act_mirred: always release tcf hash

Align with other tc actions.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: NCong Wang <cwang@twopensource.com>
Signed-off-by: NCong Wang <xiyou.wangcong@gmail.com>
Acked-by: NJamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sched/act_mirred.c

@@ -107,10 +107,10 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 	} else {
 		if (bind)
 			return 0;
-		if (!ovr) {
-			tcf_hash_release(a, bind);
+
+		tcf_hash_release(a, bind);
+		if (!ovr)
 			return -EEXIST;
-		}
 	}
 	m = to_mirred(a);