From mboxrd@z Thu Jan  1 00:00:00 1970
From: Samuel Thibault <samuel.thibault@eu.citrix.com>
Subject: [PATCH] domain builder: Fix sp_extents allocation
Date: Thu, 31 Jul 2008 12:12:50 +0100
Message-ID: <20080731111250.GE4678@implementation.uk.xensource.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <xen-devel-bounces@lists.xensource.com>
Content-Disposition: inline
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

domain builder: Fix sp_extents allocation

We do not need more than count elements in the sp_extents array.

diff -r e355f9dce939 tools/libxc/xc_hvm_build.c
--- a/tools/libxc/xc_hvm_build.c	Wed Jul 30 17:20:25 2008 +0100
+++ b/tools/libxc/xc_hvm_build.c	Thu Jul 31 11:43:36 2008 +0100
@@ -229,7 +229,7 @@ static int setup_guest(int xc_handle,
         if ( ((count | cur_pages) & (SUPERPAGE_NR_PFNS - 1)) == 0 )
         {
             long done;
-            xen_pfn_t sp_extents[2048 >> SUPERPAGE_PFN_SHIFT];
+            xen_pfn_t sp_extents[count >> SUPERPAGE_PFN_SHIFT];
             struct xen_memory_reservation sp_req = {
                 .nr_extents   = count >> SUPERPAGE_PFN_SHIFT,
                 .extent_order = SUPERPAGE_PFN_SHIFT,