linux-kernel - [PATCH 184/222] net: sched: integer overflow fix

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Date:	Wed, 16 Jan 2013 13:56:24 -0200
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Stefan Hasko <hasko.stevo@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
Subject: [PATCH 184/222] net: sched: integer overflow fix

3.5.7.3 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stefan Hasko <hasko.stevo@...il.com>

commit d2fe85da52e89b8012ffad010ef352a964725d5f upstream.

Fixed integer overflow in function htb_dequeue

Signed-off-by: Stefan Hasko <hasko.stevo@...il.com>
Acked-by: Eric Dumazet <edumazet@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
---
 net/sched/sch_htb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 9d75b77..e9ea2f3 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -874,7 +874,7 @@ ok:
 	q->now = psched_get_time();
 	start_at = jiffies;
 
-	next_event = q->now + 5 * PSCHED_TICKS_PER_SEC;
+	next_event = q->now + 5LLU * PSCHED_TICKS_PER_SEC;
 
 	for (level = 0; level < TC_HTB_MAXDEPTH; level++) {
 		/* common case optimization - skip event handler quickly */
-- 
1.7.9.5

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