net: fq_codel: Fix off-by-one error
authorVijay Subramanian <subramanian.vijay@gmail.com>
Thu, 28 Mar 2013 13:52:00 +0000 (13:52 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 29 Mar 2013 19:32:23 +0000 (15:32 -0400)
Currently, we hold a max of sch->limit -1 number of packets instead of
sch->limit packets. Fix this off-by-one error.

Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_fq_codel.c

index 4e606fcb2534929a2470e807816ac1089d81b7b2..55786283a3dfe613ee6deac5756b4726a66925ee 100644 (file)
@@ -195,7 +195,7 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
                flow->deficit = q->quantum;
                flow->dropped = 0;
        }
-       if (++sch->q.qlen < sch->limit)
+       if (++sch->q.qlen <= sch->limit)
                return NET_XMIT_SUCCESS;
 
        q->drop_overlimit++;