From d6764ca0f83c03557e2f73189a7ba61768048055 Mon Sep 17 00:00:00 2001
From: Raphael Coeffic <raphael.coeffic@frafos.com>
Date: Tue, 20 Sep 2022 08:05:34 +0200
Subject: [PATCH] fix: prevent out of bounds access if
 g_eeGeneral.templateSetup has an invalid value

---
 radio/src/opentx.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index d6d2cd247..897da4f0c 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -69,6 +69,7 @@ const uint8_t bchout_ar[]  = {
 
 uint8_t channelOrder(uint8_t setup, uint8_t x)
 {
+  if (setup >= sizeof(bchout_ar)) return x;
   return ((*(bchout_ar + setup) >> (6 - (x - 1) * 2)) & 3) + 1;
 }