File 18488-microcode-free-fix.patch of Package xen

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1221569356 -3600
# Node ID f163138e33402ca565d9886df8ecb21e98f77be6
# Parent  879330497672d96ee966c9774d21c437895f6839
x86, microcode: Free microcode_info struct at end of hypercall.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

Index: xen-3.3.1-testing/xen/arch/x86/microcode.c
===================================================================
--- xen-3.3.1-testing.orig/xen/arch/x86/microcode.c
+++ xen-3.3.1-testing/xen/arch/x86/microcode.c
@@ -150,10 +150,13 @@ static long do_microcode_update(void *_i
         info->error = error;
 
     info->cpu = next_cpu(info->cpu, cpu_online_map);
-    if ( info->cpu >= NR_CPUS )
-        return info->error;
+    if ( info->cpu < NR_CPUS )
+        return continue_hypercall_on_cpu(info->cpu, do_microcode_update, info);
+
+    error = info->error;
+    xfree(info);
+    return error;
 
-    return continue_hypercall_on_cpu(info->cpu, do_microcode_update, info);
 }
 
 int microcode_update(XEN_GUEST_HANDLE(const_void) buf, unsigned long len)