Bluetooth: mgmt: Add support for setting the local name

This patch adds a new set_local_name management command as well as a
local_name_changed management event. With these user space can both
change the local name as well as monitor changes to it by others.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 91ef526..0def3e1 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -193,13 +193,16 @@
 
 	BT_DBG("%s status 0x%x", hdev->name, status);
 
-	if (status)
-		return;
-
 	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
 	if (!sent)
 		return;
 
+	if (test_bit(HCI_MGMT, &hdev->flags))
+		mgmt_set_local_name_complete(hdev->id, sent, status);
+
+	if (status)
+		return;
+
 	memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
 }