From 457761f060fb60fee1665da87ee1facd1f401cfb Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Sat, 19 Dec 2015 18:28:12 +0000
Subject: [PATCH] Don't spam stats reports if the system clock jumps.

---
 dump1090.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dump1090.c b/dump1090.c
index 8df3059..b53a00b 100644
--- a/dump1090.c
+++ b/dump1090.c
@@ -810,6 +810,10 @@ void backgroundTasks(void) {
             reset_stats(&Modes.stats_periodic);
 
             next_stats_display += Modes.stats;
+            if (next_stats_display <= now) {
+                /* something has gone wrong, perhaps the system clock jumped */
+                next_stats_display = now + Modes.stats;
+            }
         }
     }