From: Juergen Perlinger <perlinger@ntp.org>
Date: Sun, 19 Feb 2012 08:29:05 +0000 (+0100)
Subject: [bug 2143] do not process data if quality indication says 'not good' to avoid glitches
X-Git-Tag: NTP_4_2_7P258~3^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b95804b8fc5360dbc2660b62b518af178126b28e;p=thirdparty%2Fntp.git

[bug 2143] do not process data if quality indication says 'not good' to avoid glitches

bk: 4f40b2d1RDhgJQlwsOXUV_DPR-7ySA
---

diff --git a/ntpd/refclock_nmea.c b/ntpd/refclock_nmea.c
index 51c875013..af8c68c4f 100644
--- a/ntpd/refclock_nmea.c
+++ b/ntpd/refclock_nmea.c
@@ -917,7 +917,12 @@ nmea_receive(
 		refclock_report(peer, CEVNT_BADDATE);
 		return;
 	}
-	
+	/* check clock sanity; [bug 2143] */
+	if (pp->leap == LEAP_NOTINSYNC) {	/* no good status? */
+		refclock_report(peer, CEVNT_BADREPLY);
+		return;
+	}
+
 	DPRINTF(1, ("%s effective timecode: %04u-%02u-%02u %02d:%02d:%02d\n",
 		refnumtoa(&peer->srcadr),
 		date.year, date.month, date.monthday,