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Diffstat (limited to 'net/ipv6/route.c')
-rw-r--r--net/ipv6/route.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 0190e39..8a77793 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -280,10 +280,13 @@ static int inline rt6_check_neigh(struct rt6_info *rt)
{
struct neighbour *neigh = rt->rt6i_nexthop;
int m = 0;
- if (neigh) {
+ if (rt->rt6i_flags & RTF_NONEXTHOP ||
+ !(rt->rt6i_flags & RTF_GATEWAY))
+ m = 1;
+ else if (neigh) {
read_lock_bh(&neigh->lock);
if (neigh->nud_state & NUD_VALID)
- m = 1;
+ m = 2;
read_unlock_bh(&neigh->lock);
}
return m;
@@ -292,15 +295,18 @@ static int inline rt6_check_neigh(struct rt6_info *rt)
static int rt6_score_route(struct rt6_info *rt, int oif,
int strict)
{
- int m = rt6_check_dev(rt, oif);
+ int m, n;
+
+ m = rt6_check_dev(rt, oif);
if (!m && (strict & RT6_SELECT_F_IFACE))
return -1;
#ifdef CONFIG_IPV6_ROUTER_PREF
m |= IPV6_DECODE_PREF(IPV6_EXTRACT_PREF(rt->rt6i_flags)) << 2;
#endif
- if (rt6_check_neigh(rt))
+ n = rt6_check_neigh(rt);
+ if (n > 1)
m |= 16;
- else if (strict & RT6_SELECT_F_REACHABLE)
+ else if (!n && strict & RT6_SELECT_F_REACHABLE)
return -1;
return m;
}