can: af_can.c use rcu_barrier() on module unload.
This module uses rcu_call() thus it should use rcu_barrier() on module unload. Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Acked-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -903,6 +903,8 @@ static __exit void can_exit(void)
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}
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spin_unlock(&can_rcvlists_lock);
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rcu_barrier(); /* Wait for completion of call_rcu()'s */
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kmem_cache_destroy(rcv_cache);
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}
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