From 61f55f3e282bb16939f4675d619184e48a70a440 Mon Sep 17 00:00:00 2001
From: Matthew Budd <mjbudd77@gmail.com>
Date: Tue, 12 May 2020 22:45:08 -0400
Subject: [PATCH] Ensure that pallette variable has been freed before
 attempting malloc a new heap.

---
 src/drivers/common/vidblit.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/drivers/common/vidblit.cpp b/src/drivers/common/vidblit.cpp
index 7a3eb0f9..d93c520a 100644
--- a/src/drivers/common/vidblit.cpp
+++ b/src/drivers/common/vidblit.cpp
@@ -218,6 +218,11 @@ int InitBlitToHigh(int b, uint32 rmask, uint32 gmask, uint32 bmask, int efx, int
 		return(0);
 	
 	//allocate adequate room for 32bpp palette
+	if ( palettetranslate )
+	{
+		free(palettetranslate);
+		palettetranslate=NULL;
+	}
 	palettetranslate=(uint32*)FCEU_dmalloc(256*4 + 512*4);
 	
 	if(!palettetranslate)