[src/trunk]: src/sys/kern Fix (invalid) gcc uninitialised warning with i386 g...

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

details:   https://anonhg.NetBSD.org/src/rev/236504b92a31
branches:  trunk
changeset: 372208:236504b92a31
user:      simonb <simonb%NetBSD.org@localhost>
date:      Mon Oct 31 09:14:18 2022 +0000

description:
Fix (invalid) gcc uninitialised warning with i386 gcc using -Os.

diffstat:

 sys/kern/subr_prf.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 8760718091b0 -r 236504b92a31 sys/kern/subr_prf.c
--- a/sys/kern/subr_prf.c       Mon Oct 31 04:50:12 2022 +0000
+++ b/sys/kern/subr_prf.c       Mon Oct 31 09:14:18 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_prf.c,v 1.195 2022/10/26 23:28:42 riastradh Exp $ */
+/*     $NetBSD: subr_prf.c,v 1.196 2022/10/31 09:14:18 simonb Exp $    */
 
 /*-
  * Copyright (c) 1986, 1988, 1991, 1993
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_prf.c,v 1.195 2022/10/26 23:28:42 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_prf.c,v 1.196 2022/10/31 09:14:18 simonb Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ddb.h"
@@ -402,6 +402,8 @@
        struct tty *ctp;
        int s;
 
+       ctp = NULL;     /* XXX gcc i386 -Os */
+
        /*
         * Ensure whatever constty points to can't go away while we're
         * trying to use it.