1 files changed, 5 insertions, 2 deletions

diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 355974f610c5..88cd02626621 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1275,8 +1275,11 @@ static int htb_delete(struct Qdisc *sch, unsigned long arg)
         if (last_child)
                 htb_parent_to_leaf(q, cl, new_q);
 
-        if (--cl->refcnt == 0)
-                htb_destroy_class(sch, cl);
+        BUG_ON(--cl->refcnt == 0);
+        /*
+         * This shouldn't happen: we "hold" one cops->get() when called
+         * from tc_ctl_tclass; the destroy method is done from cops->put().
+         */
 
         sch_tree_unlock(sch);
         return 0;