diff mbox

[4/4] IPv6: only notify protocols if address is compeletely gone

Message ID 20100412154255.896310012@vyatta.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

stephen hemminger April 12, 2010, 3:41 p.m. UTC 
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 <shemminger@vyatta.com>
diff mbox

Patch

--- a/net/ipv6/addrconf.c	2010-04-11 14:34:36.919767724 -0700
+++ b/net/ipv6/addrconf.c	2010-04-11 14:35:00.533967946 -0700
@@ -2714,7 +2714,9 @@  static int addrconf_ifdown(struct net_de
 		}
 
 		__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);