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[NET_SCHED]: Fix endless loops (part 2): "simple" qdiscs

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Convert the "simple" qdiscs to use qdisc_tree_decrease_qlen() where
necessary:

- all graft operations
- destruction of old child qdiscs in prio, red and tbf change operation
- purging of queue in sfq change operation

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2006-11-29 17:36:20 -08:00
committed by David S. Miller
parent 43effa1e57
commit 5e50da01d0
7 changed files with 22 additions and 10 deletions
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2
net/sched/sch_netem.c
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@@ -662,8 +662,8 @@ static int netem_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
sch_tree_lock(sch);
*old = xchg(&q->qdisc, new);
qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
qdisc_reset(*old);
sch->q.qlen = 0;
sch_tree_unlock(sch);
return 0;