From cf45f3bcc81337ad6642a2856521e8294282c711 Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@baikal.ru>
Date: Wed, 7 Jun 2017 00:29:37 +0300
Subject: [PATCH] oleaut32: Add an arguments check to LoadTypeLibEx.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/oleaut32/typelib.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/oleaut32/typelib.c b/dlls/oleaut32/typelib.c
index 1c00d715f4c..b88e6639c8e 100644
--- a/dlls/oleaut32/typelib.c
+++ b/dlls/oleaut32/typelib.c
@@ -472,6 +472,9 @@ HRESULT WINAPI LoadTypeLibEx(
 
     TRACE("(%s,%d,%p)\n",debugstr_w(szFile), regkind, pptLib);
 
+    if (!szFile || !pptLib)
+        return E_INVALIDARG;
+
     *pptLib = NULL;
 
     res = TLB_ReadTypeLib(szFile, szPath, MAX_PATH + 1, (ITypeLib2**)pptLib);