From 442c0d47ef191deedf3c269fc9b872341ab661df Mon Sep 17 00:00:00 2001
From: Ben Dyer <ben.dyer@taguchimail.com>
Date: Fri, 20 Nov 2015 23:32:54 +1100
Subject: [PATCH] Fix off-by-one error in parameter count [resolves
 PX4/Firmware#3162]

---
 src/modules/uavcan/uavcan_servers.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/modules/uavcan/uavcan_servers.cpp b/src/modules/uavcan/uavcan_servers.cpp
index ca5bcede66..19316a8b8e 100644
--- a/src/modules/uavcan/uavcan_servers.cpp
+++ b/src/modules/uavcan/uavcan_servers.cpp
@@ -575,7 +575,8 @@ void UavcanServers::cb_getset(const uavcan::ServiceCallResult<uavcan::protocol::
 		if (result.isSuccessful()) {
 			uavcan::protocol::param::GetSet::Response resp = result.getResponse();
 			if (resp.name.size()) {
-				_param_counts[node_id] = _count_index++;
+				_count_index++;
+				_param_counts[node_id] = _count_index;
 
 				uavcan::protocol::param::GetSet::Request req;
 				req.index = _count_index;