From 2dc83c49edc6612195376551e64a1296670d4afb Mon Sep 17 00:00:00 2001
From: Mateusz Faderewski <sc@mateuszfaderewski.pl>
Date: Tue, 21 May 2024 18:06:57 +0200
Subject: [PATCH] Add additional check in fatfs_get_file_sectors

---
 src/flashcart/flashcart_utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/flashcart/flashcart_utils.c b/src/flashcart/flashcart_utils.c
index 3eb13605..cfc714da 100644
--- a/src/flashcart/flashcart_utils.c
+++ b/src/flashcart/flashcart_utils.c
@@ -51,7 +51,7 @@ bool fatfs_get_file_sectors (char *path, uint32_t *address, address_type_t type,
 
         uint32_t cluster = fil.clust;
 
-        if (cluster >= fs->n_fatent) {
+        if ((cluster < 2) || (cluster >= fs->n_fatent)) {
             error = true;
             break;
         }