From: Ravi Sahita <ravi.sahita@intel.com>
Date: Wed, 29 Jul 2015 16:40:06 +0000 (-0700)
Subject: x86/p2m.c: fix missed off-by-one in altp2m commit
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~2661
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=32524961873fd9dda50a71d46cd2d74ddbd8035a;p=xen.git

x86/p2m.c: fix missed off-by-one in altp2m commit

Signed-off-by: Ravi Sahita <ravi.sahita@intel.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c
index ff8be31f46..667b4c2f59 100644
--- a/xen/arch/x86/mm/p2m.c
+++ b/xen/arch/x86/mm/p2m.c
@@ -2076,7 +2076,7 @@ bool_t p2m_switch_vcpu_altp2m_by_id(struct vcpu *v, unsigned int idx)
     struct domain *d = v->domain;
     bool_t rc = 0;
 
-    if ( idx > MAX_ALTP2M )
+    if ( idx >= MAX_ALTP2M )
         return rc;
 
     altp2m_list_lock(d);