[src/trunk]: src/sys/kern ts2timo(9): further deobfuscation.

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

details:   https://anonhg.NetBSD.org/src/rev/333bd6309157
branches:  trunk
changeset: 960397:333bd6309157
user:      nia <nia%NetBSD.org@localhost>
date:      Thu Mar 18 12:37:51 2021 +0000

description:
ts2timo(9): further deobfuscation.

we want to check against NULL, so use it, rather than some random value on
the stack

diffstat:

 sys/kern/subr_time.c |  10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)

diffs (35 lines):

diff -r cd3c0885635f -r 333bd6309157 sys/kern/subr_time.c
--- a/sys/kern/subr_time.c      Thu Mar 18 11:53:16 2021 +0000
+++ b/sys/kern/subr_time.c      Thu Mar 18 12:37:51 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_time.c,v 1.26 2021/03/18 11:53:16 nia Exp $       */
+/*     $NetBSD: subr_time.c,v 1.27 2021/03/18 12:37:51 nia Exp $       */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_time.c,v 1.26 2021/03/18 11:53:16 nia Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_time.c,v 1.27 2021/03/18 12:37:51 nia Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -327,15 +327,11 @@
     int *timo, struct timespec *start)
 {
        int error;
-       struct timespec tsd;
 
        if (ts->tv_nsec < 0 || ts->tv_nsec >= 1000000000L)
                return EINVAL;
 
-       if (start == NULL)
-               start = &tsd;
-
-       if (flags != TIMER_RELTIME || start != &tsd) {
+       if (flags != TIMER_RELTIME || start != NULL) {
                error = clock_gettime1(clock_id, start);
                if (error != 0)
                        return error;