From c26102b34ce3e4dac9510e1e59ba261ebbc1cd8d Mon Sep 17 00:00:00 2001
From: "Earle F. Philhower, III" <earlephilhower@yahoo.com>
Date: Fri, 25 Jan 2019 00:00:09 +0000
Subject: [PATCH] Release buffer/cache on SPIFFS.end() (#5651)

Releases the buffers allocated by the SPIFFS object when/if SPIFFS::end()
is called.
---
 cores/esp8266/spiffs_api.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cores/esp8266/spiffs_api.h b/cores/esp8266/spiffs_api.h
index 08f9eb879..4a32b8ec0 100644
--- a/cores/esp8266/spiffs_api.h
+++ b/cores/esp8266/spiffs_api.h
@@ -154,6 +154,9 @@ public:
             return;
         }
         SPIFFS_unmount(&_fs);
+        _workBuf.reset(nullptr);
+        _fdsBuf.reset(nullptr);
+        _cacheBuf.reset(nullptr);
     }
 
     bool format() override