[Xen-devel] [PATCH] domain builder: Fix sp_extents allocation

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

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,

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