diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/route.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index f980f904d6ea..c00156805bf0 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -474,6 +474,8 @@ static struct rt6_info *rt6_multipath_select(struct rt6_info *match, if (route_choosen == 0) { struct inet6_dev *idev = sibling->rt6i_idev; + if (sibling->rt6i_nh_flags & RTNH_F_DEAD) + break; if (sibling->rt6i_nh_flags & RTNH_F_LINKDOWN && idev->cnf.ignore_routes_with_linkdown) break; @@ -499,12 +501,15 @@ static inline struct rt6_info *rt6_device_match(struct net *net, struct rt6_info *local = NULL; struct rt6_info *sprt; - if (!oif && ipv6_addr_any(saddr)) - goto out; + if (!oif && ipv6_addr_any(saddr) && !(rt->rt6i_nh_flags & RTNH_F_DEAD)) + return rt; for (sprt = rt; sprt; sprt = rcu_dereference(sprt->rt6_next)) { struct net_device *dev = sprt->dst.dev; + if (sprt->rt6i_nh_flags & RTNH_F_DEAD) + continue; + if (oif) { if (dev->ifindex == oif) return sprt; @@ -533,8 +538,8 @@ static inline struct rt6_info *rt6_device_match(struct net *net, if (flags & RT6_LOOKUP_F_IFACE) return net->ipv6.ip6_null_entry; } -out: - return rt; + + return rt->rt6i_nh_flags & RTNH_F_DEAD ? net->ipv6.ip6_null_entry : rt; } #ifdef CONFIG_IPV6_ROUTER_PREF @@ -680,6 +685,9 @@ static struct rt6_info *find_match(struct rt6_info *rt, int oif, int strict, bool match_do_rr = false; struct inet6_dev *idev = rt->rt6i_idev; + if (rt->rt6i_nh_flags & RTNH_F_DEAD) + goto out; + if (idev->cnf.ignore_routes_with_linkdown && rt->rt6i_nh_flags & RTNH_F_LINKDOWN && !(strict & RT6_LOOKUP_F_IGNORE_LINKSTATE)) @@ -2153,6 +2161,8 @@ static struct rt6_info *__ip6_route_redirect(struct net *net, fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr); restart: for_each_fib6_node_rt_rcu(fn) { + if (rt->rt6i_nh_flags & RTNH_F_DEAD) + continue; if (rt6_check_expired(rt)) continue; if (rt->dst.error) |