From 1fb754307e5badc412f7b571d63636f4d93f33c4 Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Thu, 19 Dec 2024 14:34:03 +1300
Subject: [PATCH] core: fix param get regression

It turns out single params are sent with index -1, so caught by the test
for the _HASH_CHECK param.
---
 src/mavsdk/core/mavlink_parameter_client.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mavsdk/core/mavlink_parameter_client.cpp b/src/mavsdk/core/mavlink_parameter_client.cpp
index a65f7753f..68eddb4c1 100644
--- a/src/mavsdk/core/mavlink_parameter_client.cpp
+++ b/src/mavsdk/core/mavlink_parameter_client.cpp
@@ -673,7 +673,8 @@ void MavlinkParameterClient::process_param_value(const mavlink_message_t& messag
                    << ", index: " << param_value.param_index;
     }
 
-    if (param_value.param_index == std::numeric_limits<uint16_t>::max()) {
+    if (param_value.param_index == std::numeric_limits<uint16_t>::max() &&
+        safe_param_id == "_HASH_CHECK") {
         // Ignore PX4's _HASH_CHECK param.
         return;
     }