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act_mirred: avoid calling tcf_hash_release() when binding
When we share an action within a filter, the bind refcnt should increase, therefore we should not call tcf_hash_release(). Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Cong Wang <cwang@twopensource.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -98,6 +98,8 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
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return ret;
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ret = ACT_P_CREATED;
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} else {
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if (bind)
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return 0;
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if (!ovr) {
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tcf_hash_release(a, bind);
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return -EEXIST;
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