[BRIDGE]: Fix device delete race.
This is a simpler fix for the two races in bridge device removal.
The Xen race of delif and notify is managed now by a new deleted flag.
No need for barriers or other locking because of rtnl mutex.
The del_timer_sync()'s are unnecessary, because br_stp_disable_port
delete's the timers, and they will finish running before RCU callback.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index c5bd631..e330b17 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -68,6 +68,7 @@
/* STP */
u8 priority;
u8 state;
+ u8 deleted;
u16 port_no;
unsigned char topology_change_ack;
unsigned char config_pending;