[cgutman] 53328: [HAL] - Fix the length calculation for the resource requirements list

Author: cgutman
Date: Fri Aug 19 22:00:48 2011
New Revision: 53328

URL: http://svn.reactos.org/svn/reactos?rev=53328&view=rev
Log:
[HAL]
- Fix the length calculation for the resource requirements list

Modified:
    trunk/reactos/hal/halx86/generic/acpi/halacpi.c

Modified: trunk/reactos/hal/halx86/generic/acpi/halacpi.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/hal/halx86/generic/acpi/ha…
==============================================================================
--- trunk/reactos/hal/halx86/generic/acpi/halacpi.c [iso-8859-1] (original)
+++ trunk/reactos/hal/halx86/generic/acpi/halacpi.c [iso-8859-1] Fri Aug 19 22:00:48 2011
@@ -983,8 +983,8 @@
     HalpAcpiDetectResourceListSize(&Count);
     
     /* Compute size of the list and allocate it */
-    ListSize = sizeof(IO_RESOURCE_LIST) * (Count - 1) +
-               sizeof(IO_RESOURCE_REQUIREMENTS_LIST);
+    ListSize = FIELD_OFFSET(IO_RESOURCE_REQUIREMENTS_LIST, List[0].Descriptors) +
+               ((Count - 1) * sizeof(IO_RESOURCE_DESCRIPTOR));
     RequirementsList = ExAllocatePoolWithTag(PagedPool, ListSize, ' laH');
     if (RequirementsList)
     {