Statsd: avoid doing a division by zero when calculating the percentile with an empty...

diff --git a/src/utils_latency.c b/src/utils_latency.c
index bfe91fd837dcf5061efa5793e88ff8f4d68bfcdd..7699f570721aa747240869f54a53a7144d081598 100644 (file)
--- a/src/utils_latency.c
+++ b/src/utils_latency.c
@@ -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. */