ledtrig-netdev: don't stop timer on events for different interfaces

This fixes regression introduced in my recent ledtrig-netdev commit.
Events triggered by different interfaces were stopping timer so it
wasn't working for tx/rx mode.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 48072

target/linux/generic/files/drivers/leds/ledtrig-netdev.c

@@ -269,11 +269,12 @@ static int netdev_trig_notify(struct notifier_block *nb,
 		return NOTIFY_DONE;
 
 	spin_lock_bh(&trigger_data->lock);
-	del_timer_sync(&trigger_data->timer);
 
 	if (strcmp(dev->name, trigger_data->device_name))
 		goto done;
 
+	del_timer_sync(&trigger_data->timer);
+
 	if (evt == NETDEV_REGISTER || evt == NETDEV_CHANGENAME) {
 		if (trigger_data->net_dev != NULL)
 			dev_put(trigger_data->net_dev);