[IPV6]: Always copy rt->u.dst.error when copying a rt6_info.

Signed-off-by: NVille Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv6/route.c

@@ -618,8 +618,6 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, struct in6_addr *d
 		ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
 		rt->rt6i_dst.plen = 128;
 		rt->rt6i_flags |= RTF_CACHE;
-		if (rt->rt6i_flags & RTF_REJECT)
-			rt->u.dst.error = ort->u.dst.error;
 		rt->u.dst.flags |= DST_HOST;
 		rt->rt6i_nexthop = neigh_clone(ort->rt6i_nexthop);
 	}
@@ -1540,6 +1538,7 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
 		rt->u.dst.output = ort->u.dst.output;
 
 		memcpy(rt->u.dst.metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32));
+		rt->u.dst.error = ort->u.dst.error;
 		rt->u.dst.dev = ort->u.dst.dev;
 		if (rt->u.dst.dev)
 			dev_hold(rt->u.dst.dev);