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authorJiri Pirko <jiri@resnulli.us>2013-05-25 04:12:10 +0000
committerDavid S. Miller <davem@davemloft.net>2013-05-25 23:12:19 -0700
commit42e52bf9e3ae80fd44b21ddfcd64c54e6db2ff76 (patch)
tree4d395ed55ed5e36d0b54ea49329e797c06783f9f /net/core/dev.c
parent8513fbd880093f00a47e85a552f14ca2de8d84d6 (diff)
net: add netnotifier event for upper device change
Now when upper device is changed, event is not propagated via RT Netlink to userspace. Userspace might never now about the change. Fix this by adding upper-device-change notifier event. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 7229bc30e509..50c02ded1d69 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4411,7 +4411,7 @@ static int __netdev_upper_dev_link(struct net_device *dev,
else
list_add_tail_rcu(&upper->list, &dev->upper_dev_list);
dev_hold(upper_dev);
-
+ call_netdevice_notifiers(NETDEV_CHANGEUPPER, dev);
return 0;
}
@@ -4471,6 +4471,7 @@ void netdev_upper_dev_unlink(struct net_device *dev,
list_del_rcu(&upper->list);
dev_put(upper_dev);
kfree_rcu(upper, rcu);
+ call_netdevice_notifiers(NETDEV_CHANGEUPPER, dev);
}
EXPORT_SYMBOL(netdev_upper_dev_unlink);