xnu-2782.40.9.tar.gz

[apple/xnu.git] / bsd / vfs / vfs_cache.c

diff --git a/bsd/vfs/vfs_cache.c b/bsd/vfs/vfs_cache.c
index a08ffe235607b3f6b9e37ecdc4f9e4f76bbea80d..1575aafea967f29df2c31facbde3e41d31f9cea4 100644 (file)
--- a/bsd/vfs/vfs_cache.c
+++ b/bsd/vfs/vfs_cache.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -342,8 +342,12 @@ again:
                         * and disallow further path construction
                         */
                        if ((vp->v_parent == NULLVP) && (rootvnode != vp)) {
-                               /* Only '/' is allowed to have a NULL parent pointer */
-                               ret = EINVAL;
+                               /*
+                                * Only '/' is allowed to have a NULL parent
+                                * pointer. Upper level callers should ideally
+                                * re-drive name lookup on receiving a ENOENT.
+                                */
+                               ret = ENOENT;
 
                                /* The code below will exit early if 'tvp = vp' == NULL */
                        }