From a4ae8564f7efc51f93521f3088eb025c34e69f09 Mon Sep 17 00:00:00 2001
From: david gauchard <gauchard@laas.fr>
Date: Mon, 27 May 2019 09:13:38 +0200
Subject: [PATCH] schedule: fix linked-list (per @dok-net review) (#6147)

---
 cores/esp8266/Schedule.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cores/esp8266/Schedule.cpp b/cores/esp8266/Schedule.cpp
index 29fbf7cde..4e6a0780e 100644
--- a/cores/esp8266/Schedule.cpp
+++ b/cores/esp8266/Schedule.cpp
@@ -120,10 +120,12 @@ void run_scheduled_functions()
         {
             if (toCall->mFunc())
             {
+                // function stays in list
                 lastRecurring = toCall;
             }
             else
             {
+                // function removed from list
                 InterruptLock lockAllInterruptsInThisScope;
 
                 if (sFirst == toCall)
@@ -137,6 +139,9 @@ void run_scheduled_functions()
                 recycle_fn_unsafe(toCall);
             }
         }
+        else
+            // function stays in list
+            lastRecurring = toCall;
     }
 
     fence = false;