From: Owen Smith <owen.smith@citrix.com>
Date: Thu, 11 Jun 2015 11:30:29 +0000 (+0100)
Subject: Calculate size of DEVICE_RELATIONS
X-Git-Tag: 8.1.0-rc1~22
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=b78b024a2f60fd201ae933990f0df66a78eb53a3;p=pvdrivers%2Fwin%2Fxenvbd.git

Calculate size of DEVICE_RELATIONS

Signed-off-by: Owen Smith <owen.smith@citrix.com>
---

diff --git a/src/xendisk/fdo.c b/src/xendisk/fdo.c
index 154400f..e261b7a 100644
--- a/src/xendisk/fdo.c
+++ b/src/xendisk/fdo.c
@@ -885,7 +885,7 @@ FdoQueryDeviceRelations(
          ListEntry = ListEntry->Flink)
         Count++;
 
-    Size = FIELD_OFFSET(DEVICE_RELATIONS, Objects) + (sizeof (DEVICE_OBJECT) * __min(Count, 1));
+    Size = sizeof(DEVICE_RELATIONS) + (sizeof (PDEVICE_OBJECT) * Count);
 
     Relations = ExAllocatePoolWithTag(PagedPool, Size, 'TLIF');