[src/trunk]: src/sys/fs/nilfs Revert previous, it was a false positive.

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

details:   https://anonhg.NetBSD.org/src/rev/2cab1608113d
branches:  trunk
changeset: 336026:2cab1608113d
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Feb 07 10:40:57 2015 +0000

description:
Revert previous, it was a false positive.

In nilfs_mount_device() there's one branch where the node is not released:
when the device is already mounted. Not releasing it was thus intentional,
but this is something code scanners can't understand.

diffstat:

 sys/fs/nilfs/nilfs_vfsops.c |  8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diffs (30 lines):

diff -r 5688163e11c8 -r 2cab1608113d sys/fs/nilfs/nilfs_vfsops.c
--- a/sys/fs/nilfs/nilfs_vfsops.c       Sat Feb 07 09:59:47 2015 +0000
+++ b/sys/fs/nilfs/nilfs_vfsops.c       Sat Feb 07 10:40:57 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: nilfs_vfsops.c,v 1.19 2015/02/07 04:25:16 christos Exp $ */
+/* $NetBSD: nilfs_vfsops.c,v 1.20 2015/02/07 10:40:57 maxv Exp $ */
 
 /*
  * Copyright (c) 2008, 2009 Reinoud Zandijk
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__KERNEL_RCSID(0, "$NetBSD: nilfs_vfsops.c,v 1.19 2015/02/07 04:25:16 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nilfs_vfsops.c,v 1.20 2015/02/07 10:40:57 maxv Exp $");
 #endif /* not lint */
 
 
@@ -879,10 +879,8 @@
 #endif
 
        error = nilfs_mount_device(devvp, mp, args, &nilfsdev);
-       if (error) {
-               vrele(devvp);
+       if (error)
                return error;
-       }
 
        /*
         * Create a nilfs_mount on the specified checkpoint. Note that only