[Xen-changelog] [xen-4.1-testing] xsm/flask: Use correct flag to detect writable grant mappings

[Xen patchbot-4.1-testing <patchbot@xxxxxxx>]

# HG changeset patch
# User Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
# Date 1321969046 0
# Node ID db87ad0b5391b4b77643f6b095f445aca95ef705
# Parent  5e37c6f2e5c8f964d84e6fa3aab7fd6ef602cf63
xsm/flask: Use correct flag to detect writable grant mappings

The flags passed to xsm_grant_mapref are the flags from the map
operation (GNTMAP_*), not status flags (GTF_*).

Signed-off-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
Committed-by: Keir Fraser <keir@xxxxxxx>
xen-unstable changeset:   24176:0db9c1fc8213
xen-unstable date:        Tue Nov 22 13:29:01 2011 +0000
---


diff -r 5e37c6f2e5c8 -r db87ad0b5391 xen/xsm/flask/hooks.c
--- a/xen/xsm/flask/hooks.c     Tue Nov 22 13:36:52 2011 +0000
+++ b/xen/xsm/flask/hooks.c     Tue Nov 22 13:37:26 2011 +0000
@@ -278,7 +278,7 @@
 {
     u32 perms = GRANT__MAP_READ;
 
-    if ( flags & GTF_writing )
+    if ( !(flags & GNTMAP_readonly) )
         perms |= GRANT__MAP_WRITE;
 
     return domain_has_perm(d1, d2, SECCLASS_GRANT, perms);

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog