From: Keir Fraser <keir.fraser@citrix.com>
Date: Wed, 22 Sep 2010 17:26:01 +0000 (+0100)
Subject: xsm: return unlabeled instead of failing with ENOENT in get_page_sid
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~11435
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22%22/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22%22?a=commitdiff_plain;h=f9b43436a82493421eee03e45ffd07c42e8cab05;p=xen.git

xsm: return unlabeled instead of failing with ENOENT in get_page_sid

It is better to return an unlabeled SID in the case where dsec is NULL
instead of bailing out with an error.

From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Keir Fraser <Keir.Fraser@eu.citrix.com>
---

diff --git a/xen/xsm/flask/hooks.c b/xen/xsm/flask/hooks.c
index c58f8d71b6..1b36a9e913 100644
--- a/xen/xsm/flask/hooks.c
+++ b/xen/xsm/flask/hooks.c
@@ -340,10 +340,7 @@ static int get_page_sid(struct page_info *page, u32 *sid)
         default:
             /*Pages are implicitly labeled by domain ownership!*/
             dsec = d->ssid;
-            if (dsec)
-                *sid = dsec->sid;
-            else
-                rc = -ENOENT;
+            *sid = dsec ? dsec->sid : SECINITSID_UNLABELED;
         break;
     }