diff options
| -rw-r--r-- | net/sched/sch_htb.c | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 0284791169c..d01fe3a1a62 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1226,8 +1226,6 @@ static void htb_parent_to_leaf(struct htb_sched *q, struct htb_class *cl, static void htb_destroy_class(struct Qdisc *sch, struct htb_class *cl) { - struct htb_sched *q = qdisc_priv(sch); - if (!cl->level) { BUG_TRAP(cl->un.leaf.q); qdisc_destroy(cl->un.leaf.q); @@ -1237,21 +1235,6 @@ static void htb_destroy_class(struct Qdisc *sch, struct htb_class *cl) qdisc_put_rtab(cl->ceil); tcf_destroy_chain(&cl->filter_list); - - while (!list_empty(&cl->children)) - htb_destroy_class(sch, list_entry(cl->children.next, - struct htb_class, sibling)); - - /* note: this delete may happen twice (see htb_delete) */ - hlist_del_init(&cl->hlist); - list_del(&cl->sibling); - - if (cl->prio_activity) - htb_deactivate(q, cl); - - if (cl->cmode != HTB_CAN_SEND) - htb_safe_rb_erase(&cl->pq_node, q->wait_pq + cl->level); - kfree(cl); } @@ -1259,6 +1242,9 @@ static void htb_destroy_class(struct Qdisc *sch, struct htb_class *cl) static void htb_destroy(struct Qdisc *sch) { struct htb_sched *q = qdisc_priv(sch); + struct hlist_node *n, *next; + struct htb_class *cl; + unsigned int i; qdisc_watchdog_cancel(&q->watchdog); /* This line used to be after htb_destroy_class call below @@ -1267,10 +1253,14 @@ static void htb_destroy(struct Qdisc *sch) unbind_filter on it (without Oops). */ tcf_destroy_chain(&q->filter_list); - while (!list_empty(&q->root)) - htb_destroy_class(sch, list_entry(q->root.next, - struct htb_class, sibling)); - + for (i = 0; i < HTB_HSIZE; i++) { + hlist_for_each_entry(cl, n, q->hash + i, hlist) + tcf_destroy_chain(&cl->filter_list); + } + for (i = 0; i < HTB_HSIZE; i++) { + hlist_for_each_entry_safe(cl, n, next, q->hash + i, hlist) + htb_destroy_class(sch, cl); + } __skb_queue_purge(&q->direct_queue); } @@ -1302,12 +1292,16 @@ static int htb_delete(struct Qdisc *sch, unsigned long arg) qdisc_tree_decrease_qlen(cl->un.leaf.q, qlen); } - /* delete from hash and active; remainder in destroy_class */ - hlist_del_init(&cl->hlist); + /* delete from hash, sibling list and active */ + hlist_del(&cl->hlist); + list_del(&cl->sibling); if (cl->prio_activity) htb_deactivate(q, cl); + if (cl->cmode != HTB_CAN_SEND) + htb_safe_rb_erase(&cl->pq_node, q->wait_pq + cl->level); + if (last_child) htb_parent_to_leaf(q, cl, new_q); |