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ipv6: Use rcu_barrier() on module unload. 

The ipv6 module uses rcu_call() thus it should use rcu_barrier() on
module unload.

Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer 2009-06-26 10:46:03 +00:00 committed by David S. Miller
parent 10e8544801
commit 1f2ccd00f2
1 changed files with 2 additions and 0 deletions
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2
net/ipv6/af_inet6.c
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@ -1284,6 +1284,8 @@ static void __exit inet6_exit(void)
proto_unregister(&udplitev6_prot);
proto_unregister(&udpv6_prot);
proto_unregister(&tcpv6_prot);
rcu_barrier(); /* Wait for completion of call_rcu()'s */
}
module_exit(inet6_exit);