linux-2.6.35.14/net/ipv6/route.c ip6ip6 metric issue

static struct rt6_info *find_rr_leaf(struct fib6_node *fn,
                              struct rt6_info *rr_head,
                              u32 metric, int oif, int strict)
{
       struct rt6_info *rt, *match;
       int mpri = -1;

       match = NULL;
       for (rt = rr_head; rt && rt->rt6i_metric == metric;
            rt = rt->u.dst.rt6_next)
               match = find_match(rt, oif, strict, &mpri, match);
       for (rt = fn->leaf; rt && rt != rr_head &&
            rt->rt6i_metric == metric;
            rt = rt->u.dst.rt6_next)
               match = find_match(rt, oif, strict, &mpri, match);

       return match;
}