1 files changed, 7 insertions, 1 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 25661f968f3f..96455ffb76fb 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1945,8 +1945,12 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
         struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops);
         struct neighbour *neigh;
 
-        if (rt == NULL)
+        if (rt == NULL) {
+                if (net_ratelimit())
+                        pr_warning("IPv6:  Maximum number of routes reached,"
+                                   " consider increasing route/max_size.\n");
                 return ERR_PTR(-ENOMEM);
+        }
 
         dev_hold(net->loopback_dev);
         in6_dev_hold(idev);
@@ -2741,6 +2745,7 @@ static void __net_exit ip6_route_net_exit(struct net *net)
         kfree(net->ipv6.ip6_prohibit_entry);
         kfree(net->ipv6.ip6_blk_hole_entry);
 #endif
+        dst_entries_destroy(&net->ipv6.ip6_dst_ops);
 }
 
 static struct pernet_operations ip6_route_net_ops = {
@@ -2832,5 +2837,6 @@ void ip6_route_cleanup(void)
         xfrm6_fini();
         fib6_gc_cleanup();
         unregister_pernet_subsys(&ip6_route_net_ops);
+        dst_entries_destroy(&ip6_dst_blackhole_ops);
         kmem_cache_destroy(ip6_dst_ops_template.kmem_cachep);
 }