From 1ff1e1698ae950e25303566afcea838f8a3178f9 Mon Sep 17 00:00:00 2001
From: ache <ache@FreeBSD.org>
Date: Mon, 12 Dec 1994 05:43:28 +0000
Subject: Optimize setting of DISRTCSET

---
 sbin/adjkerntz/adjkerntz.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'sbin/adjkerntz')

diff --git a/sbin/adjkerntz/adjkerntz.c b/sbin/adjkerntz/adjkerntz.c
index 85584ac..7716f2a 100644
--- a/sbin/adjkerntz/adjkerntz.c
+++ b/sbin/adjkerntz/adjkerntz.c
@@ -212,8 +212,8 @@ again:
 		stz = &tz;
 	}
 
-	/* if init, don't touch RTC at all */
-	if (init) {
+	/* if init and something will be changed, don't touch RTC at all */
+	if (init && (stv != NULL || kern_offset != offset)) {
 		mib[0] = CTL_MACHDEP;
 		mib[1] = CPU_DISRTCSET;
 		len = sizeof(disrtcset);
-- 
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