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bridge: vlan: Use rcu_dereference instead of rtnl_dereference 

br_should_learn() is protected by RCU and not by RTNL, so use correct
flavor of nbp_vlan_group().

Fixes: 907b1e6e83 ("bridge: vlan: use proper rcu for the vlgrp
member")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2015-11-01 18:31:45 +02:00 committed by David S. Miller
parent b9b377136e
commit eca1e006cf
1 changed files with 1 additions and 1 deletions
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2
net/bridge/br_vlan.c
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@ -482,7 +482,7 @@ bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid)
if (!br->vlan_enabled)
return true;
vg = nbp_vlan_group(p);
vg = nbp_vlan_group_rcu(p);
if (!vg || !vg->num_vlans)
return false;