From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Tue, 5 Apr 2011 14:32:50 +0000 (+0200)
Subject: Don't update empty sourcestats on clock update
X-Git-Tag: 1.25-pre2~18
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=faec23f6bd3fdd6052e0140b1028df52cd823101;p=thirdparty%2Fchrony.git

Don't update empty sourcestats on clock update
---

diff --git a/sourcestats.c b/sourcestats.c
index 7a7d3e80..ec34b8db 100644
--- a/sourcestats.c
+++ b/sourcestats.c
@@ -619,6 +619,9 @@ SST_SlewSamples(SST_Stats inst, struct timeval *when, double dfreq, double doffs
   struct timeval *sample, prev;
   double prev_offset, prev_freq;
 
+  if (!inst->n_samples)
+    return;
+
   for (m = -inst->runs_samples; m < inst->n_samples; m++) {
     i = get_runsbuf_index(inst, m);
     sample = &(inst->sample_times[i]);