From 58fcb43c192eb424897a89dd18ea4788e83deb3f Mon Sep 17 00:00:00 2001
From: Strangerke
Date: Sun, 25 May 2014 17:38:28 +0200
Subject: CINE: Add a safeguard to avoid incrementing a null pointer

---
 engines/cine/gfx.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'engines/cine')

diff --git a/engines/cine/gfx.cpp b/engines/cine/gfx.cpp
index f6419ecafc..b9175cac72 100644
--- a/engines/cine/gfx.cpp
+++ b/engines/cine/gfx.cpp
@@ -1902,7 +1902,9 @@ void maskBgOverlay(const byte *bgPtr, const byte *maskPtr, int16 width, int16 he
 
 			destPtr++;
 			srcPtr++;
-			maskPtr++;
+
+			if (maskPtr)
+				maskPtr++;
 		}
 	}
 
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