diff options
| author | Florian Westphal <[email protected]> | 2021-03-04 21:32:08 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2021-03-04 22:30:13 +0000 |
| commit | e0be4931f3fee2e04dec4013ea4f27ec2db8556f (patch) | |
| tree | 07c76ef5f61cf78bc7702db5f464180d2f8d94a0 /net/mptcp/protocol.c | |
| parent | net: sched: avoid duplicates in classes dump (diff) | |
| download | kernel-e0be4931f3fee2e04dec4013ea4f27ec2db8556f.tar.gz kernel-e0be4931f3fee2e04dec4013ea4f27ec2db8556f.zip | |
mptcp: reset last_snd on subflow close
Send logic caches last active subflow in the msk, so it needs to be
cleared when the cached subflow is closed.
Fixes: d5f49190def61c ("mptcp: allow picking different xmit subflows")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/155
Reported-by: Christoph Paasch <[email protected]>
Acked-by: Paolo Abeni <[email protected]>
Reviewed-by: Matthieu Baerts <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index c5d5e68940ea..7362a536cbc0 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2126,6 +2126,8 @@ static struct sock *mptcp_subflow_get_retrans(const struct mptcp_sock *msk) static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, struct mptcp_subflow_context *subflow) { + struct mptcp_sock *msk = mptcp_sk(sk); + list_del(&subflow->node); lock_sock_nested(ssk, SINGLE_DEPTH_NESTING); @@ -2154,6 +2156,9 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, release_sock(ssk); sock_put(ssk); + + if (ssk == msk->last_snd) + msk->last_snd = NULL; } void mptcp_close_ssk(struct sock *sk, struct sock *ssk, |