[PATCH] [2.4.20] filter_list destroy fix in net/sched/sch_csz.c

["Dimitry V. Ketov" <Dimitry.Ketov@xxxxxxxxx>]

Same as prio qdisc, the csz qdisc does not destroy its filter list, when
someone deletes qdisc from interface without explicit filter deleting.
So here is the patch. :)

--- linux-2.4.20/net/sched/sch_csz.c    Fri Dec 21 20:42:06 2001
+++ linux/net/sched/sch_csz.c   Fri Apr 11 12:33:08 2003
@@ -749,6 +749,15 @@
 static void
 csz_destroy(struct Qdisc* sch)
 {
+       struct csz_sched_data *q = (struct csz_sched_data *)sch->data;
+       struct tcf_proto *tp;
+
+       while((tp = q->filter_list) != NULL)
+       {
+               q->filter_list = tp->next;
+               tp->ops->destroy(tp);
+       }
+
        MOD_DEC_USE_COUNT;
 }