From 5a0d6270be5784f79c3ccc49b1129c4ba5d4e4f3 Mon Sep 17 00:00:00 2001
From: henning <>
Date: Mon, 15 Jan 2007 19:58:49 +0000
Subject: [PATCH] the new sensors tre can give us the number of sensors per
 type. With this patch, we give up without bothering sysctl
 kern_sensors.c::sensor_find() unless we know for sure that timedelta sensor
 is present. From: "Constantine A. Murenin" <cnst+openbsd@bugmail.mojo.ru>

---
 src/usr.sbin/ntpd/sensors.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/usr.sbin/ntpd/sensors.c b/src/usr.sbin/ntpd/sensors.c
index 1058a341..79f6da92 100644
--- a/src/usr.sbin/ntpd/sensors.c
+++ b/src/usr.sbin/ntpd/sensors.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sensors.c,v 1.30 2007/01/15 08:19:11 otto Exp $ */
+/*	$OpenBSD: sensors.c,v 1.31 2007/01/15 19:58:49 henning Exp $ */
 
 /*
  * Copyright (c) 2006 Henning Brauer <henning@openbsd.org>
@@ -76,6 +76,10 @@ sensor_probe(int devid, char *dxname, struct sensor *sensor)
 			log_warn("sensor_probe sysctl");
 		return (0);
 	}
+
+	if (sensordev.maxnumt[SENSOR_TIMEDELTA] == 0)
+		return (0);
+
 	strlcpy(dxname, sensordev.xname, MAXDEVNAMLEN);
 
 	slen = sizeof(*sensor);