[Xen-changelog] [xen-3.2-testing] x86_emulate: Fix FNSTCW/FNSTSW modrm range check.

["Xen patchbot-3.2-testing" <patchbot-3.2-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1204733649 0
# Node ID 46f1d5c4003023efdc3365139c8bc4defa9428c4
# Parent  590f8fee8dab5b7b764234534957c6032b2295af
x86_emulate: Fix FNSTCW/FNSTSW modrm range check.
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
xen-unstable changeset:   17120:76479f25cdac507f35cf703d46fdd00026dd4dc3
xen-unstable date:        Tue Feb 26 14:46:07 2008 +0000
---
 xen/arch/x86/x86_emulate.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 590f8fee8dab -r 46f1d5c40030 xen/arch/x86/x86_emulate.c
--- a/xen/arch/x86/x86_emulate.c        Wed Mar 05 16:13:45 2008 +0000
+++ b/xen/arch/x86/x86_emulate.c        Wed Mar 05 16:14:09 2008 +0000
@@ -2671,7 +2671,7 @@ x86_emulate(
         fail_if(ops->load_fpu_ctxt == NULL);
         ops->load_fpu_ctxt(ctxt);
         fail_if((modrm_reg & 7) != 7);
-        fail_if(modrm_reg >= 0xc0);
+        fail_if(modrm >= 0xc0);
         /* fnstcw m2byte */
         ea.bytes = 2;
         dst = ea;
@@ -2690,7 +2690,7 @@ x86_emulate(
         fail_if(ops->load_fpu_ctxt == NULL);
         ops->load_fpu_ctxt(ctxt);
         fail_if((modrm_reg & 7) != 7);
-        fail_if(modrm_reg >= 0xc0);
+        fail_if(modrm >= 0xc0);
         /* fnstsw m2byte */
         ea.bytes = 2;
         dst = ea;

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