openwrt/package/linux/kernel-patches/205-net_sched_sched_generic_c.patch

   1 --- linux-2.4.30/net/sched/sch_generic.c        2004-11-17 12:54:22.000000000 +0100
   2 +++ linux-2.4.30-wl/net/sched/sch_generic.c     2005-04-24 18:09:38.000000000 +0200
   3 @@ -392,7 +392,6 @@
   4                 return NULL;
   5         memset(sch, 0, size);
   6
   7 -       INIT_LIST_HEAD(&sch->list);
   8         skb_queue_head_init(&sch->q);
   9         sch->ops = ops;
  10         sch->enqueue = ops->enqueue;
  11 @@ -422,11 +421,22 @@
  12  void qdisc_destroy(struct Qdisc *qdisc)
  13  {
  14         struct Qdisc_ops *ops = qdisc->ops;
  15 +       struct net_device *dev;
  16
  17         if (qdisc->flags&TCQ_F_BUILTIN ||
  18             !atomic_dec_and_test(&qdisc->refcnt))
  19                 return;
  20 -       list_del(&qdisc->list);
  21 +
  22 +       dev = qdisc->dev;
  23 +       if (dev) {
  24 +               struct Qdisc *q, **qp;
  25 +               for (qp = &qdisc->dev->qdisc_list; (q=*qp) != NULL; qp = &q->next) {
  26 +                       if (q == qdisc) {
  27 +                               *qp = q->next;
  28 +                               break;
  29 +                       }
  30 +               }
  31 +       }
  32  #ifdef CONFIG_NET_ESTIMATOR
  33         qdisc_kill_estimator(&qdisc->stats);
  34  #endif
  35 @@ -455,9 +465,9 @@
  36                                 return;
  37                         }
  38                         write_lock(&qdisc_tree_lock);
  39 -                       list_add_tail(&qdisc->list, &dev->qdisc_list);
  40 +                       qdisc->next = dev->qdisc_list;
  41 +                       dev->qdisc_list = qdisc;
  42                         write_unlock(&qdisc_tree_lock);
  43 -
  44                 } else {
  45                         qdisc =  &noqueue_qdisc;
  46                 }
  47 @@ -501,7 +511,7 @@
  48         dev->qdisc = &noop_qdisc;
  49         spin_unlock_bh(&dev->queue_lock);
  50         dev->qdisc_sleeping = &noop_qdisc;
  51 -       INIT_LIST_HEAD(&dev->qdisc_list);
  52 +       dev->qdisc_list = NULL;
  53         write_unlock(&qdisc_tree_lock);
  54
  55         dev_watchdog_init(dev);
  56 @@ -523,7 +533,7 @@
  57                 qdisc_destroy(qdisc);
  58          }
  59  #endif
  60 -       BUG_TRAP(list_empty(&dev->qdisc_list));
  61 +       BUG_TRAP(dev->qdisc_list == NULL);
  62         BUG_TRAP(!timer_pending(&dev->watchdog_timer));
  63         spin_unlock_bh(&dev->queue_lock);
  64         write_unlock(&qdisc_tree_lock);