# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
#   2004/08/22 14:30:32+02:00 kaber@coreworks.de 
#   [PKT_SCHED]: Fix class leak in CBQ scheduler
#   
#   Signed-off-by: Patrick McHardy <kaber@trash.net>
# 
# net/sched/sch_cbq.c
#   2004/08/22 14:30:13+02:00 kaber@coreworks.de +8 -6
#   [PKT_SCHED]: Fix class leak in CBQ scheduler
# 
diff -Nru a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
--- a/net/sched/sch_cbq.c	2004-08-22 14:33:59 +02:00
+++ b/net/sched/sch_cbq.c	2004-08-22 14:33:59 +02:00
@@ -1746,15 +1746,18 @@
 	}
 }
 
-static void cbq_destroy_class(struct cbq_class *cl)
+static void cbq_destroy_class(struct Qdisc *sch, struct cbq_class *cl)
 {
+	struct cbq_sched_data *q = qdisc_priv(sch);
+
 	cbq_destroy_filters(cl);
 	qdisc_destroy(cl->q);
 	qdisc_put_rtab(cl->R_tab);
 #ifdef CONFIG_NET_ESTIMATOR
 	qdisc_kill_estimator(&cl->stats);
 #endif
-	kfree(cl);
+	if (cl != &q->link)
+		kfree(cl);
 }
 
 static void
@@ -1777,8 +1780,7 @@
 
 		for (cl = q->classes[h]; cl; cl = next) {
 			next = cl->next;
-			if (cl != &q->link)
-				cbq_destroy_class(cl);
+			cbq_destroy_class(sch, cl);
 		}
 	}
 
@@ -1799,7 +1801,7 @@
 		spin_unlock_bh(&sch->dev->queue_lock);
 #endif
 
-		cbq_destroy_class(cl);
+		cbq_destroy_class(sch, cl);
 	}
 }
 
@@ -2035,7 +2037,7 @@
 	sch_tree_unlock(sch);
 
 	if (--cl->refcnt == 0)
-		cbq_destroy_class(cl);
+		cbq_destroy_class(sch, cl);
 
 	return 0;
 }