PERFORCE change 18401 for review

Robert Watson rwatson at freebsd.org
Mon Sep 30 20:42:41 GMT 2002


http://people.freebsd.org/~peter/p4db/chv.cgi?CH=18401

Change 18401 by rwatson at rwatson_curry on 2002/09/30 13:41:51

	Initialize MAC label after releasing the vnode interlock
	but before sharing the vnode reference with other potential
	consumers.  This prevents sleeping while holding the interlock.

Affected files ...

.. //depot/projects/trustedbsd/mac/sys/kern/vfs_subr.c#38 edit

Differences ...

==== //depot/projects/trustedbsd/mac/sys/kern/vfs_subr.c#38 (text+ko) ====

@@ -990,14 +990,14 @@
 	vp->v_tag = tag;
 	vp->v_op = vops;
 	lockinit(&vp->v_lock, PVFS, "vnlock", VLKTIMEOUT, LK_NOPAUSE);
-#ifdef MAC
-	mac_init_vnode(vp);
-#endif
 	*vpp = vp;
 	vp->v_usecount = 1;
 	vp->v_data = 0;
 	vp->v_cachedid = -1;
 	VI_UNLOCK(vp);
+#ifdef MAC
+	mac_init_vnode(vp);
+#endif
 	insmntque(vp, mp);
 
 	return (0);
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