[BRIDGE]: port timer initialization

Initialize the STP timers for a port when it is created,
rather than when it is enabled. This will prevent future race conditions
where timer gets started before port is enabled.
Signed-off-by: NStephen Hemminger <shemmigner@osdl.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/bridge/br_if.c

@@ -277,8 +277,9 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
 	br_init_port(p);
 	p->state = BR_STATE_DISABLED;
 	INIT_WORK(&p->carrier_check, port_carrier_check, dev);
-	kobject_init(&p->kobj);
+	br_stp_port_timer_init(p);
 
+	kobject_init(&p->kobj);
 	kobject_set_name(&p->kobj, SYSFS_BRIDGE_PORT_ATTR);
 	p->kobj.ktype = &brport_ktype;
 	p->kobj.parent = &(dev->class_dev.kobj);

net/bridge/br_stp_if.c

@@ -39,8 +39,6 @@ void br_init_port(struct net_bridge_port *p)
 	p->state = BR_STATE_BLOCKING;
 	p->topology_change_ack = 0;
 	p->config_pending = 0;
-
-	br_stp_port_timer_init(p);
 }
 
 /* called under bridge lock */