diff options
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 4723d6964925..8ec92dec321a 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -682,6 +682,9 @@ static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep) */ if (win_dep) return; + /* Do not use this sample if receive queue is not empty. */ + if (tp->rcv_nxt != tp->copied_seq) + return; new_sample = old_sample - (old_sample >> 3) + sample; } |