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-rw-r--r--net/ipv6/addrconf.c7
-rw-r--r--net/ipv6/ndisc.c4
2 files changed, 6 insertions, 5 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 84a28b539c43..24e319dfb510 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1357,7 +1357,7 @@ retry:
regen_advance = idev->cnf.regen_max_retry *
idev->cnf.dad_transmits *
- NEIGH_VAR(idev->nd_parms, RETRANS_TIME) / HZ;
+ max(NEIGH_VAR(idev->nd_parms, RETRANS_TIME), HZ/100) / HZ;
/* recalculate max_desync_factor each time and update
* idev->desync_factor if it's larger
@@ -4121,7 +4121,8 @@ static void addrconf_dad_work(struct work_struct *w)
ifp->dad_probes--;
addrconf_mod_dad_work(ifp,
- NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME));
+ max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME),
+ HZ/100));
spin_unlock(&ifp->lock);
write_unlock_bh(&idev->lock);
@@ -4527,7 +4528,7 @@ restart:
!(ifp->flags&IFA_F_TENTATIVE)) {
unsigned long regen_advance = ifp->idev->cnf.regen_max_retry *
ifp->idev->cnf.dad_transmits *
- NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME) / HZ;
+ max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), HZ/100) / HZ;
if (age >= ifp->prefered_lft - regen_advance) {
struct inet6_ifaddr *ifpub = ifp->ifpub;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 6ffa153e5166..1ecd4e9b0bdf 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1359,8 +1359,8 @@ skip_defrtr:
if (rtime && rtime/1000 < MAX_SCHEDULE_TIMEOUT/HZ) {
rtime = (rtime*HZ)/1000;
- if (rtime < HZ/10)
- rtime = HZ/10;
+ if (rtime < HZ/100)
+ rtime = HZ/100;
NEIGH_VAR_SET(in6_dev->nd_parms, RETRANS_TIME, rtime);
in6_dev->tstamp = jiffies;
send_ifinfo_notify = true;