[src/ad-namecache]: src/sys/kern Add a comment.

[ad <ad%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8870c6bb8453
branches:  ad-namecache
changeset: 850548:8870c6bb8453
user:      ad <ad%NetBSD.org@localhost>
date:      Fri Jan 24 16:05:37 2020 +0000

description:
Add a comment.

diffstat:

 sys/kern/vfs_lookup.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 4b9a691af885 -r 8870c6bb8453 sys/kern/vfs_lookup.c
--- a/sys/kern/vfs_lookup.c     Fri Jan 24 16:05:22 2020 +0000
+++ b/sys/kern/vfs_lookup.c     Fri Jan 24 16:05:37 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vfs_lookup.c,v 1.212.4.7 2020/01/23 21:23:56 ad Exp $  */
+/*     $NetBSD: vfs_lookup.c,v 1.212.4.8 2020/01/24 16:05:37 ad Exp $  */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_lookup.c,v 1.212.4.7 2020/01/23 21:23:56 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_lookup.c,v 1.212.4.8 2020/01/24 16:05:37 ad Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_magiclinks.h"
@@ -1324,6 +1324,7 @@
 
                /* Scored a hit.  Negative is good too (ENOENT). */
                if (foundobj == NULL) {
+                       /* XXXAD need to handle -o union mount. */
                        error = ENOENT;
                        break;
                }