From d2741c8680ebc4730fefe3050026f88cd76cc241 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Sun, 27 Sep 2020 16:51:59 -0500
Subject: [PATCH] Allow M524 between M23 and M24

---
 Marlin/src/gcode/sd/M524.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Marlin/src/gcode/sd/M524.cpp b/Marlin/src/gcode/sd/M524.cpp
index b27814cc38..089d2e2f0c 100644
--- a/Marlin/src/gcode/sd/M524.cpp
+++ b/Marlin/src/gcode/sd/M524.cpp
@@ -34,6 +34,8 @@ void GcodeSuite::M524() {
 
   if (IS_SD_PRINTING())
     card.flag.abort_sd_printing = true;
+  else if (card.isMounted())
+    card.closefile();
 
 }