You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
kernel_samsung_sm7125/security/samsung/dsms/dsms_init.c

70 lines
1.5 KiB

/*
* Copyright (c) 2018-2021 Samsung Electronics Co., Ltd. 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
* as published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/module.h>
#include "dsms_init.h"
#include "dsms_kernel_api.h"
#include "dsms_netlink.h"
#include "dsms_preboot_buffer.h"
#include "dsms_rate_limit.h"
#include "dsms_test.h"
static int is_dsms_initialized_flag = false;
int dsms_is_initialized(void)
{
return is_dsms_initialized_flag;
}
__visible_for_testing int __kunit_init dsms_init(void)
{
int ret = 0;
DSMS_LOG_DEBUG("Starting.");
if (is_dsms_initialized_flag) {
DSMS_LOG_ERROR("Reinitialization attempt ignored.");
goto exit_ret;
}
ret = dsms_rate_limit_init();
if (ret != 0)
goto exit_ret;
ret = dsms_netlink_init();
if (ret != 0)
goto exit_rate_limit;
ret = dsms_preboot_buffer_init();
if (ret != 0)
goto exit_netlink;
is_dsms_initialized_flag = true;
goto exit_ret;
exit_netlink:
dsms_netlink_exit();
exit_rate_limit:
dsms_rate_limit_exit();
exit_ret:
if (ret == 0)
DSMS_LOG_INFO("Started.");
else
DSMS_LOG_ERROR("Failed to start.");
return ret;
}
__visible_for_testing void __kunit_exit dsms_exit(void)
{
DSMS_LOG_DEBUG("Exiting.");
if (is_dsms_initialized_flag) {
is_dsms_initialized_flag = false;
dsms_preboot_buffer_exit();
dsms_netlink_exit();
dsms_rate_limit_exit();
}
DSMS_LOG_INFO("Exited.");
}
module_init(dsms_init);
module_exit(dsms_exit);