[akhaldi] 71947: [KERNEL32] Check the return buffer for NULL before initializing the unicode string buffer with it. By Peter Hater. CORE-11368

Author: akhaldi
Date: Fri Jul 15 20:18:20 2016
New Revision: 71947

URL: http://svn.reactos.org/svn/reactos?rev=71947&view=rev
Log:
[KERNEL32] Check the return buffer for NULL before initializing the unicode string buffer
with it. By Peter Hater. CORE-11368

Modified:
    trunk/reactos/dll/win32/kernel32/client/compname.c

Modified: trunk/reactos/dll/win32/kernel32/client/compname.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/kernel32/client/…
==============================================================================
--- trunk/reactos/dll/win32/kernel32/client/compname.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/kernel32/client/compname.c	[iso-8859-1] Fri Jul 15 20:18:20
2016
@@ -263,8 +263,15 @@
     UNICODE_STRING UnicodeString;
     ANSI_STRING AnsiString;
     BOOL Result;
-    PWCHAR TempBuffer = RtlAllocateHeap( RtlGetProcessHeap(), 0, *nSize * sizeof(WCHAR)
);
-
+    PWCHAR TempBuffer;
+
+    if (!lpBuffer)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+
+    TempBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, *nSize * sizeof(WCHAR));
     if (!TempBuffer)
     {
         SetLastError(ERROR_NOT_ENOUGH_MEMORY);