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/*
* Copyright (C) 2016 IBM Corporation
*
* Authors:
* Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
* Mimi Zohar <zohar@linux.vnet.ibm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "ima.h"
/*
* Restore the measurement list from the previous kernel.
*/
void ima_load_kexec_buffer(void)
{
void *kexec_buffer = NULL;
size_t kexec_buffer_size = 0;
int rc;
rc = ima_get_kexec_buffer(&kexec_buffer, &kexec_buffer_size);
switch (rc) {
case 0:
rc = ima_restore_measurement_list(kexec_buffer_size,
kexec_buffer);
if (rc != 0)
pr_err("Failed to restore the measurement list: %d\n",
rc);
ima_free_kexec_buffer();
break;
case -ENOTSUPP:
pr_debug("Restoring the measurement list not supported\n");
break;
case -ENOENT:
pr_debug("No measurement list to restore\n");
break;
default:
pr_debug("Error restoring the measurement list: %d\n", rc);
}
}
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