From c2199941a3dcc64bcc74a6f1b46cf286c72dba2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= <hpoussin@reactos.org>
Date: Fri, 7 Oct 2005 15:47:17 +0000
Subject: [PATCH] Allocate memory even for NULL strings, as we must not return
 a NULL pointer

svn path=/trunk/; revision=18310
---
 reactos/drivers/bus/pci/pdo.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/reactos/drivers/bus/pci/pdo.c b/reactos/drivers/bus/pci/pdo.c
index 52128eadd4d..a56ddb781d1 100644
--- a/reactos/drivers/bus/pci/pdo.c
+++ b/reactos/drivers/bus/pci/pdo.c
@@ -107,8 +107,11 @@ PdoQueryId(
       break;
 
     case BusQueryInstanceID:
+      /* FIXME: RTL_DUPLICATE_UNICODE_STRING_ALLOCATE_NULL_STRING flag
+       * needs to be removed once PciCreateInstanceIDString is fixed
+       */
       Status = RtlDuplicateUnicodeString(
-        RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
+        RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE | RTL_DUPLICATE_UNICODE_STRING_ALLOCATE_NULL_STRING,
         &DeviceExtension->InstanceID,
         &String);