diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index cbfe13d5f423..3b76bce769dd 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1746,6 +1746,8 @@ int tcp_use_frto(struct sock *sk) return 0; skb = tcp_write_queue_head(sk); + if (tcp_skb_is_last(sk, skb)) + return 1; skb = tcp_write_queue_next(sk, skb); /* Skips head */ tcp_for_write_queue_from(skb, sk) { if (skb == tcp_send_head(sk))