From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Fri, 17 Aug 2018 06:39:30 +0000 (+0200)
Subject: reference: fix offset SD to include elapsed time
X-Git-Tag: 3.4-pre1~45
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1f2f173854e7e76ebf097830187708a17c9ecb6;p=thirdparty%2Fchrony.git

reference: fix offset SD to include elapsed time

This should slow down corrections based on old measurements with large
estimated error in frequency.
---

diff --git a/reference.c b/reference.c
index db68c06b..71737c88 100644
--- a/reference.c
+++ b/reference.c
@@ -985,6 +985,7 @@ REF_SetReference(int stratum,
 
   elapsed = UTI_DiffTimespecsToDouble(&now, ref_time);
   our_offset = offset + elapsed * frequency;
+  offset_sd += elapsed * frequency_sd;
 
   if (!is_offset_ok(our_offset))
     return;