dev: update __dev_notify_flags() to send rtnl msg

This patch only prepares the next one, there is no functional change.
Now, __dev_notify_flags() can also be used to notify flags changes via
rtnetlink.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 7 insertions, 7 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 25ab6fe80da2..594a6b0ab3da 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5235,10 +5235,14 @@ int __dev_change_flags(struct net_device *dev, unsigned int flags)
         return ret;
 }
 
-void __dev_notify_flags(struct net_device *dev, unsigned int old_flags)
+void __dev_notify_flags(struct net_device *dev, unsigned int old_flags,
+                        unsigned int gchanges)
 {
         unsigned int changes = dev->flags ^ old_flags;
 
+        if (gchanges)
+                rtmsg_ifinfo(RTM_NEWLINK, dev, gchanges);
+
         if (changes & IFF_UP) {
                 if (dev->flags & IFF_UP)
                         call_netdevice_notifiers(NETDEV_UP, dev);
@@ -5274,10 +5278,7 @@ int dev_change_flags(struct net_device *dev, unsigned int flags)
                 return ret;
 
         changes = old_flags ^ dev->flags;
-        if (changes)
-                rtmsg_ifinfo(RTM_NEWLINK, dev, changes);
-
-        __dev_notify_flags(dev, old_flags);
+        __dev_notify_flags(dev, old_flags, changes);
         return ret;
 }
 EXPORT_SYMBOL(dev_change_flags);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 2a0e21de3060..4aedf03da052 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1647,9 +1647,8 @@ int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm)
         }
 
         dev->rtnl_link_state = RTNL_LINK_INITIALIZED;
-        rtmsg_ifinfo(RTM_NEWLINK, dev, ~0U);
 
-        __dev_notify_flags(dev, old_flags);
+        __dev_notify_flags(dev, old_flags, ~0U);
         return 0;
 }
 EXPORT_SYMBOL(rtnl_configure_link);