[src/trunk]: src/sys/kern Initialize the in/out parameter vmin.

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

details:   https://anonhg.NetBSD.org/src/rev/122c569ccd45
branches:  trunk
changeset: 827214:122c569ccd45
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Fri Oct 20 19:06:46 2017 +0000

description:
Initialize the in/out parameter vmin.

vmin is only an optional hint since we're not passing UVM_FLAG_FIXED,
but that doesn't mean we should use uninitialized stack garbage as
the hint.

Noted by chs@.

diffstat:

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

diffs (27 lines):

diff -r c63c9a05d588 -r 122c569ccd45 sys/kern/kern_exec.c
--- a/sys/kern/kern_exec.c      Fri Oct 20 14:48:43 2017 +0000
+++ b/sys/kern/kern_exec.c      Fri Oct 20 19:06:46 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_exec.c,v 1.448 2017/10/20 14:48:43 riastradh Exp $        */
+/*     $NetBSD: kern_exec.c,v 1.449 2017/10/20 19:06:46 riastradh Exp $        */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -59,7 +59,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.448 2017/10/20 14:48:43 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.449 2017/10/20 19:06:46 riastradh Exp $");
 
 #include "opt_exec.h"
 #include "opt_execfmt.h"
@@ -1821,7 +1821,7 @@
 
        if (init_boot) {
                /* do one-time initializations */
-               vaddr_t vmin, vmax;
+               vaddr_t vmin = 0, vmax;
 
                rw_init(&exec_lock);
                mutex_init(&sigobject_lock, MUTEX_DEFAULT, IPL_NONE);