From: stephen hemminger Date: Mon, 12 Apr 2010 05:41:34 +0000 (+0000) Subject: IPv6: only notify protocols if address is compeletely gone X-Git-Tag: v3.12-rc1~10278^2~502 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8595805aafc8b077e01804c9a3668e9aa3510e89;p=kernel%2Fkernel-generic.git IPv6: only notify protocols if address is compeletely gone The notifier for address down should only be called if address is completely gone, not just being marked as tentative on link transistion. The code in net-next would case bonding/sctp/s390 to see address disappear on link down, but they would never see it reappear on link up. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a0175ed..7cba884 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2715,7 +2715,9 @@ static int addrconf_ifdown(struct net_device *dev, int how) } __ipv6_ifa_notify(RTM_DELADDR, ifa); - atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa); + if (ifa->dead) + atomic_notifier_call_chain(&inet6addr_chain, + NETDEV_DOWN, ifa); in6_ifa_put(ifa); write_lock_bh(&idev->lock);