PERFORCE change 18771 for review

[Robert Watson]

http://people.freebsd.org/~peter/p4db/chv.cgi?CH=18771

Change 18771 by rwatson at rwatson_tislabs on 2002/10/05 18:08:40

	Rather than do a redundant set of the requested protections
	if we've disable fs or vm checks in the mmap downgrade,
	actually just return without modifying the call-by-reference
	argument.

Affected files ...

.. //depot/projects/trustedbsd/mac/sys/kern/kern_mac.c#300 edit

Differences ...

==== //depot/projects/trustedbsd/mac/sys/kern/kern_mac.c#300 (text+ko) ====

@@ -2330,7 +2330,7 @@
 	ASSERT_VOP_LOCKED(vp, "mac_check_vnode_mmap_downgrade");
 
 	if (!mac_enforce_fs || !mac_enforce_vm)
-		*prot = result;
+		return;
 
 	MAC_PERFORM(check_vnode_mmap_downgrade, cred, vp, &vp->v_label,
 	    &result);
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