[src/trunk]: src/sys/kern gcc (with some options) eroneously claims we would ...

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

details:   https://anonhg.NetBSD.org/src/rev/f8f964fd83e8
branches:  trunk
changeset: 380022:f8f964fd83e8
user:      martin <martin%NetBSD.org@localhost>
date:      Thu Jul 01 15:53:20 2021 +0000

description:
gcc (with some options) eroneously claims we would use "vp" uninitialized,
so initialize it as NULL.

diffstat:

 sys/kern/vfs_vnops.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 040fce28cac5 -r f8f964fd83e8 sys/kern/vfs_vnops.c
--- a/sys/kern/vfs_vnops.c      Thu Jul 01 15:06:01 2021 +0000
+++ b/sys/kern/vfs_vnops.c      Thu Jul 01 15:53:20 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vfs_vnops.c,v 1.219 2021/07/01 04:25:51 christos Exp $ */
+/*     $NetBSD: vfs_vnops.c,v 1.220 2021/07/01 15:53:20 martin Exp $   */
 
 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_vnops.c,v 1.219 2021/07/01 04:25:51 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_vnops.c,v 1.220 2021/07/01 15:53:20 martin Exp $");
 
 #include "veriexec.h"
 
@@ -164,7 +164,7 @@ vn_open(struct vnode *at_dvp, struct pat
        struct vnode **ret_vp, bool *ret_domove, int *ret_fd)
 {
        struct nameidata nd;
-       struct vnode *vp;
+       struct vnode *vp = NULL;
        struct lwp *l = curlwp;
        kauth_cred_t cred = l->l_cred;
        struct vattr va;