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-rw-r--r--xen/xsm/flask/hooks.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/xen/xsm/flask/hooks.c b/xen/xsm/flask/hooks.c
index b2bf4023f1..c58f8d71b6 100644
--- a/xen/xsm/flask/hooks.c
+++ b/xen/xsm/flask/hooks.c
@@ -340,7 +340,10 @@ static int get_page_sid(struct page_info *page, u32 *sid)
default:
/*Pages are implicitly labeled by domain ownership!*/
dsec = d->ssid;
- *sid = dsec->sid;
+ if (dsec)
+ *sid = dsec->sid;
+ else
+ rc = -ENOENT;
break;
}