1 files changed, 6 insertions, 2 deletions
diff --git a/mysys/thr_alarm.c b/mysys/thr_alarm.c
index 5d2ac8b0099..36bbac16fef 100644
--- a/mysys/thr_alarm.c
+++ b/mysys/thr_alarm.c
@@ -120,16 +120,20 @@ void init_thr_alarm(uint max_alarms)
   DBUG_VOID_RETURN;
 }
 
+
 void resize_thr_alarm(uint max_alarms)
 {
   pthread_mutex_lock(&LOCK_alarm);
-  /* it's ok not to shrink the queue sometimes */
+  /*
+    It's ok not to shrink the queue as there may be more pending alarms than
+    than max_alarms
+  */
   if (alarm_queue.elements < max_alarms)
     resize_queue(&alarm_queue,max_alarms+1);
   pthread_mutex_unlock(&LOCK_alarm);
-  return;
 }
 
+
 /*
   Request alarm after sec seconds.