@@ -1148,13 +1206,14 @@ static int do_add_counters(struct net *n
 		goto free;
 	}
 
-	write_lock_bh(&t->lock);
+	mutex_lock(&t->lock);
 	private = t->private;
 	if (private->number != num_counters) {
 		ret = -EINVAL;
 		goto unlock_up_free;
 	}
 
+	preempt_disable();
 	i = 0;
 	/* Choose the copy that is on our node */
 	loc_cpu_entry = private->entries[smp_processor_id()];

@@ -1164,7 +1223,8 @@ static int do_add_counters(struct net *n
 			   paddc,
 			   &i);
  unlock_up_free:
-	write_unlock_bh(&t->lock);
+	mutex_unlock(&t->lock);
+
 	xt_table_unlock(t);
 	module_put(t->me);
  free: