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authorEric Dumazet <eric.dumazet@gmail.com>2010-11-15 06:38:14 +0000
committerDavid S. Miller <davem@davemloft.net>2010-11-15 11:13:18 -0800
commitec1e5610c00c7f5bc530d2aadd47faa473b90a30 (patch)
treec3bc845f485911083e47e218e7f01eba4de1bbfd /net/bridge/br_private.h
parentb5ed54e94d324f17c97852296d61a143f01b227a (diff)
downloadlwn-ec1e5610c00c7f5bc530d2aadd47faa473b90a30.tar.gz
lwn-ec1e5610c00c7f5bc530d2aadd47faa473b90a30.zip
bridge: add RCU annotations to bridge port lookup
br_port_get() renamed to br_port_get_rtnl() to make clear RTNL is held. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_private.h')
-rw-r--r--net/bridge/br_private.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 46e0bec1d7c5..84aac7734bfc 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -159,9 +159,10 @@ static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *d
return br_port_exists(dev) ? port : NULL;
}
-static inline struct net_bridge_port *br_port_get(struct net_device *dev)
+static inline struct net_bridge_port *br_port_get_rtnl(struct net_device *dev)
{
- return br_port_exists(dev) ? dev->rx_handler_data : NULL;
+ return br_port_exists(dev) ?
+ rtnl_dereference(dev->rx_handler_data) : NULL;
}
struct br_cpu_netstats {