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nfnetlink_queue: Use rcu_barrier() on module unload.

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This module uses rcu_call() thus it should use rcu_barrier() on module unload.

Also fixed a trivial typo 'nfetlink' -> 'nfnetlink' in comment.

Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer 2009-06-08 03:11:33 +00:00 committed by David S. Miller
parent 6e327c11a9
commit 67137f3cc7
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/nfnetlink_queue.c
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@ -1,6 +1,6 @@
/* /*
* This is a module which is used for queueing packets and communicating with * This is a module which is used for queueing packets and communicating with
* userspace via nfetlink. * userspace via nfnetlink.
* *
* (C) 2005 by Harald Welte <laforge@netfilter.org> * (C) 2005 by Harald Welte <laforge@netfilter.org>
* (C) 2007 by Patrick McHardy <kaber@trash.net> * (C) 2007 by Patrick McHardy <kaber@trash.net>
@ -932,6 +932,8 @@ static void __exit nfnetlink_queue_fini(void)
#endif #endif
nfnetlink_subsys_unregister(&nfqnl_subsys); nfnetlink_subsys_unregister(&nfqnl_subsys);
netlink_unregister_notifier(&nfqnl_rtnl_notifier); netlink_unregister_notifier(&nfqnl_rtnl_notifier);
rcu_barrier(); /* Wait for completion of call_rcu()'s */
} }
MODULE_DESCRIPTION("netfilter packet queue handler"); MODULE_DESCRIPTION("netfilter packet queue handler");