From 437173854f073c4b07b75f0bacae19e6d458115c Mon Sep 17 00:00:00 2001
From: lumapu <lp@lufami.de>
Date: Sat, 18 May 2024 14:04:17 +0200
Subject: [PATCH] 0.8.120 * fix crash if invalid serial number was set

---
 src/CHANGES.md    | 3 +++
 src/defines.h     | 2 +-
 src/hm/hmSystem.h | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/CHANGES.md b/src/CHANGES.md
index 1cef0a8a..8bdd6c40 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,5 +1,8 @@
 # Development Changes
 
+## 0.8.120 - 2024-05-18
+* fix crash if invalid serial number was set
+
 ## 0.8.119 - 2024-05-17
 * fix reset values at midnight if WiFi isn't available #1620
 * fix typo in English versions
diff --git a/src/defines.h b/src/defines.h
index 3e7adc01..7a91ac1d 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       8
-#define VERSION_PATCH       119
+#define VERSION_PATCH       120
 //-------------------------------------
 typedef struct {
     uint8_t ch;
diff --git a/src/hm/hmSystem.h b/src/hm/hmSystem.h
index 0e86881d..e6274696 100644
--- a/src/hm/hmSystem.h
+++ b/src/hm/hmSystem.h
@@ -74,6 +74,7 @@ class HmSystem {
                     iv->ivRadioType = INV_RADIO_TYPE_CMT;
             } else if(iv->config->serial.u64 != 0ULL) {
                 DPRINTLN(DBG_ERROR, F("inverter type can't be detected!"));
+                iv->config = nullptr;
                 return;
             } else
                 iv->ivGen = IV_UNKNOWN;
@@ -116,6 +117,8 @@ class HmSystem {
             DPRINTLN(DBG_VERBOSE, F("hmSystem.h:getInverterByPos"));
             if(pos >= MAX_INVERTER)
                 return nullptr;
+            else if(nullptr == mInverter[pos].config)
+                return nullptr;
             else if((mInverter[pos].config->serial.u64 != 0ULL) || (false == check))
                 return &mInverter[pos];
             else