net: pass changed flags along with NETDEV_CHANGE event

Use new netdevice notifier infrastructure to pass along changed flags.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>

v2->v3: shortened notifier_info struct name
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 2 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 54fce6006a83..6eb621cc3b81 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4771,8 +4771,13 @@ void __dev_notify_flags(struct net_device *dev, unsigned int old_flags)
         }
 
         if (dev->flags & IFF_UP &&
-            (changes & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE)))
-                call_netdevice_notifiers(NETDEV_CHANGE, dev);
+            (changes & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE))) {
+                struct netdev_notifier_change_info change_info;
+
+                change_info.flags_changed = changes;
+                call_netdevice_notifiers_info(NETDEV_CHANGE, dev,
+                                              &change_info.info);
+        }
 }
 
 /**