From 6abe343f04837676d6927a5701849a2f911cd885 Mon Sep 17 00:00:00 2001
From: Pavel Kirienko <pavel.kirienko@gmail.com>
Date: Wed, 20 May 2015 15:19:51 +0300
Subject: [PATCH] FirmwareUpdateTrigger handleFirmwareUpdateConfirmation() made
 optional

---
 .../include/uavcan/protocol/firmware_update_trigger.hpp   | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libuavcan/include/uavcan/protocol/firmware_update_trigger.hpp b/libuavcan/include/uavcan/protocol/firmware_update_trigger.hpp
index 7380be1d9d..9bea80eaca 100644
--- a/libuavcan/include/uavcan/protocol/firmware_update_trigger.hpp
+++ b/libuavcan/include/uavcan/protocol/firmware_update_trigger.hpp
@@ -80,12 +80,18 @@ public:
      * This node is invoked when the node responds to the update request with confirmation.
      * Note that if by the time of arrival of the response the node is already removed, this method will not be called.
      *
+     * Implementation is optional; default one does nothing.
+     *
      * @param node_id   Node ID that confirmed the request.
      *
      * @param response  Actual response.
      */
     virtual void handleFirmwareUpdateConfirmation(NodeID node_id,
-                                                  const protocol::file::BeginFirmwareUpdate::Response& response) = 0;
+                                                  const protocol::file::BeginFirmwareUpdate::Response& response)
+    {
+        (void)node_id;
+        (void)response;
+    }
 
     virtual ~IFirmwareVersionChecker() { }
 };