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 154400f4830ff0d08c70ee4cfe01b0eb57b383d1..e261b7ac06dd3b7d958d750216e41d4b465d8a13 100644 (file)
--- 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');