From f94cb518bbe6248ef5ceb81efc1d40fe3fd3525d Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Thu, 14 May 2015 13:02:49 +0000
Subject: [PATCH] [ADVAPI32] - Add parameter check to RegQueryInfoKeyA
 CORE-6976

svn path=/trunk/; revision=67711
---
 reactos/dll/win32/advapi32/reg/reg.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/reactos/dll/win32/advapi32/reg/reg.c b/reactos/dll/win32/advapi32/reg/reg.c
index a6aa22ecae5..c02d180d520 100644
--- a/reactos/dll/win32/advapi32/reg/reg.c
+++ b/reactos/dll/win32/advapi32/reg/reg.c
@@ -3604,6 +3604,11 @@ RegQueryInfoKeyA(HKEY hKey,
     NTSTATUS Status;
     DWORD cClass = 0;
 
+    if ((lpClass) && (!lpcClass))
+    {
+        return ERROR_INVALID_PARAMETER;
+    }
+
     RtlInitUnicodeString(&UnicodeString,
                          NULL);
     if (lpClass != NULL)