From 13da4913c93fde782dde8c493191e02f68ab20ef Mon Sep 17 00:00:00 2001
From: Pengfei <zhupf321@gmail.com>
Date: Tue, 31 Aug 2021 15:35:14 +0800
Subject: [PATCH] Add a check in LoadPresetConfig

---
 src/core/importer.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/core/importer.cpp b/src/core/importer.cpp
index 6cee38e..c01623a 100644
--- a/src/core/importer.cpp
+++ b/src/core/importer.cpp
@@ -1207,6 +1207,12 @@ std::vector<Config> LoadPresetConfig(std::string mount_point) {
         if (!FileUtil::IsDirectory(nand_dir)) {
             return true;
         }
+        if (virtual_name != SysNANDName &&
+            virtual_name.substr(0, EmuNANDPrefix.size()) != EmuNANDPrefix) {
+
+            // Not a NAND folder
+            return true;
+        }
 
         Config::NandConfig config;
         config.nand_name = virtual_name;