diff options
Diffstat (limited to 'net/mptcp/subflow.c')
| -rw-r--r-- | net/mptcp/subflow.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 528351e26371..9fb3eb87a20f 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -529,6 +529,9 @@ static void subflow_write_space(struct sock *sk) sk_stream_write_space(sk); if (parent && sk_stream_is_writeable(sk)) { + set_bit(MPTCP_SEND_SPACE, &mptcp_sk(parent)->flags); + smp_mb__after_atomic(); + /* set SEND_SPACE before sk_stream_write_space clears NOSPACE */ sk_stream_write_space(parent); } } |