+ * ROSE network devices are virtual network devices encapsulating ROSE
+ * frames into AX.25 which will be sent through an AX.25 device, so form a
+ * special "super class" of normal net devices; split their locks off into a
+ * separate class since they always nest.
+ */
+static struct lock_class_key rose_netdev_xmit_lock_key;
+static struct lock_class_key rose_netdev_addr_lock_key;
+
+static void rose_set_lockdep_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &rose_netdev_xmit_lock_key);
+}
+
+static void rose_set_lockdep_key(struct net_device *dev)
+{
+ lockdep_set_class(&dev->addr_list_lock, &rose_netdev_addr_lock_key);
+ netdev_for_each_tx_queue(dev, rose_set_lockdep_one, NULL);
+}
+
+/*