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-rw-r--r--net/ieee802154/6lowpan.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 8bfb40153fe7..8edfea5da572 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -530,7 +530,27 @@ static struct header_ops lowpan_header_ops = {
.create = lowpan_header_create,
};
+static struct lock_class_key lowpan_tx_busylock;
+static struct lock_class_key lowpan_netdev_xmit_lock_key;
+
+static void lowpan_set_lockdep_class_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock,
+ &lowpan_netdev_xmit_lock_key);
+}
+
+
+static int lowpan_dev_init(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, lowpan_set_lockdep_class_one, NULL);
+ dev->qdisc_tx_busylock = &lowpan_tx_busylock;
+ return 0;
+}
+
static const struct net_device_ops lowpan_netdev_ops = {
+ .ndo_init = lowpan_dev_init,
.ndo_start_xmit = lowpan_xmit,
.ndo_set_mac_address = lowpan_set_address,
};