1 files changed, 6 insertions, 1 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 96455ffb76fb..7659d6f16e6b 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1565,11 +1565,16 @@ static void rt6_do_pmtu_disc(struct in6_addr *daddr, struct in6_addr *saddr,
 {
         struct rt6_info *rt, *nrt;
         int allfrag = 0;
-
+again:
         rt = rt6_lookup(net, daddr, saddr, ifindex, 0);
         if (rt == NULL)
                 return;
 
+        if (rt6_check_expired(rt)) {
+                ip6_del_rt(rt);
+                goto again;
+        }
+
         if (pmtu >= dst_mtu(&rt->dst))
                 goto out;