[PATCH net 1/3] macsec: add rcu_barrier() on module exit

[Sabrina Dubroca]

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

Fixes: c09440f7dcb3 ("macsec: introduce IEEE 802.1AE driver")
Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
---
 drivers/net/macsec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 47ee2c840b55..e80736f6acd7 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3361,6 +3361,7 @@ static void __exit macsec_exit(void)
        genl_unregister_family(&macsec_fam);
        rtnl_link_unregister(&macsec_link_ops);
        unregister_netdevice_notifier(&macsec_notifier);
+       rcu_barrier();
 }
 
 module_init(macsec_init);
-- 
2.8.3