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macsec: add rcu_barrier() on module exit 

Without this, the various uses of call_rcu could cause a kernel panic.

Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sabrina Dubroca 2016-06-14 15:25:14 +02:00 committed by David S. Miller
parent 0ee13627f9
commit b196c22af5
1 changed files with 1 additions and 0 deletions
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drivers/net/macsec.c
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@ -3361,6 +3361,7 @@ static void __exit macsec_exit(void)
genl_unregister_family(&macsec_fam); genl_unregister_family(&macsec_fam);
rtnl_link_unregister(&macsec_link_ops); rtnl_link_unregister(&macsec_link_ops);
unregister_netdevice_notifier(&macsec_notifier); unregister_netdevice_notifier(&macsec_notifier);
rcu_barrier();
} }
module_init(macsec_init); module_init(macsec_init);