The root dispersion calculation incorrectly stopped using the peer dispersion

term when testing the acceptability of a NTP sever.

This has been reported as NTP community bug 3093

This patch may be removed when upgrading to a version of NTP with that bug

fixed.

--- ntpd/ntp_proto.c

+++ ntpd/ntp_proto.c

@@ -4338,7 +4338,7 @@ peer_unfit(

* plus the increment due to one host poll interval.

*/

if ( !(peer->flags & FLAG_REFCLOCK)

- && root_distance(peer) >= sys_maxdist

+ && (root_distance(peer) + peer->disp) >= sys_maxdist

+ clock_phi * ULOGTOD(peer->hpoll))

rval |= TEST11; /* distance exceeded */