[src/trunk]: src/sys/kern In cwdinit(), if there isn't a cdir vnode yet, don'...

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

details:   https://anonhg.NetBSD.org/src/rev/e4232d57f735
branches:  trunk
changeset: 481198:e4232d57f735
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Mon Jan 24 17:57:34 2000 +0000

description:
In cwdinit(), if there isn't a cdir vnode yet, don't VREF() it.

diffstat:

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

diffs (19 lines):

diff -r eee04d5e41ae -r e4232d57f735 sys/kern/kern_descrip.c
--- a/sys/kern/kern_descrip.c   Mon Jan 24 17:52:24 2000 +0000
+++ b/sys/kern/kern_descrip.c   Mon Jan 24 17:57:34 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_descrip.c,v 1.62 1999/12/08 18:53:56 sommerfeld Exp $     */
+/*     $NetBSD: kern_descrip.c,v 1.63 2000/01/24 17:57:34 thorpej Exp $        */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1991, 1993
@@ -746,7 +746,8 @@
        cwdi = pool_get(&cwdi_pool, PR_WAITOK);
 
        cwdi->cwdi_cdir = p->p_cwdi->cwdi_cdir;
-       VREF(cwdi->cwdi_cdir);
+       if (cwdi->cwdi_cdir)
+               VREF(cwdi->cwdi_cdir);
        cwdi->cwdi_rdir = p->p_cwdi->cwdi_rdir;
        if (cwdi->cwdi_rdir)
                VREF(cwdi->cwdi_rdir);