[Xen-changelog] [xen-unstable] [IA64] dom0vp machtophys fix argument check

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

# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 59d4c1863330e2023b05043d450da39cda47bd5a
# Parent  795d31772505ac8f951a70c1ef39aaa09cda7f47
[IA64] dom0vp machtophys fix argument check

fix argument check of dom0vp machtophys hypercall. use valid_mfn()

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
 xen/arch/ia64/xen/dom0_ops.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 795d31772505 -r 59d4c1863330 xen/arch/ia64/xen/dom0_ops.c
--- a/xen/arch/ia64/xen/dom0_ops.c      Fri Jun 23 15:24:06 2006 -0600
+++ b/xen/arch/ia64/xen/dom0_ops.c      Fri Jun 23 15:26:01 2006 -0600
@@ -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;
         }

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