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Subject[PATCH 3.11 26/66] netem: update backlog after drop
Date
3.11-stable review patch.  If anyone has any objections, please let me know.

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

From: stephen hemminger <stephen@networkplumber.org>

[ Upstream commit 638a52b801e40ed276ceb69b73579ad99365361a ]

When packet is dropped from rb-tree netem the backlog statistic should
also be updated.

Reported-by: Сергеев Сергей <adron@yapic.net>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/sched/sch_netem.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -523,6 +523,7 @@ static unsigned int netem_drop(struct Qd
skb->next = NULL;
skb->prev = NULL;
len = qdisc_pkt_len(skb);
+ sch->qstats.backlog -= len;
kfree_skb(skb);
}
}

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