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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-14 15:01:02 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-14 15:01:02 -0800
commitecdca043ebe8e3172e0400d0966831e2e60870a0 (patch)
treec1433e2399f544970e1f9ae7a469dbc9172c8e9f /net/ipv4/tcp_illinois.c
parentbb3215e97bb1ab917ed858322a9399fb32e69e49 (diff)
parent77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff)
downloadop-kernel-dev-ecdca043ebe8e3172e0400d0966831e2e60870a0.zip
op-kernel-dev-ecdca043ebe8e3172e0400d0966831e2e60870a0.tar.gz
Merge 3.7-rc5 into driver-core-next
Diffstat (limited to 'net/ipv4/tcp_illinois.c')
-rw-r--r--net/ipv4/tcp_illinois.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
index 813b43a..834857f 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);
}
}
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