1 files changed, 7 insertions, 4 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 510220f2ae8b..2a6439e3c91c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2467,9 +2467,11 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
                 return;
         }
 
-        if (idev->if_flags & IF_READY)
+        if (idev->if_flags & IF_READY) {
                 addrconf_dad_kick(ifp);
-        else {
+                spin_unlock_bh(&ifp->lock);
+        } else {
+                spin_unlock_bh(&ifp->lock);
                 /*
                  * If the defice is not ready:
                  * - keep it tentative if it is a permanent address.
@@ -2478,8 +2480,6 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
                 in6_ifa_hold(ifp);
                 addrconf_dad_stop(ifp);
         }
-
-        spin_unlock_bh(&ifp->lock);
 out:
         read_unlock_bh(&idev->lock);
 }
@@ -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);