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authorHangbin Liu <liuhangbin@gmail.com>2018-08-14 12:28:26 +0300
committerDavid S. Miller <davem@davemloft.net>2018-08-16 22:08:26 +0300
commita51c76b4dfb30496dc65396a957ef0f06af7fb22 (patch)
tree46091d92dcb6fa4e47dade2c071e88932dc5126b /net/sched/cls_matchall.c
parentd01e12dd3f4227f1be5d7c5bffa7b8240787bec1 (diff)
downloadlinux-a51c76b4dfb30496dc65396a957ef0f06af7fb22.tar.xz
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>
Diffstat (limited to 'net/sched/cls_matchall.c')
-rw-r--r--net/sched/cls_matchall.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index af16f36ed578..856fa79d4ffd 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -113,6 +113,8 @@ 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);