diff options
Diffstat (limited to 'net/mptcp/sched.c')
| -rw-r--r-- | net/mptcp/sched.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/mptcp/sched.c b/net/mptcp/sched.c index 884606686cfe..078b5d44978d 100644 --- a/net/mptcp/sched.c +++ b/net/mptcp/sched.c @@ -99,6 +99,19 @@ int mptcp_sched_get_send(struct mptcp_sock *msk) struct mptcp_subflow_context *subflow; struct mptcp_sched_data data; + msk_owned_by_me(msk); + + /* the following check is moved out of mptcp_subflow_get_send */ + if (__mptcp_check_fallback(msk)) { + if (msk->first && + __tcp_can_send(msk->first) && + sk_stream_memory_free(msk->first)) { + mptcp_subflow_set_scheduled(mptcp_subflow_ctx(msk->first), true); + return 0; + } + return -EINVAL; + } + mptcp_for_each_subflow(msk, subflow) { if (READ_ONCE(subflow->scheduled)) return 0; |