2 files changed, 7 insertions, 2 deletions

diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index f1063d62cd13..100fb8cec17c 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -71,6 +71,8 @@ struct inet6_ifaddr {
         struct inet6_ifaddr     *ifpub;
         int                     regen_count;
 #endif
+        bool                    tokenized;
+
         struct rcu_head         rcu;
 };
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 713ebe303f61..28b61e89bbb8 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -878,6 +878,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
         ifa->prefix_len = pfxlen;
         ifa->flags = flags | IFA_F_TENTATIVE;
         ifa->cstamp = ifa->tstamp = jiffies;
+        ifa->tokenized = false;
 
         ifa->rt = rt;
 
@@ -2134,6 +2135,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
                 struct inet6_ifaddr *ifp;
                 struct in6_addr addr;
                 int create = 0, update_lft = 0;
+                bool tokenized = false;
 
                 if (pinfo->prefix_len == 64) {
                         memcpy(&addr, &pinfo->prefix, 8);
@@ -2143,6 +2145,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
                                 memcpy(addr.s6_addr + 8,
                                        in6_dev->token.s6_addr + 8, 8);
                                 read_unlock_bh(&in6_dev->lock);
+                                tokenized = true;
                         } else if (ipv6_generate_eui64(addr.s6_addr + 8, dev) &&
                                    ipv6_inherit_eui64(addr.s6_addr + 8, in6_dev)) {
                                 in6_dev_put(in6_dev);
@@ -2185,6 +2188,7 @@ ok:
 
                         update_lft = create = 1;
                         ifp->cstamp = jiffies;
+                        ifp->tokenized = tokenized;
                         addrconf_dad_start(ifp);
                 }
 
@@ -4339,8 +4343,7 @@ static int inet6_set_iftoken(struct inet6_dev *idev, struct in6_addr *token)
         /* Well, that's kinda nasty ... */
         list_for_each_entry(ifp, &idev->addr_list, if_list) {
                 spin_lock(&ifp->lock);
-                if (ipv6_addr_src_scope(&ifp->addr) ==
-                    IPV6_ADDR_SCOPE_GLOBAL) {
+                if (ifp->tokenized) {
                         ifp->valid_lft = 0;
                         ifp->prefered_lft = 0;
                 }