From a1f2f173854e7e76ebf097830187708a17c9ecb6 Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Fri, 17 Aug 2018 08:39:30 +0200
Subject: [PATCH] reference: fix offset SD to include elapsed time

This should slow down corrections based on old measurements with large
estimated error in frequency.
---
 reference.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/reference.c b/reference.c
index db68c06..71737c8 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;