static int fl_set_key(struct net *net, struct nlattr **tb,
                      struct fl_flow_key *key, struct fl_flow_key *mask)
 {
-       int err;
-
+#ifdef CONFIG_NET_CLS_IND
        if (tb[TCA_FLOWER_INDEV]) {
-               err = tcf_change_indev(net, tb[TCA_FLOWER_INDEV]);
+               int err = tcf_change_indev(net, tb[TCA_FLOWER_INDEV]);
                if (err < 0)
                        return err;
                key->indev_ifindex = err;
                mask->indev_ifindex = 0xffffffff;
        }
+#endif
 
        fl_set_key_val(tb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST,
                       mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK,