From 6003344cd61c5f2059ccf8b8f74442b0c20096d0 Mon Sep 17 00:00:00 2001
From: Paul <paul@derbyshire.nl>
Date: Sun, 6 Oct 2019 22:04:10 +0200
Subject: [PATCH] fix out of bounds with hc num

---
 src/ems.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ems.cpp b/src/ems.cpp
index 5e363f35b..2f3b74a7b 100644
--- a/src/ems.cpp
+++ b/src/ems.cpp
@@ -1489,7 +1489,7 @@ void _process_EasyStatusMessage(_EMS_RxTelegram * EMS_RxTelegram) {
 
 void _process_MMPLUSStatusMessage(_EMS_RxTelegram * EMS_RxTelegram) {
     uint8_t hc = (EMS_RxTelegram->type - EMS_TYPE_MMPLUSStatusMessage_HC1); // 0 to 3
-    if (hc > EMS_THERMOSTAT_MAXHC) {
+    if (hc >= EMS_THERMOSTAT_MAXHC) {
         return; // invalid type
     }
     EMS_Mixing.hc[hc].active = true;
@@ -1507,7 +1507,7 @@ void _process_MMPLUSStatusMessage(_EMS_RxTelegram * EMS_RxTelegram) {
 void _process_RCPLUSStatusMessage(_EMS_RxTelegram * EMS_RxTelegram) {
     // figure out which heating circuit
     uint8_t hc = (EMS_RxTelegram->type - EMS_TYPE_RCPLUSStatusMessage_HC1); // 0 to 3
-    if (hc > EMS_THERMOSTAT_MAXHC) {
+    if (hc >= EMS_THERMOSTAT_MAXHC) {
         return; // invalid type
     }
     EMS_Thermostat.hc[hc].active = true;