net: sched: integer overflow fix

[ Upstream commit d2fe85da52e89b8012ffad010ef352a964725d5f ]

Fixed integer overflow in function htb_dequeue

Signed-off-by: Stefan Hasko <hasko.stevo@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 29b942ce9e824866c4d74de75a38c652f1999cb3..f08b9166119bf9f1e7c81245e545fd75087f36de 100644 (file)
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -876,7 +876,7 @@ 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 */