 0); + spin_unlock_bh(&msk->fallback_lock); + msk->cb_flags = 0; msk->recovery = false; msk->can_ack = false; |