From d2f945c87fbb6ef29afd935ffdb13e9ad92ae8ec Mon Sep 17 00:00:00 2001
From: JusicP <slender87844@gmail.com>
Date: Wed, 28 Oct 2020 16:44:17 +0200
Subject: [PATCH] Add nullptr check for kv delete operator

---
 tier1/KeyValues.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tier1/KeyValues.cpp b/tier1/KeyValues.cpp
index 3e003319..5754100c 100644
--- a/tier1/KeyValues.cpp
+++ b/tier1/KeyValues.cpp
@@ -2806,12 +2806,18 @@ void *KeyValues::operator new( size_t iAllocSize, int nBlockUse, const char *pFi
 //-----------------------------------------------------------------------------
 void KeyValues::operator delete( void *pMem )
 {
-	KeyValuesSystem()->FreeKeyValuesMemory(pMem);
+	if (pMem)
+	{
+		KeyValuesSystem()->FreeKeyValuesMemory(pMem);
+	}
 }
 
 void KeyValues::operator delete( void *pMem, int nBlockUse, const char *pFileName, int nLine )
 {
-	KeyValuesSystem()->FreeKeyValuesMemory(pMem);
+	if (pMem)
+	{
+		KeyValuesSystem()->FreeKeyValuesMemory(pMem);
+	}
 }
 
 void KeyValues::UnpackIntoStructure( KeyValuesUnpackStructure const *pUnpackTable, void *pDest, size_t DestSizeInBytes )