From c07ca14e203e19169ffe0e259a3a4dfa35c9e4fc Mon Sep 17 00:00:00 2001
From: cyberman54 <cyberman@obh.snafu.de>
Date: Mon, 14 Nov 2022 14:40:08 +0100
Subject: [PATCH] fix crash if SD enabled but not inserted and sleep

---
 src/sdcard.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/sdcard.cpp b/src/sdcard.cpp
index 54414233..6e92190e 100644
--- a/src/sdcard.cpp
+++ b/src/sdcard.cpp
@@ -216,6 +216,8 @@ void sdcard_flush(void) {
 }
 
 void sdcard_close(void) {
+  if (!useSDCard)
+    return;
   ESP_LOGI(TAG, "closing SD-card");
   sdcard_flush();
 #ifdef SD_LOGGING