1 files changed, 4 insertions, 3 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8ed6763dae96..ef6fc16ae5d9 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -836,7 +836,7 @@ static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, struct inet6_ifaddr *i
 {
         struct inet6_dev *idev = ifp->idev;
         struct in6_addr addr, *tmpaddr;
-        unsigned long tmp_prefered_lft, tmp_valid_lft, tmp_cstamp, tmp_tstamp;
+        unsigned long tmp_prefered_lft, tmp_valid_lft, tmp_cstamp, tmp_tstamp, age;
         unsigned long regen_advance;
         int tmp_plen;
         int ret = 0;
@@ -886,12 +886,13 @@ retry:
                 goto out;
         }
         memcpy(&addr.s6_addr[8], idev->rndid, 8);
+        age = (jiffies - ifp->tstamp) / HZ;
         tmp_valid_lft = min_t(__u32,
                               ifp->valid_lft,
-                              idev->cnf.temp_valid_lft);
+                              idev->cnf.temp_valid_lft + age);
         tmp_prefered_lft = min_t(__u32,
                                  ifp->prefered_lft,
-                                 idev->cnf.temp_prefered_lft -
+                                 idev->cnf.temp_prefered_lft + age -
                                  idev->cnf.max_desync_factor);
         tmp_plen = ifp->prefix_len;
         max_addresses = idev->cnf.max_addresses;