blob: 206d3b3560f0737869e0ff88219b4aa60966d7e4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
From 0ef932f509fd9f9215af2ea4ca2919d3285ddf60 Mon Sep 17 00:00:00 2001
From: Shiji Yang <yangshiji66@outlook.com>
Date: Thu, 24 Jul 2025 07:50:40 +0800
Subject: [PATCH 2/2] env: mtd: initialize saved_buf pointer
When sect_size is greater than CONFIG_ENV_SIZE, this wild
pointer will cause CPU halt or system crash.
Fixes: 03fb08d4aef8 ("env: Introduce support for MTD")
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
---
env/mtd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/env/mtd.c
+++ b/env/mtd.c
@@ -201,7 +201,7 @@ static int env_mtd_erase(void)
{
struct mtd_info *mtd_env;
u32 sect_size, sect_num;
- char *saved_buf, *tmp;
+ char *saved_buf = NULL, *tmp;
struct erase_info ei;
size_t ret_len;
int remaining;
|