From 169bed1e5e8364875f68a66e7576c6947a11903b Mon Sep 17 00:00:00 2001
From: Marisa-Chan <thunder_8888@mail.ru>
Date: Fri, 19 Dec 2014 17:11:26 +0600
Subject: [PATCH] ZVISION: Fix dereference after null check (CID 1257091)

---
 engines/zvision/sound/zork_raw.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/engines/zvision/sound/zork_raw.cpp b/engines/zvision/sound/zork_raw.cpp
index 78c851e1321..393f2eb6a9f 100644
--- a/engines/zvision/sound/zork_raw.cpp
+++ b/engines/zvision/sound/zork_raw.cpp
@@ -73,6 +73,9 @@ RawChunkStream::RawChunk RawChunkStream::readNextChunk(Common::SeekableReadStrea
 	tmp.size = 0;
 	tmp.data = NULL;
 
+	if (!stream)
+		return tmp;
+
 	if (stream && (stream->size() == 0 || stream->eos()))
 		return tmp;