diff options
| -rw-r--r-- | net/ipv4/tcp_output.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 4f8a8a17891..e5130a7fe18 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1321,12 +1321,7 @@ static int tcp_mtu_probe(struct sock *sk) } /* Have enough data in the send queue to probe? */ - len = 0; - if ((skb = tcp_send_head(sk)) == NULL) - return -1; - while ((len += skb->len) < size_needed && !tcp_skb_is_last(sk, skb)) - skb = tcp_write_queue_next(sk, skb); - if (len < size_needed) + if (tp->write_seq - tp->snd_nxt < size_needed) return -1; if (tp->snd_wnd < size_needed) |