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net: emphasize rtnl lock required in call_netdevice_notifiers 

Since netdev_chain is guarded by rtnl_lock, ASSERT_RTNL should be
present here to make sure that all callers of call_netdevice_notifiers
does the locking properly.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2010-04-20 01:45:37 -07:00 committed by David S. Miller
parent b249dcb82d
commit ab9304717f
1 changed files with 1 additions and 0 deletions
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net/core/dev.c
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@ -1435,6 +1435,7 @@ EXPORT_SYMBOL(unregister_netdevice_notifier);
int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
{
ASSERT_RTNL();
return raw_notifier_call_chain(&netdev_chain, val, dev);
}