[PATCH net 1/2] ipv6: add missing netconf notif when 'all' is updated

[Nicolas Dichtel]

The 'default' value was not advertised.

Fixes: f3a1bfb11ccb ("rtnl/ipv6: use netconf msg to advertise forwarding 
status")
Signed-off-by: Nicolas Dichtel <nicolas.dich...@6wind.com>
---
 net/ipv6/addrconf.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f418d2eaeddd..299f0656e87f 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -778,7 +778,14 @@ static int addrconf_fixup_forwarding(struct ctl_table 
*table, int *p, int newf)
        }
 
        if (p == &net->ipv6.devconf_all->forwarding) {
+               int old_dftl = net->ipv6.devconf_dflt->forwarding;
+
                net->ipv6.devconf_dflt->forwarding = newf;
+               if ((!newf) ^ (!old_dftl))
+                       inet6_netconf_notify_devconf(net, NETCONFA_FORWARDING,
+                                                    NETCONFA_IFINDEX_DEFAULT,
+                                                    net->ipv6.devconf_dflt);
+
                addrconf_forward_change(net, newf);
                if ((!newf) ^ (!old))
                        inet6_netconf_notify_devconf(net, NETCONFA_FORWARDING,
-- 
2.8.1