[patch 51/69] NET_SCHED: prio qdisc boundary condition

[Chris Wright]

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

From: Jamal Hadi Salim <hadi@xxxxxxxxxx>

This fixes an out-of-boundary condition when the classified
band equals q->bands. Caught by Alexey

Signed-off-by: Jamal Hadi Salim <hadi@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>

---
 net/sched/sch_prio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.21.1.orig/net/sched/sch_prio.c
+++ linux-2.6.21.1/net/sched/sch_prio.c
@@ -74,7 +74,7 @@ prio_classify(struct sk_buff *skb, struc
 		band = res.classid;
 	}
 	band = TC_H_MIN(band) - 1;
-	if (band > q->bands)
+	if (band >= q->bands)
 		return q->queues[q->prio2band[0]];
 
 	return q->queues[band];

-- 
-
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