From: Harlan Stenn <stenn@ntp.org>
Date: Fri, 20 Oct 2006 04:44:54 +0000 (-0400)
Subject: refclock_wwv.c fix from Dave Mills
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4575f89bf8ae9b3b633db6b866a5ff3f2f7283d;p=thirdparty%2Fntp.git

refclock_wwv.c fix from Dave Mills

bk: 45385446EkqQLObLeQO9XH38ArhI4g
---

diff --git a/ntpd/refclock_wwv.c b/ntpd/refclock_wwv.c
index 9a13079841..b7e0d9a6b1 100644
--- a/ntpd/refclock_wwv.c
+++ b/ntpd/refclock_wwv.c
@@ -764,6 +764,9 @@ wwv_shutdown(
 
 	pp = peer->procptr;
 	up = (struct wwvunit *)pp->unitptr;
+	if (up == NULL)
+		return;
+
 	io_closeclock(&pp->io);
 #ifdef ICOM
 	if (up->fd_icom > 0)