From ae4768cc6fd916cf4471ad4d3db125549e895a33 Mon Sep 17 00:00:00 2001
From: zhangran <911830982@qq.com>
Date: Thu, 22 Apr 2021 17:51:45 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90=E4=BC=98=E5=8C=96=E3=80=91=E8=AF=BB?=
 =?UTF-8?q?=E5=86=99=E6=8E=A5=E5=8F=A3=E6=BA=A2=E5=87=BA=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/fal_partition.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/fal_partition.c b/src/fal_partition.c
index 9aee41e..0d7abcd 100644
--- a/src/fal_partition.c
+++ b/src/fal_partition.c
@@ -411,7 +411,7 @@ int fal_partition_read(const struct fal_partition *part, uint32_t addr, uint8_t
     assert(part);
     assert(buf);
 
-    if (addr + size > part->len)
+    if (addr >= part->len || part->len - addr < size)
     {
         log_e("Partition read error! Partition address out of bound.");
         return -1;
@@ -452,7 +452,7 @@ int fal_partition_write(const struct fal_partition *part, uint32_t addr, const u
     assert(part);
     assert(buf);
 
-    if (addr + size > part->len)
+    if (addr >= part->len || part->len - addr < size)
     {
         log_e("Partition write error! Partition address out of bound.");
         return -1;
@@ -491,7 +491,7 @@ int fal_partition_erase(const struct fal_partition *part, uint32_t addr, size_t
 
     assert(part);
 
-    if (addr + size > part->len)
+    if (addr >= part->len || part->len - addr < size)
     {
         log_e("Partition erase error! Partition address out of bound.");
         return -1;