From 567e5fe61cbc25c7c94bdb36302efb604a4a1d52 Mon Sep 17 00:00:00 2001
From: tholo <tholo@openbsd.org>
Date: Sat, 1 Mar 1997 23:03:38 +0000
Subject: [PATCH] Don't dereference a vnode pointer that is NULL

---
 sys/kern/vfs_lookup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c
index 7d3da31ddfa..217f0b273df 100644
--- a/sys/kern/vfs_lookup.c
+++ b/sys/kern/vfs_lookup.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vfs_lookup.c,v 1.5 1996/11/06 06:51:45 tholo Exp $	*/
+/*	$OpenBSD: vfs_lookup.c,v 1.6 1997/03/01 23:03:38 tholo Exp $	*/
 /*	$NetBSD: vfs_lookup.c,v 1.17 1996/02/09 19:00:59 christos Exp $	*/
 
 /*
@@ -181,7 +181,7 @@ namei(ndp)
 			/*
 			 * Check for directory if dironly
 			 */
-			if (dironly && ndp->ni_vp->v_type != VDIR) {
+			if (dironly && ndp->ni_vp != NULL && ndp->ni_vp->v_type != VDIR) {
 				if ((cnp->cn_flags & LOCKPARENT) && ndp->ni_pathlen == 1)
 					VOP_UNLOCK(ndp->ni_dvp);
 				vput(ndp->ni_vp);
-- 
2.20.1