[src/trunk]: src/sys/kern fill_cwd() Drop GETCWD_CHECK_ACCESS

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

details:   https://anonhg.NetBSD.org/src/rev/9bbe2b65462c
branches:  trunk
changeset: 451724:9bbe2b65462c
user:      kamil <kamil%NetBSD.org@localhost>
date:      Sat Jun 01 00:19:43 2019 +0000

description:
fill_cwd() Drop GETCWD_CHECK_ACCESS

This additional check is not needed and actually prevents from checking
the path. This follows the protection rules of /proc/*/cwd.

diffstat:

 sys/kern/kern_proc.c |  7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diffs (35 lines):

diff -r d07c7bc431d2 -r 9bbe2b65462c sys/kern/kern_proc.c
--- a/sys/kern/kern_proc.c      Fri May 31 23:19:38 2019 +0000
+++ b/sys/kern/kern_proc.c      Sat Jun 01 00:19:43 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_proc.c,v 1.230 2019/05/31 23:19:38 kamil Exp $    */
+/*     $NetBSD: kern_proc.c,v 1.231 2019/06/01 00:19:43 kamil Exp $    */
 
 /*-
  * Copyright (c) 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.230 2019/05/31 23:19:38 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.231 2019/06/01 00:19:43 kamil Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_kstack.h"
@@ -2594,7 +2594,6 @@
        struct cwdinfo *cwdi;
        struct vnode *vp;
        size_t len, lenused;
-       const int flags = GETCWD_CHECK_ACCESS;
 
        if ((error = proc_find_locked(l, &p, pid)) != 0)
                return error;
@@ -2615,7 +2614,7 @@
        cwdi = p->p_cwdi;
        rw_enter(&cwdi->cwdi_lock, RW_READER);
        vp = cwdi->cwdi_cdir;
-       error = getcwd_common(vp, NULL, &bp, path, len/2, flags, l);
+       error = getcwd_common(vp, NULL, &bp, path, len/2, 0, l);
        rw_exit(&cwdi->cwdi_lock);
 
        if (error)