[Xen-changelog] [xen-unstable] [MINI-OS] Fix a bug which prevented map_frames being used more than once.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User sos22@xxxxxxxxxxxxxxxxxxxx
# Node ID cc991d9953d217366c16c979746445cfc59351d1
# Parent  bbabdebc54ada9b72889eb6a66dfed1d73801825
[MINI-OS] Fix a bug which prevented map_frames being used more than once.
Found by John D. Ramsdell <ramsdell@xxxxxxxxx>

Signed-off-by: Steven Smith <sos22@xxxxxxxxx>
---
 extras/mini-os/mm.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r bbabdebc54ad -r cc991d9953d2 extras/mini-os/mm.c
--- a/extras/mini-os/mm.c       Wed Jul 19 21:13:36 2006 +0100
+++ b/extras/mini-os/mm.c       Tue Jul 25 10:59:02 2006 +0100
@@ -687,7 +687,7 @@ void *map_frames(unsigned long *f, unsig
     /* Find a run of n contiguous frames */
     for (x = 0; x <= 1024 - n; x += y + 1) {
         for (y = 0; y < n; y++)
-            if (demand_map_pgt[y] & _PAGE_PRESENT)
+            if (demand_map_pgt[x+y] & _PAGE_PRESENT)
                 break;
         if (y == n)
             break;

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