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charset="utf-8" Increase pm subflows counter when userspace pm creates a new subflow, and decrease the counter when it closes a subflow. Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/329 Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index a02d3cbf2a1b..36e10f6e434a 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -304,6 +304,7 @@ int mptcp_nl_cmd_sf_create(struct sk_buff *skb, struct = genl_info *info) =20 lock_sock(sk); =20 + msk->pm.subflows++; err =3D __mptcp_subflow_connect(sk, &addr_l, &addr_r); =20 release_sock(sk); @@ -424,6 +425,7 @@ int mptcp_nl_cmd_sf_destroy(struct sk_buff *skb, struct= genl_info *info) mptcp_subflow_shutdown(sk, ssk, RCV_SHUTDOWN | SEND_SHUTDOWN); mptcp_close_ssk(sk, ssk, subflow); MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMSUBFLOW); + msk->pm.subflows--; err =3D 0; } else { err =3D -ESRCH; --=20 2.35.3