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-rw-r--r--net/ipv6/addrconf.c7
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;