Fix a bug with spin_lock_bh() inserted instead of spin_unlock_bh() by
some recent patch.
Reported-by: Denys Fedoryshchenko <denys@visp.net.lb>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                if (n->nlmsg_type == RTM_DELTFILTER && t->tcm_handle == 0) {
                        spin_lock_bh(root_lock);
                        *back = tp->next;
-                       spin_lock_bh(root_lock);
+                       spin_unlock_bh(root_lock);
 
                        tfilter_notify(skb, n, tp, fh, RTM_DELTFILTER);
                        tcf_destroy(tp);