[IPV6]: Fix Temporary Address Generation

From: Hiroyuki YAMAMORI <h-yamamo@db3.so-net.ne.jp>

Since regen_count is stored in the public address, we need to reset it
when we start renewing temporary address.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d805241e439c..2a6439e3c91c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2782,6 +2782,9 @@ restart:
                                                 in6_ifa_hold(ifpub);
                                                 spin_unlock(&ifp->lock);
                                                 read_unlock(&addrconf_hash_lock);
+                                                spin_lock(&ifpub->lock);
+                                                ifpub->regen_count = 0;
+                                                spin_unlock(&ifpub->lock);
                                                 ipv6_create_tempaddr(ifpub, ifp);
                                                 in6_ifa_put(ifpub);
                                                 in6_ifa_put(ifp);