File 5239a076-VMX-fix-failure-path-in-construct_vmcs.patch of Package xen

# Commit dad7e45bf44c0569546a3ed7d0fa4182a4a73f0a
# Date 2013-09-18 14:45:42 +0200
# Author George Dunlap <george.dunlap@eu.citrix.com>
# Committer Jan Beulich <jbeulich@suse.com>
VMX: fix failure path in construct_vmcs

If the allocation fails, make sure to call vmx_vmcs_exit().

This is a candidate for backport.

Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Signed-off-by: Mukesh Rathor <mukesh.rathor@oracle.com>

--- a/xen/arch/x86/hvm/vmx/vmcs.c
+++ b/xen/arch/x86/hvm/vmx/vmcs.c
@@ -894,7 +894,10 @@ static int construct_vmcs(struct vcpu *v
         unsigned long *msr_bitmap = alloc_xenheap_page();
 
         if ( msr_bitmap == NULL )
+        {
+            vmx_vmcs_exit(v);
             return -ENOMEM;
+        }
 
         memset(msr_bitmap, ~0, PAGE_SIZE);
         v->arch.hvm_vmx.msr_bitmap = msr_bitmap;