From ea7cc6fc553ba25fe8acfc6d5a694c54cdbf9c68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20M=C3=BCller?= <michael@fds-team.de>
Date: Fri, 3 Feb 2017 09:36:45 +0100
Subject: [PATCH] msvideo.dll16: Check if any 16 bit thunks have been allocated
 before accessing pointer.
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Signed-off-by: Michael Müller <michael@fds-team.de>
Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/msvideo.dll16/msvideo16.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/msvideo.dll16/msvideo16.c b/dlls/msvideo.dll16/msvideo16.c
index 28f126c957e..d390020eccd 100644
--- a/dlls/msvideo.dll16/msvideo16.c
+++ b/dlls/msvideo.dll16/msvideo16.c
@@ -771,6 +771,9 @@ static struct msvideo_thunk*    MSVIDEO_HasThunk(HIC16 hic)
 {
     struct msvideo_thunk* thunk;
 
+    if (!MSVIDEO_Thunks)
+        return NULL;
+
     for (thunk = MSVIDEO_Thunks; thunk < &MSVIDEO_Thunks[MAX_THUNKS]; thunk++)
     {
         if (thunk->hIC16 == hic) return thunk;