cls_matchall: fix tcf_unbind_filter missing
Fix tcf_unbind_filter missing in cls_matchall as this will trigger
WARN_ON() in cbq_destroy_class().
Fixes: fd62d9f5c575f ("net/sched: matchall: Fix configuration race")
Reported-by: Li Shuang <shuali@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index af16f36..856fa79 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -113,6 +113,8 @@
if (!head)
return;
+ tcf_unbind_filter(tp, &head->res);
+
if (!tc_skip_hw(head->flags))
mall_destroy_hw_filter(tp, head, (unsigned long) head, extack);