From 4ee6c762d2ee2ab152438393722530c0a32615ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= <hpoussin@reactos.org>
Date: Tue, 25 Oct 2005 15:43:06 +0000
Subject: [PATCH] Return STATUS_INSUFFICIENT_BUFFER in
 SetupDiGetDeviceRegistryPropertyW if buffer for data was not specified. This
 is not the same behaviour as RegQueryValueExW which returns a success in this
 case...

svn path=/trunk/; revision=18772
---
 reactos/lib/setupapi/devinst.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/reactos/lib/setupapi/devinst.c b/reactos/lib/setupapi/devinst.c
index 587b45836b3..3c9c42568d2 100644
--- a/reactos/lib/setupapi/devinst.c
+++ b/reactos/lib/setupapi/devinst.c
@@ -2383,7 +2383,10 @@ BOOL WINAPI SetupDiGetDeviceRegistryPropertyW(
                     *RequiredSize = BufferSize;
                 switch(rc) {
                     case ERROR_SUCCESS:
-                        ret = TRUE;
+                        if (PropertyBuffer != NULL || BufferSize == 0)
+                            ret = TRUE;
+                        else
+                            SetLastError(ERROR_INSUFFICIENT_BUFFER);
                         break;
                     case ERROR_MORE_DATA:
                         SetLastError(ERROR_INSUFFICIENT_BUFFER);