From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/tools/thermal/tmon/sysfs.c | 35 ++++++++++++++---------------------
1 files changed, 14 insertions(+), 21 deletions(-)
diff --git a/kernel/tools/thermal/tmon/sysfs.c b/kernel/tools/thermal/tmon/sysfs.c
index 18f5235..cb1108b 100644
--- a/kernel/tools/thermal/tmon/sysfs.c
+++ b/kernel/tools/thermal/tmon/sysfs.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* sysfs.c sysfs ABI access functions for TMON program
*
* Copyright (C) 2013 Intel Corporation. All rights reserved.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 or later as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
* Author: Jacob Pan <jacob.jun.pan@linux.intel.com>
- *
*/
#include <unistd.h>
#include <stdio.h>
@@ -22,6 +13,7 @@
#include <stdint.h>
#include <dirent.h>
#include <libintl.h>
+#include <limits.h>
#include <ctype.h>
#include <time.h>
#include <syslog.h>
@@ -42,9 +34,9 @@
{
FILE *fd;
int ret = -1;
- char filepath[256];
+ char filepath[PATH_MAX + 2]; /* NUL and '/' */
- snprintf(filepath, 256, "%s/%s", path, filename);
+ snprintf(filepath, sizeof(filepath), "%s/%s", path, filename);
fd = fopen(filepath, "w");
if (!fd) {
@@ -66,9 +58,9 @@
{
FILE *fd;
int ret = -1;
- char filepath[256];
+ char filepath[PATH_MAX + 2]; /* NUL and '/' */
- snprintf(filepath, 256, "%s/%s", path, filename);
+ snprintf(filepath, sizeof(filepath), "%s/%s", path, filename);
fd = fopen(filepath, "r");
if (!fd) {
@@ -85,9 +77,9 @@
{
FILE *fd;
int ret = -1;
- char filepath[256];
+ char filepath[PATH_MAX + 2]; /* NUL and '/' */
- snprintf(filepath, 256, "%s/%s", path, filename);
+ snprintf(filepath, sizeof(filepath), "%s/%s", path, filename);
fd = fopen(filepath, "r");
if (!fd) {
@@ -208,8 +200,8 @@
{
unsigned long trip_instance = 0;
char cdev_name_linked[256];
- char cdev_name[256];
- char cdev_trip_name[256];
+ char cdev_name[PATH_MAX];
+ char cdev_trip_name[PATH_MAX];
int cdev_id;
if (nl->d_type == DT_LNK) {
@@ -222,7 +214,8 @@
return -EINVAL;
}
/* find the link to real cooling device record binding */
- snprintf(cdev_name, 256, "%s/%s", tz_name, nl->d_name);
+ snprintf(cdev_name, sizeof(cdev_name) - 2, "%s/%s",
+ tz_name, nl->d_name);
memset(cdev_name_linked, 0, sizeof(cdev_name_linked));
if (readlink(cdev_name, cdev_name_linked,
sizeof(cdev_name_linked) - 1) != -1) {
@@ -235,8 +228,8 @@
/* find the trip point in which the cdev is binded to
* in this tzone
*/
- snprintf(cdev_trip_name, 256, "%s%s", nl->d_name,
- "_trip_point");
+ snprintf(cdev_trip_name, sizeof(cdev_trip_name) - 1,
+ "%s%s", nl->d_name, "_trip_point");
sysfs_get_ulong(tz_name, cdev_trip_name,
&trip_instance);
/* validate trip point range, e.g. trip could return -1
--
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