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>
diff --git a/net/core/dev.c b/net/core/dev.c
index 25ab6fe..594a6b0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5235,10 +5235,14 @@
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 @@
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 2a0e21d..4aedf03 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1647,9 +1647,8 @@
}
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);