mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 17:18:59 +00:00
b4ae914037
They were backported to stable kernels but we backport more stuff on our own so we have to pick up few remaining. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
From b0576ade3aaf24b376ea1a4406ae138e2a22b0c0 Mon Sep 17 00:00:00 2001
|
|
From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
|
|
Date: Fri, 27 Jan 2023 10:40:06 +0000
|
|
Subject: [PATCH] nvmem: brcm_nvram: Add check for kzalloc
|
|
|
|
Add the check for the return value of kzalloc in order to avoid
|
|
NULL pointer dereference.
|
|
|
|
Fixes: 6e977eaa8280 ("nvmem: brcm_nvram: parse NVRAM content into NVMEM cells")
|
|
Cc: stable@vger.kernel.org
|
|
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
|
|
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
|
|
Link: https://lore.kernel.org/r/20230127104015.23839-2-srinivas.kandagatla@linaro.org
|
|
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
---
|
|
drivers/nvmem/brcm_nvram.c | 3 +++
|
|
1 file changed, 3 insertions(+)
|
|
|
|
--- a/drivers/nvmem/brcm_nvram.c
|
|
+++ b/drivers/nvmem/brcm_nvram.c
|
|
@@ -97,6 +97,9 @@ static int brcm_nvram_parse(struct brcm_
|
|
len = le32_to_cpu(header.len);
|
|
|
|
data = kzalloc(len, GFP_KERNEL);
|
|
+ if (!data)
|
|
+ return -ENOMEM;
|
|
+
|
|
memcpy_fromio(data, priv->base, len);
|
|
data[len - 1] = '\0';
|
|
|