Now we can fully restore the subflow status on late tcp fallback Signed-off-by: Paolo Abeni <pabeni(a)redhat.com&gt; --- net/mptcp/protocol.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 71e82fd326c5..14c0bd79a534 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -52,10 +52,10 @@ static struct socket *__mptcp_fallback_to_tcp(struct mptcp_sock *msk, lock_sock(ssk); sock_graft(ssk, sock); if (subflow->conn) { - /* Clearing the 'conn' field will make the ULP-overriden - * ops behaving like plain TCP ones. - * Note: we can't release the ULP data on a live socket. + /* We can't release the ULP data on a live socket, + * restore the tcp callback */ + mptcp_subflow_tcp_fallback(ssk, subflow); sock_put(subflow->conn); subflow->conn = NULL; } -- 2.21.0