[src/trunk]: src/sys/nfs Update NFS errno mapping and add assert for correctness

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

details:   https://anonhg.NetBSD.org/src/rev/6b5bf523839e
branches:  trunk
changeset: 970014:6b5bf523839e
user:      mgorny <mgorny%NetBSD.org@localhost>
date:      Sun Mar 08 22:12:42 2020 +0000

description:
Update NFS errno mapping and add assert for correctness

Add the mapping for errno values missing in nfsrv_v2errmap[].  While
at it, add a compile-time assert to make sure that the array does not
become out-of-date again.

diffstat:

 sys/nfs/nfs_subs.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (41 lines):

diff -r 0542d34f3925 -r 6b5bf523839e sys/nfs/nfs_subs.c
--- a/sys/nfs/nfs_subs.c        Sun Mar 08 22:11:48 2020 +0000
+++ b/sys/nfs/nfs_subs.c        Sun Mar 08 22:12:42 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nfs_subs.c,v 1.237 2020/02/24 20:18:53 ad Exp $        */
+/*     $NetBSD: nfs_subs.c,v 1.238 2020/03/08 22:12:42 mgorny Exp $    */
 
 /*
  * Copyright (c) 1989, 1993
@@ -70,7 +70,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_subs.c,v 1.237 2020/02/24 20:18:53 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_subs.c,v 1.238 2020/03/08 22:12:42 mgorny Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_nfs.h"
@@ -207,7 +207,7 @@
  * Use NFSERR_IO as the catch all for ones not specifically defined in
  * RFC 1094.
  */
-static const u_char nfsrv_v2errmap[ELAST] = {
+static const u_char nfsrv_v2errmap[] = {
   NFSERR_PERM, NFSERR_NOENT,   NFSERR_IO,      NFSERR_IO,      NFSERR_IO,
   NFSERR_NXIO, NFSERR_IO,      NFSERR_IO,      NFSERR_IO,      NFSERR_IO,
   NFSERR_IO,   NFSERR_IO,      NFSERR_ACCES,   NFSERR_IO,      NFSERR_IO,
@@ -224,8 +224,12 @@
   NFSERR_NOTEMPTY, NFSERR_IO,  NFSERR_IO,      NFSERR_DQUOT,   NFSERR_STALE,
   NFSERR_IO,   NFSERR_IO,      NFSERR_IO,      NFSERR_IO,      NFSERR_IO,
   NFSERR_IO,   NFSERR_IO,      NFSERR_IO,      NFSERR_IO,      NFSERR_IO,
-  NFSERR_IO,   NFSERR_IO,
+  NFSERR_IO,   NFSERR_IO,      NFSERR_IO,      NFSERR_IO,      NFSERR_IO,
+  NFSERR_IO,   NFSERR_IO,      NFSERR_IO,      NFSERR_IO,      NFSERR_IO,
+  NFSERR_IO,   NFSERR_IO,      NFSERR_IO,      NFSERR_IO,      NFSERR_IO,
+  NFSERR_IO,   NFSERR_IO,      NFSERR_IO
 };
+__CTASSERT(__arraycount(nfsrv_v2errmap) == ELAST);
 
 /*
  * Maps errno values to nfs error numbers.