# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Node ID 424d5f06fe8ba0c9b25d67584a14bc2b232cb410
# Parent  ecf1472982e1c2b502b4f4515d780a8ad435ef5c
fix argument check of dom0vp machtophys hypercall. use valid_mfn()
PATCHNAME: use_valid_mfn_in_dom0vp_machtophys_hypercall

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r ecf1472982e1 -r 424d5f06fe8b xen/arch/ia64/xen/dom0_ops.c
--- a/xen/arch/ia64/xen/dom0_ops.c	Fri Jun 23 10:51:45 2006 +0900
+++ b/xen/arch/ia64/xen/dom0_ops.c	Fri Jun 23 10:51:46 2006 +0900
@@ -256,7 +256,7 @@ do_dom0vp_op(unsigned long cmd,
         }
         break;
     case IA64_DOM0VP_machtophys:
-        if (max_page <= arg0) {
+        if (!mfn_valid(arg0)) {
             ret = INVALID_M2P_ENTRY;
             break;
         }