diff options
Diffstat (limited to 'net/sched/sch_htb.c')
| -rw-r--r-- | net/sched/sch_htb.c | 49 |
1 files changed, 10 insertions, 39 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 23a9d6242429..e5b4bbf3ce3d 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1008,8 +1008,6 @@ static void htb_reset(struct Qdisc *sch) } qdisc_watchdog_cancel(&q->watchdog); __qdisc_reset_queue(&q->direct_queue); - sch->q.qlen = 0; - sch->qstats.backlog = 0; memset(q->hlevel, 0, sizeof(q->hlevel)); memset(q->row_mask, 0, sizeof(q->row_mask)); } @@ -1104,9 +1102,7 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt, err = qdisc_class_hash_init(&q->clhash); if (err < 0) - goto err_free_direct_qdiscs; - - qdisc_skb_head_init(&q->direct_queue); + return err; if (tb[TCA_HTB_DIRECT_QLEN]) q->direct_qlen = nla_get_u32(tb[TCA_HTB_DIRECT_QLEN]); @@ -1127,8 +1123,7 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt, qdisc = qdisc_create_dflt(dev_queue, &pfifo_qdisc_ops, TC_H_MAKE(sch->handle, 0), extack); if (!qdisc) { - err = -ENOMEM; - goto err_free_qdiscs; + return -ENOMEM; } htb_set_lockdep_class_child(qdisc); @@ -1146,7 +1141,7 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt, }; err = htb_offload(dev, &offload_opt); if (err) - goto err_free_qdiscs; + return err; /* Defer this assignment, so that htb_destroy skips offload-related * parts (especially calling ndo_setup_tc) on errors. @@ -1154,22 +1149,6 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt, q->offload = true; return 0; - -err_free_qdiscs: - for (ntx = 0; ntx < q->num_direct_qdiscs && q->direct_qdiscs[ntx]; - ntx++) - qdisc_put(q->direct_qdiscs[ntx]); - - qdisc_class_hash_destroy(&q->clhash); - /* Prevent use-after-free and double-free when htb_destroy gets called. - */ - q->clhash.hash = NULL; - q->clhash.hashsize = 0; - -err_free_direct_qdiscs: - kfree(q->direct_qdiscs); - q->direct_qdiscs = NULL; - return err; } static void htb_attach_offload(struct Qdisc *sch) @@ -1692,13 +1671,12 @@ static void htb_destroy(struct Qdisc *sch) qdisc_class_hash_destroy(&q->clhash); __qdisc_reset_queue(&q->direct_queue); - if (!q->offload) - return; - - offload_opt = (struct tc_htb_qopt_offload) { - .command = TC_HTB_DESTROY, - }; - htb_offload(dev, &offload_opt); + if (q->offload) { + offload_opt = (struct tc_htb_qopt_offload) { + .command = TC_HTB_DESTROY, + }; + htb_offload(dev, &offload_opt); + } if (!q->direct_qdiscs) return; @@ -2141,15 +2119,8 @@ static void htb_walk(struct Qdisc *sch, struct qdisc_walker *arg) for (i = 0; i < q->clhash.hashsize; i++) { hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, (unsigned long)cl, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, (unsigned long)cl, arg)) return; - } - arg->count++; } } } |