diff options
Diffstat (limited to 'net/sched/sch_qfq.c')
| -rw-r--r-- | net/sched/sch_qfq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 8d2d8d953432..3dc3a6e56052 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -220,10 +220,9 @@ static struct qfq_class *qfq_find_class(struct Qdisc *sch, u32 classid) static void qfq_purge_queue(struct qfq_class *cl) { unsigned int len = cl->qdisc->q.qlen; - unsigned int backlog = cl->qdisc->qstats.backlog; qdisc_reset(cl->qdisc); - qdisc_tree_reduce_backlog(cl->qdisc, len, backlog); + qdisc_tree_decrease_qlen(cl->qdisc, len); } static const struct nla_policy qfq_policy[TCA_QFQ_MAX + 1] = { @@ -618,7 +617,11 @@ static int qfq_graft_class(struct Qdisc *sch, unsigned long arg, new = &noop_qdisc; } - *old = qdisc_replace(sch, new, &cl->qdisc); + sch_tree_lock(sch); + qfq_purge_queue(cl); + *old = cl->qdisc; + cl->qdisc = new; + sch_tree_unlock(sch); return 0; } |