diff options
| -rw-r--r-- | net/sched/sch_generic.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 7e078c59319..082db8abe70 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -545,6 +545,17 @@ EXPORT_SYMBOL(qdisc_reset); static void __qdisc_destroy(struct rcu_head *head) { struct Qdisc *qdisc = container_of(head, struct Qdisc, q_rcu); + const struct Qdisc_ops *ops = qdisc->ops; + + gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est); + if (ops->reset) + ops->reset(qdisc); + if (ops->destroy) + ops->destroy(qdisc); + + module_put(ops->owner); + dev_put(qdisc_dev(qdisc)); + kfree((char *) qdisc - qdisc->padded); } @@ -552,21 +563,12 @@ static void __qdisc_destroy(struct rcu_head *head) void qdisc_destroy(struct Qdisc *qdisc) { - const struct Qdisc_ops *ops = qdisc->ops; - if (qdisc->flags & TCQ_F_BUILTIN || !atomic_dec_and_test(&qdisc->refcnt)) return; list_del(&qdisc->list); - gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est); - if (ops->reset) - ops->reset(qdisc); - if (ops->destroy) - ops->destroy(qdisc); - module_put(ops->owner); - dev_put(qdisc_dev(qdisc)); call_rcu(&qdisc->q_rcu, __qdisc_destroy); } EXPORT_SYMBOL(qdisc_destroy); |