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authorJesper Dangaard Brouer <hawk@comx.dk>2009-06-08 03:11:33 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-10 01:11:23 -0700
commit67137f3cc727e4da0297ffd7bfade837aa15ecfa (patch)
treec989f7e2e788aa79e105f93b0682d34f1435e1cf /net/netfilter
parent6e327c11a91d190650df9aabe7d3694d4838bfa1 (diff)
nfnetlink_queue: Use rcu_barrier() on module unload.
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>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nfnetlink_queue.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 8c860112ce0..71daa0934b6 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -1,6 +1,6 @@
/*
* 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) 2007 by Patrick McHardy <kaber@trash.net>
@@ -932,6 +932,8 @@ static void __exit nfnetlink_queue_fini(void)
#endif
nfnetlink_subsys_unregister(&nfqnl_subsys);
netlink_unregister_notifier(&nfqnl_rtnl_notifier);
+
+ rcu_barrier(); /* Wait for completion of call_rcu()'s */
}
MODULE_DESCRIPTION("netfilter packet queue handler");