netdev - [PATCH net-next] sch_hhf: fix comparison of qlen and limit

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Message-ID: <1399625345-6588-1-git-send-email-yangyingliang@huawei.com>
Date:	Fri, 9 May 2014 16:49:05 +0800
From:	Yang Yingliang <yangyingliang@...wei.com>
To:	<netdev@...r.kernel.org>
CC:	<eric.dumazet@...il.com>, <vtlam@...gle.com>,
	<nanditad@...gle.com>, <davem@...emloft.net>
Subject: [PATCH net-next] sch_hhf: fix comparison of qlen and limit

When I use the following command, eth0 cannot send any packets.
 #tc qdisc add dev eth0 root handle 1: hhf limit 1

Because qlen need be smaller than limit, all packets were dropped.
Fix this by qlen *<=* limit.

Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 net/sched/sch_hhf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c
index a9051d0fff52..9544c5caadb9 100644
--- a/net/sched/sch_hhf.c
+++ b/net/sched/sch_hhf.c
@@ -414,7 +414,7 @@ static int hhf_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		}
 		bucket->deficit = weight * q->quantum;
 	}
-	if (++sch->q.qlen < sch->limit)
+	if (++sch->q.qlen <= sch->limit)
 		return NET_XMIT_SUCCESS;
 
 	q->drop_overlimit++;
-- 
1.8.0


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