From: Nguyen Dinh Phi <phind.uet@xxxxxxxxx> Date: Sat, 3 Jul 2021 17:34:17 +0800 > diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c > index 7d5e59f688de..855ada2be25e 100644 > --- a/net/ipv4/tcp_input.c > +++ b/net/ipv4/tcp_input.c > @@ -5922,7 +5922,6 @@ void tcp_init_transfer(struct sock *sk, int bpf_op, struct sk_buff *skb) > tp->snd_cwnd = tcp_init_cwnd(tp, __sk_dst_get(sk)); > tp->snd_cwnd_stamp = tcp_jiffies32; > > - icsk->icsk_ca_initialized = 0; > bpf_skops_established(sk, bpf_op, skb); > if (!icsk->icsk_ca_initialized) > tcp_init_congestion_control(sk); Don't you have to make the tcp_init_congestion_control() call unconditional now?