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authorJesper Dangaard Brouer <hawk@comx.dk>2009-06-26 10:45:48 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-26 13:51:32 -0700
commit473c22d759e73cbbe604f41105b497817cc2ee8e (patch)
tree799832200c62f721718408a1a072da2cdc5fa35c /net
parent1f2ccd00f224a4e2d6d26f590f3e6851f3deef99 (diff)
downloadlinux-473c22d759e73cbbe604f41105b497817cc2ee8e.tar.gz
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>
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 9aac5213105a..e1241c76239a 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -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)