diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2012-11-07 17:59:14 -0600 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2012-11-07 17:59:14 -0600 |
| commit | d3ad4a60a1b1448e59914eebefe1ccc8e64f9e2f (patch) | |
| tree | f0862d1905a599cdbad86fcc8816d86a6f33459f /net/ipv4/tcp_illinois.c | |
| parent | e095c0d122c09efabe7d4136ce77f72c636c4879 (diff) | |
| parent | e5c5f2adeb370559f4b221d57214db85858b786a (diff) | |
Merge remote-tracking branch 'arm-soc/devel/debug_ll_init' into debug_ll
Diffstat (limited to 'net/ipv4/tcp_illinois.c')
| -rw-r--r-- | net/ipv4/tcp_illinois.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c index 813b43a76fec..834857f3c871 100644 --- a/net/ipv4/tcp_illinois.c +++ b/net/ipv4/tcp_illinois.c @@ -313,11 +313,13 @@ static void tcp_illinois_info(struct sock *sk, u32 ext, .tcpv_rttcnt = ca->cnt_rtt, .tcpv_minrtt = ca->base_rtt, }; - u64 t = ca->sum_rtt; - do_div(t, ca->cnt_rtt); - info.tcpv_rtt = t; + if (info.tcpv_rttcnt > 0) { + u64 t = ca->sum_rtt; + do_div(t, info.tcpv_rttcnt); + info.tcpv_rtt = t; + } nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info); } } |