diff options
| author | Otavio Salvador <otavio@ossystems.com.br> | 2017-12-13 18:16:19 -0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-12-21 15:01:33 +0100 |
| commit | fb2d2dee504a963efdcb76517b5cdf25444cf535 (patch) | |
| tree | f1b58594ba11c6c41c3acddde35890f68c42ea9e /net/ipv4/tcp_lp.c | |
| parent | effee16e4c0cc8b570d372e33633e9f9bc8359c7 (diff) | |
| parent | d9f7e5584f0e3e34a2c14825657a6b31e7184171 (diff) | |
Merge pull request #21 from falstaff84/4.9-1.0.x-imx-fixes-stable-merge
4.9-1.0.x-imx stable 4.9.67 merge
Diffstat (limited to 'net/ipv4/tcp_lp.c')
| -rw-r--r-- | net/ipv4/tcp_lp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c index c67ece1390c2..7d86fc505397 100644 --- a/net/ipv4/tcp_lp.c +++ b/net/ipv4/tcp_lp.c @@ -264,13 +264,15 @@ static void tcp_lp_pkts_acked(struct sock *sk, const struct ack_sample *sample) { struct tcp_sock *tp = tcp_sk(sk); struct lp *lp = inet_csk_ca(sk); + u32 delta; if (sample->rtt_us > 0) tcp_lp_rtt_sample(sk, sample->rtt_us); /* calc inference */ - if (tcp_time_stamp > tp->rx_opt.rcv_tsecr) - lp->inference = 3 * (tcp_time_stamp - tp->rx_opt.rcv_tsecr); + delta = tcp_time_stamp - tp->rx_opt.rcv_tsecr; + if ((s32)delta > 0) + lp->inference = 3 * delta; /* test if within inference */ if (lp->last_drop && (tcp_time_stamp - lp->last_drop < lp->inference)) |