netdev - [PATCH net-next] netem: fix build error on 32bit arches

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Message-ID: <1322731934.2335.12.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
Date:	Thu, 01 Dec 2011 10:32:14 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hagen Paul Pfeifer <hagen@...u.net>,
	David Miller <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>
Subject: [PATCH net-next] netem: fix build error on 32bit arches

ERROR: "__udivdi3" [net/sched/sch_netem.ko] undefined!

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
---
 net/sched/sch_netem.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 9b7af9f..3bfd733 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -301,7 +301,10 @@ static psched_tdiff_t tabledist(psched_tdiff_t mu, psched_tdiff_t sigma,
 
 static psched_time_t packet_len_2_sched_time(unsigned int len, u32 rate)
 {
-	return PSCHED_NS2TICKS((u64)len * NSEC_PER_SEC / rate);
+	u64 ticks = (u64)len * NSEC_PER_SEC;
+
+	do_div(ticks, rate);
+	return PSCHED_NS2TICKS(ticks);
 }
 
 /*


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