diff options
| -rw-r--r-- | net/sched/sch_tbf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index e9e47345736..d8e03c74ca7 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -341,13 +341,14 @@ static int tbf_change(struct Qdisc* sch, struct rtattr *opt) if (max_size < 0) goto done; - if (q->qdisc == &noop_qdisc) { + if (qopt->limit > 0) { if ((child = tbf_create_dflt_qdisc(sch->dev, qopt->limit)) == NULL) goto done; } sch_tree_lock(sch); - if (child) q->qdisc = child; + if (child) + qdisc_destroy(xchg(&q->qdisc, child)); q->limit = qopt->limit; q->mtu = qopt->mtu; q->max_size = max_size; |