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authorTony Lindgren <tony@atomide.com>2012-11-09 14:58:01 -0800
committerTony Lindgren <tony@atomide.com>2012-11-09 14:58:01 -0800
commitedf8dde393f879fc2d8c22d4bc01ff8d37b80e1a (patch)
tree61425adc8b2059a9c12a3ce66ba7361fea1b0bb3 /net/ipv4/tcp_illinois.c
parent6ba54ab4a49bbad736b0254aa6bdf0cb83013815 (diff)
parent3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff)
Merge branch 'linus' into omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3
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 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);
}
}