From: Eric Dumazet br_port_get() renamed to br_port_get_rtnl() to make clear RTNL is held. Signed-off-by: Eric Dumazet Signed-off-by: Stephen Hemminger --- net/bridge/br_if.c | 2 +- net/bridge/br_netlink.c | 4 ++-- net/bridge/br_notify.c | 4 ++-- net/bridge/br_private.h | 9 +++++---- 4 files changed, 10 insertions(+), 9 deletions(-) --- a/net/bridge/br_netlink.c 2010-11-15 08:25:50.049646467 -0800 +++ b/net/bridge/br_netlink.c 2010-11-15 08:27:57.772866001 -0800 @@ -119,7 +119,7 @@ static int br_dump_ifinfo(struct sk_buff idx = 0; for_each_netdev(net, dev) { - struct net_bridge_port *port = br_port_get(dev); + struct net_bridge_port *port = br_port_get_rtnl(dev); /* not a bridge port */ if (!port || idx < cb->args[0]) @@ -171,7 +171,7 @@ static int br_rtm_setlink(struct sk_buff if (!dev) return -ENODEV; - p = br_port_get(dev); + p = br_port_get_rtnl(dev); if (!p) return -EINVAL; --- a/net/bridge/br_private.h 2010-11-15 08:27:46.747612478 -0800 +++ b/net/bridge/br_private.h 2010-11-15 08:27:57.776866451 -0800 @@ -159,9 +159,10 @@ static inline struct net_bridge_port *br 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 { --- a/net/bridge/br_if.c 2010-11-15 08:25:50.049646467 -0800 +++ b/net/bridge/br_if.c 2010-11-15 08:27:57.776866451 -0800 @@ -475,7 +475,7 @@ int br_del_if(struct net_bridge *br, str { struct net_bridge_port *p; - p = br_port_get(dev); + p = br_port_get_rtnl(dev); if (!p || p->br != br) return -EINVAL; --- a/net/bridge/br_notify.c 2010-11-15 08:25:50.045645976 -0800 +++ b/net/bridge/br_notify.c 2010-11-15 08:27:57.780866901 -0800 @@ -37,10 +37,10 @@ static int br_device_event(struct notifi int err; /* not a port of a bridge */ - if (!br_port_exists(dev)) + p = br_port_get_rtnl(dev); + if (!p) return NOTIFY_DONE; - p = br_port_get(dev); br = p->br; switch (event) { -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html