Patch "Revert "rtnetlink: Do not generate notifications for CHANGEADDR event"" has been added to the 4.12-stable tree

Patch "Revert "rtnetlink: Do not generate notifications for CHANGEADDR event"" has been added to the 4.12-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    Revert "rtnetlink: Do not generate notifications for CHANGEADDR event"

to the 4.12-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     revert-rtnetlink-do-not-generate-notifications-for-changeaddr-event.patch
and it can be found in the queue-4.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Tue Aug  8 16:27:29 PDT 2017
From: David Ahern <dsahern@gmail.com>
Date: Wed, 19 Jul 2017 10:22:40 -0700
Subject: Revert "rtnetlink: Do not generate notifications for CHANGEADDR event"

From: David Ahern <dsahern@gmail.com>


[ Upstream commit 3753654e541938717b13f2b25791c3171a3a06aa ]

This reverts commit cd8966e75ed3c6b41a37047a904617bc44fa481f.

The duplicate CHANGEADDR event message is sent regardless of link
status whereas the setlink changes only generate a notification when
the link is up. Not sending a notification when the link is down breaks
dhcpcd which only processes hwaddr changes when the link is down.

Fixes reported regression:
    https://bugzilla.kernel.org/show_bug.cgi?id=196355

Reported-by: Yaroslav Isakov <yaroslav.isakov@gmail.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/core/rtnetlink.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4165,6 +4165,7 @@ static int rtnetlink_event(struct notifi
 
 	switch (event) {
 	case NETDEV_REBOOT:
+	case NETDEV_CHANGEADDR:
 	case NETDEV_CHANGENAME:
 	case NETDEV_FEAT_CHANGE:
 	case NETDEV_BONDING_FAILOVER:


Patches currently in stable-queue which might be from dsahern@gmail.com are

queue-4.12/rtnetlink-allocate-more-memory-for-dev_set_mac_address.patch
queue-4.12/revert-rtnetlink-do-not-generate-notifications-for-changeaddr-event.patch