From 74445c0aaa980f2afa508125d9aa3ab6bb39ef46 Mon Sep 17 00:00:00 2001
From: Stephan Hadinger <stephan.hadinger@gmail.com>
Date: Fri, 21 May 2021 09:02:24 +0200
Subject: [PATCH] LVGL fix crash in file system

---
 lib/libesp32_lvgl/LVGL/src/lv_misc/lv_fs.c | 4 +++-
 tasmota/xdrv_54_lvgl.ino                   | 1 -
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/libesp32_lvgl/LVGL/src/lv_misc/lv_fs.c b/lib/libesp32_lvgl/LVGL/src/lv_misc/lv_fs.c
index 6f66c765d..b7809d138 100644
--- a/lib/libesp32_lvgl/LVGL/src/lv_misc/lv_fs.c
+++ b/lib/libesp32_lvgl/LVGL/src/lv_misc/lv_fs.c
@@ -148,7 +148,9 @@ lv_fs_res_t lv_fs_close(lv_fs_file_t * file_p)
 
     lv_fs_res_t res = file_p->drv->close_cb(file_p->drv, file_p->file_d);
 
-    lv_mem_free(file_p->file_d); /*Clean up*/
+    if(file_p->drv->file_size != 0) {  /*Is file_d zero size?*/
+        lv_mem_free(file_p->file_d); /*Clean up*/
+    }
     file_p->file_d = NULL;
     file_p->drv    = NULL;
 
diff --git a/tasmota/xdrv_54_lvgl.ino b/tasmota/xdrv_54_lvgl.ino
index f52de88fe..24e0321af 100644
--- a/tasmota/xdrv_54_lvgl.ino
+++ b/tasmota/xdrv_54_lvgl.ino
@@ -219,7 +219,6 @@ static lv_fs_res_t lvbe_fs_open(lv_fs_drv_t * drv, void * file_p, const char * p
   // AddLog(LOG_LEVEL_INFO, "LVG: F=%*_H", sizeof(f), &f);
   if (f) {
     File * f_ptr = new File(f);                 // copy to dynamic object
-    *f_ptr = f;                                 // TODO is this necessary?
     *((File**)file_p) = f_ptr;
     return LV_FS_RES_OK;
   } else {