From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 30 Nov 2011 23:32:14 +0000 (+0000)
Subject: netem: fix build error on 32bit arches
X-Git-Tag: firefly_0821_release~3680^2~3834^2~387
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fc33cc72423ed3474cd51bc8bd7c1cdc22a78e1a;p=firefly-linux-kernel-4.4.55.git

netem: fix build error on 32bit arches

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

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Hagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 9b7af9f1272f..3bfd73344f76 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);
 }
 
 /*