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cls_matchall: fix tcf_unbind_filter missing

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[ Upstream commit a51c76b4dfb30496dc65396a957ef0f06af7fb22 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hangbin Liu 2018-08-14 17:28:26 +08:00 committed by Greg Kroah-Hartman
parent ffbc6163fc
commit b1246ef7cf
1 changed files with 2 additions and 0 deletions
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2
net/sched/cls_matchall.c
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@ -111,6 +111,8 @@ static void mall_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack)
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);