From e489b08bc1d1682e62d65054c9a724c0ea75ac87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Kristan?= <blaz@kristan-sp.si>
Date: Thu, 9 Dec 2021 13:01:22 +0100
Subject: [PATCH] Possible double JSON use bugfix.

---
 wled00/playlist.cpp | 2 +-
 wled00/wled.h       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/wled00/playlist.cpp b/wled00/playlist.cpp
index 47725417f..1e9d472d1 100644
--- a/wled00/playlist.cpp
+++ b/wled00/playlist.cpp
@@ -119,7 +119,7 @@ int16_t loadPlaylist(JsonObject playlistObj, byte presetId) {
 
 void handlePlaylist() {
   static unsigned long presetCycledTime = 0;
-  if (currentPlaylist < 0 || playlistEntries == nullptr) return;
+  if (currentPlaylist < 0 || playlistEntries == nullptr || fileDoc != nullptr) return;
 
   if (millis() - presetCycledTime > (100*playlistEntryDur)) {
     presetCycledTime = millis();
diff --git a/wled00/wled.h b/wled00/wled.h
index 4cace88a9..19be1f4d7 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -570,7 +570,7 @@ WLED_GLOBAL uint16_t olen _INIT(0);
 WLED_GLOBAL size_t fsBytesUsed _INIT(0);
 WLED_GLOBAL size_t fsBytesTotal _INIT(0);
 WLED_GLOBAL unsigned long presetsModifiedTime _INIT(0L);
-WLED_GLOBAL JsonDocument* fileDoc;
+WLED_GLOBAL volatile JsonDocument* fileDoc;
 WLED_GLOBAL bool doCloseFile _INIT(false);
 
 // presets