From 7efce5958b39dbfff49f361f103fa2cfcac996f9 Mon Sep 17 00:00:00 2001
From: Dusan Zivkovic <dusan@sunflower-labs.com>
Date: Wed, 1 Nov 2023 17:08:57 +0100
Subject: [PATCH] mavlink.cpp: fix errors that occur due to sending empty
 string

---
 RemoteIDModule/mavlink.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/RemoteIDModule/mavlink.cpp b/RemoteIDModule/mavlink.cpp
index 88086c0..f49d6b6 100644
--- a/RemoteIDModule/mavlink.cpp
+++ b/RemoteIDModule/mavlink.cpp
@@ -294,8 +294,11 @@ void MAVLinkSerial::process_packet(mavlink_status_t &status, mavlink_message_t &
 
 void MAVLinkSerial::arm_status_send(void)
 {
+    static constexpr char reason_none[50] = "";
+
     const uint8_t status = parse_fail==nullptr?MAV_ODID_ARM_STATUS_GOOD_TO_ARM:MAV_ODID_ARM_STATUS_PRE_ARM_FAIL_GENERIC;
-    const char *reason = parse_fail==nullptr?"":parse_fail;
+    const char *reason = parse_fail==nullptr?reason_none:parse_fail;
+
     mavlink_msg_open_drone_id_arm_status_send(
         chan,
         status,