From d112ca439132a0729876c4554b4abfa35b55e062 Mon Sep 17 00:00:00 2001
From: Aleksey Bragin <aleksey@reactos.org>
Date: Sat, 11 Nov 2006 13:17:58 +0000
Subject: [PATCH] Make SystemConfigurationDataQueryRoutine() store information
 about as many drives as needed (previous version of the code did the same).

Fixes "no partitions list" bug in usetup introduced in 24718.

svn path=/trunk/; revision=24719
---
 reactos/base/setup/usetup/partlist.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/reactos/base/setup/usetup/partlist.c b/reactos/base/setup/usetup/partlist.c
index de4d0a0b687..477a20edf67 100644
--- a/reactos/base/setup/usetup/partlist.c
+++ b/reactos/base/setup/usetup/partlist.c
@@ -511,16 +511,16 @@ SystemConfigurationDataQueryRoutine(PWSTR ValueName,
 	for (i = 0; i < FullResourceDescriptor->PartialResourceList.Count; i++)
 	{
 		if (FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].Type != CmResourceTypeDeviceSpecific ||
-			FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize != sizeof(CM_INT13_DRIVE_PARAMETER))
+			FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize % sizeof(CM_INT13_DRIVE_PARAMETER) != 0)
 			continue;
 
-		*Int13Drives = RtlAllocateHeap(ProcessHeap, 0, sizeof(CM_INT13_DRIVE_PARAMETER));
+		*Int13Drives = RtlAllocateHeap(ProcessHeap, 0, FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize);
 		if (*Int13Drives == NULL)
 			return STATUS_NO_MEMORY;
 		memcpy(
 			*Int13Drives,
 			&FullResourceDescriptor->PartialResourceList.PartialDescriptors[i + 1],
-			sizeof(CM_INT13_DRIVE_PARAMETER));
+			FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize);
 		return STATUS_SUCCESS;
 	}
 	return STATUS_UNSUCCESSFUL;