X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Futils_latency.c;h=7699f570721aa747240869f54a53a7144d081598;hb=cadc1d5581d3024f4c5ebb940cd49a0dec45c9d4;hp=94da2112ec1971410f9b54870b9694ac35388b84;hpb=c7c13abc4c3c72b9baf58dfeec059c9c71e815ea;p=collectd.git

diff --git a/src/utils_latency.c b/src/utils_latency.c
index 94da2112..7699f570 100644
--- a/src/utils_latency.c
+++ b/src/utils_latency.c
@@ -128,7 +128,7 @@ cdtime_t latency_counter_get_average (latency_counter_t *lc) /* {{{ */
 {
   double average;
 
-  if (lc == NULL)
+  if ((lc == NULL) || (lc->num == 0))
     return (0);
 
   average = CDTIME_T_TO_DOUBLE (lc->sum) / ((double) lc->num);
@@ -146,7 +146,7 @@ cdtime_t latency_counter_get_percentile (latency_counter_t *lc,
   int sum;
   size_t i;
 
-  if ((lc == NULL) || !((percent > 0.0) && (percent < 100.0)))
+  if ((lc == NULL) || (lc->num == 0) || !((percent > 0.0) && (percent < 100.0)))
     return (0);
 
   /* Find index i so that at least "percent" events are within i+1 ms. */