From: Keir Fraser <keir.fraser@citrix.com>
Date: Fri, 6 Mar 2009 19:10:29 +0000 (+0000)
Subject: tboot: Fix return code for S3 integrity
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~13994^2~18
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=31e93ebbdd541a9b9bbb08089b663c1201a069d9;p=xen.git

tboot: Fix return code for S3 integrity

The original patch left in a debug return value from one of the memory
integrity checks.  This patch returns the correct error code in case of a
failure.  This was re-tested to ensure that it still passes for the
expected case.

Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
---

diff --git a/xen/arch/x86/tboot.c b/xen/arch/x86/tboot.c
index ed20e9951f..e259cd5da1 100644
--- a/xen/arch/x86/tboot.c
+++ b/xen/arch/x86/tboot.c
@@ -450,7 +450,7 @@ int tboot_s3_resume(void)
 
     tboot_gen_domain_integrity(g_tboot_shared->s3_key, &mac);
     if ( mac != domain_mac )
-        return 0; /* -3 */
+        return -3;
 
     return 0;
 }