diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-11-12 15:26:41 +0100 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-11-12 15:26:41 +0100 |
commit | b68c50d836517cf662145b2e7d5cdf40a38b24f1 (patch) | |
tree | bcd0796a008f640d450dc1b4d27cb414f3828082 /net/ipv4/tcp_illinois.c | |
parent | 5bd09fb0336aa4020b85f13e16a4d21e3f5f70c3 (diff) | |
parent | 84cee34db4d34b9059f4ef66f7d1805e438cc7f3 (diff) |
Merge branch 'lpc32xx/core' of git://git.antcom.de/linux-2.6 into next/soc
Patches from Roland Stigge <stigge@antcom.de>:
Platform topic branch for lpc32xx
* 'lpc32xx/core' of git://git.antcom.de/linux-2.6:
ARM: LPC32xx: Add the motor PWM clock
ARM: LPC32xx: Cleanup irq.c
ARM: LPC32xx: Relocate calls to irq_set_chained_handler()
ARM: LPC32xx: Remove superfluous irq_alloc_descs()
Includes an update to v3.7-rc4
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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 813b43a76fe..834857f3c87 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); } } |