previous patches made sure we only call into this function when these prerequisites are met, so no need to wait on the subflow socket anymore.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/7 Acked-by: Paolo Abeni <pab...@redhat.com> Signed-off-by: Florian Westphal <f...@strlen.de> --- net/mptcp/protocol.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index a11e51222e59..bc950cf818f7 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -510,20 +510,6 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, * fooled into a warning if we don't init here */ pfrag = sk_page_frag(sk); - while ((!retransmission && !mptcp_page_frag_refill(ssk, pfrag)) || - !mptcp_ext_cache_refill(msk)) { - ret = sk_stream_wait_memory(ssk, timeo); - if (ret) - return ret; - - /* if sk_stream_wait_memory() sleeps snd_una can change - * significantly, refresh the rtx queue - */ - mptcp_clean_una(sk); - - if (unlikely(__mptcp_needs_tcp_fallback(msk))) - return 0; - } if (!retransmission) { write_seq = &msk->write_seq; page = pfrag->page; -- 2.26.2
