Statsd: avoid doing a division by zero when calculating the average if we didn't...

diff --git a/src/utils_latency.c b/src/utils_latency.c
index 96ce8e31e64c4289a7f2c0fd8ce11e8765fb3fed..470fbb8dac01fcd069b5668d288b7cca5a75f771 100644 (file)
--- a/src/utils_latency.c
+++ b/src/utils_latency.c
@@ -209,7 +209,7 @@ 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);