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authorCatalin Marinas <catalin.marinas@arm.com>2012-11-05 14:58:32 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2012-11-05 14:58:32 +0000
commit3fd9396af83a1e69eaf9ebb573207431d8f265b6 (patch)
treef221f5777695de71ea97423c67438bca1746e26c /net/ipv4/tcp_illinois.c
parente3978cded41dc7b364e74037f56d6bc558c11fd7 (diff)
parent3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff)
downloadop-kernel-dev-3fd9396af83a1e69eaf9ebb573207431d8f265b6.zip
op-kernel-dev-3fd9396af83a1e69eaf9ebb573207431d8f265b6.tar.gz
Merge tag 'v3.7-rc4' into upstream-master
Linux 3.7-rc4
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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