From 498c01889f882dfd956cb6f657e01ae91b70986f Mon Sep 17 00:00:00 2001
From: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Date: Mon, 7 Feb 2022 07:44:11 +0100
Subject: [PATCH] spiFlash: fix overflow test (#172)

---
 src/spiFlash.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/spiFlash.cpp b/src/spiFlash.cpp
index 0decf19..13b5946 100644
--- a/src/spiFlash.cpp
+++ b/src/spiFlash.cpp
@@ -258,7 +258,7 @@ int SPIFlash::erase_and_prog(int base_addr, uint8_t *data, int len)
 	/* if known chip */
 	if (_flash_model) {
 		/* check if offset + len fit in flash */
-		if ((unsigned int)(base_addr + len) > (_flash_model->nr_sector * 0x10000) - 1) {
+		if ((unsigned int)(base_addr + len) > (_flash_model->nr_sector * 0x10000)) {
 			printError("flash overflow");
 			return -1;
 		}