From: stephen hemminger Date: Mon, 12 Apr 2010 05:41:32 +0000 (+0000) Subject: IPv6: keep tentative addresses in hash table X-Git-Tag: v2.6.35-rc1~473^2~504 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=27bdb2abcc5edb3526e25407b74bf17d1872c329;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git IPv6: keep tentative addresses in hash table When link goes down, want address to be preserved but in a tentative state, therefore it has to stay in hash list. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a9913d2..9d78c12 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2704,17 +2704,18 @@ static int addrconf_ifdown(struct net_device *dev, int how) /* Flag it for later restoration when link comes up */ ifa->flags |= IFA_F_TENTATIVE; in6_ifa_hold(ifa); + write_unlock_bh(&idev->lock); } else { list_del(&ifa->if_list); ifa->dead = 1; - } - write_unlock_bh(&idev->lock); + write_unlock_bh(&idev->lock); - /* clear hash table */ - spin_lock_bh(&addrconf_hash_lock); - hlist_del_init_rcu(&ifa->addr_lst); - __in6_ifa_put(ifa); - spin_unlock_bh(&addrconf_hash_lock); + /* clear hash table */ + spin_lock_bh(&addrconf_hash_lock); + hlist_del_init_rcu(&ifa->addr_lst); + __in6_ifa_put(ifa); + spin_unlock_bh(&addrconf_hash_lock); + } __ipv6_ifa_notify(RTM_DELADDR, ifa); atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa);