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@xxxxxxx>
---
net/netfilter/nfnetlink_queue.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 8c86011..71daa09 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@xxxxxxxxxxxxx>
* (C) 2007 by Patrick McHardy <kaber@xxxxxxxxx>
@@ -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");
--
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