[src/netbsd-8]: src/sys/kern Pull up following revision(s) (requested by dh i...

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

details:   https://anonhg.NetBSD.org/src/rev/b831d533c0c0
branches:  netbsd-8
changeset: 850820:b831d533c0c0
user:      martin <martin%NetBSD.org@localhost>
date:      Mon Jul 10 13:02:47 2017 +0000

description:
Pull up following revision(s) (requested by dh in ticket #116):
        sys/kern/vfs_lookup.c: revision 1.208
Fix vnode leak on error, introduced by the openat family changes in -r1.200.
>From mjg@freebsd.

diffstat:

 sys/kern/vfs_lookup.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 01db048b18a9 -r b831d533c0c0 sys/kern/vfs_lookup.c
--- a/sys/kern/vfs_lookup.c     Mon Jul 10 13:01:13 2017 +0000
+++ b/sys/kern/vfs_lookup.c     Mon Jul 10 13:02:47 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vfs_lookup.c,v 1.207 2017/06/01 02:45:13 chs Exp $     */
+/*     $NetBSD: vfs_lookup.c,v 1.207.2.1 2017/07/10 13:02:47 martin Exp $      */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_lookup.c,v 1.207 2017/06/01 02:45:13 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_lookup.c,v 1.207.2.1 2017/07/10 13:02:47 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_magiclinks.h"
@@ -673,8 +673,10 @@
        }
 
        /* NDAT may feed us with a non directory namei_getstartdir */
-       if (startdir->v_type != VDIR)
+       if (startdir->v_type != VDIR) {
+               vrele(startdir);
                return ENOTDIR;
+       }
 
        vn_lock(startdir, LK_EXCLUSIVE | LK_RETRY);