[IRDA]: Remove net notifier.

<Patch from Stephen Hemminger>
o [FEATURE] remove unused code : device notifier handler.

diff --git a/net/irda/irsyms.c b/net/irda/irsyms.c
index b472fc309fd5c651df8598fa2f5e714300b7003d..0228f0f5b625abd1beb4d21b9018f98e9e079cdd 100644 (file)
--- a/net/irda/irsyms.c
+++ b/net/irda/irsyms.c
@@ -192,45 +192,6 @@ static struct packet_type irda_packet_type = {
        .func   = irlap_driver_rcv,     /* Packet type handler irlap_frame.c */
 };
 
-/*
- * Function irda_device_event (this, event, ptr)
- *
- *    Called when a device is taken up or down
- *
- */
-static int irda_device_event(struct notifier_block *this, unsigned long event,
-                            void *ptr)
-{
-       struct net_device *dev = (struct net_device *) ptr;
-       
-        /* Reject non IrDA devices */
-       if (dev->type != ARPHRD_IRDA) 
-               return NOTIFY_DONE;
-       
-        switch (event) {
-       case NETDEV_UP:
-               IRDA_DEBUG(3, "%s(), NETDEV_UP\n", __FUNCTION__);
-               /* irda_dev_device_up(dev); */
-               break;
-       case NETDEV_DOWN:
-               IRDA_DEBUG(3, "%s(), NETDEV_DOWN\n", __FUNCTION__);
-               /* irda_kill_by_device(dev); */
-               /* irda_rt_device_down(dev); */
-               /* irda_dev_device_down(dev); */
-               break;
-       default:
-               break;
-        }
-
-        return NOTIFY_DONE;
-}
-
-static struct notifier_block irda_dev_notifier = {
-       irda_device_event,
-       NULL,
-       0
-};
-
 /*
  * Function irda_notify_init (notify)
  *
@@ -272,9 +233,6 @@ int __init irda_init(void)
        /* Add IrDA packet type (Start receiving packets) */
         dev_add_pack(&irda_packet_type);
 
-       /* Notifier for Interface changes */
-       register_netdevice_notifier(&irda_dev_notifier);
-
        /* External APIs */
 #ifdef CONFIG_PROC_FS
        irda_proc_register();
@@ -308,9 +266,6 @@ void __exit irda_cleanup(void)
        /* Remove IrDA packet type (stop receiving packets) */
         dev_remove_pack(&irda_packet_type);
        
-       /* Stop receiving interfaces notifications */
-        unregister_netdevice_notifier(&irda_dev_notifier);
-       
        /* Remove higher layers */
        irsock_cleanup();
        irttp_cleanup();