Commit 473c22d7 authored Jun 26, 2009 by Jesper Dangaard Brouer Committed by David S. Miller Jun 26, 2009

bridge: Use rcu_barrier() instead of syncronize_net() on unload.



When unloading modules that uses call_rcu() callbacks, then we must
use rcu_barrier().  This module uses syncronize_net() which is not
enough to be sure that all callback has been completed.

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>

parent 1f2ccd00

net/bridge/br.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -93,7 +93,7 @@ static void __exit br_deinit(void)

		unregister_pernet_subsys(&br_net_ops);

		synchronize_net();
		rcu_barrier(); /* Wait for completion of call_rcu()'s */

		br_netfilter_fini();
		#if defined(CONFIG_ATM_LANE) \|\| defined(CONFIG_ATM_LANE_MODULE)