函数源码

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source File:security\integrity\platform_certs\load_powerpc.c Create Date:2022-07-27 21:56:09
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#endif
 
#endif
#include "keyring_handler.h"
 
/*
 * Get a certificate list blob from the named secure variable.
 */
static __init void *get_cert_list(u8 *key, unsigned long keylen, uint64_t *size)
{
    int rc;
    void *db;
 
    rc = secvar_ops->get(key, keylen, NULL, size);
    if (rc) {
        pr_err("Couldn't get size: %d\n", rc);
        return NULL;
    }
 
    db = kmalloc(*size, GFP_KERNEL);
    if (!db)
        return NULL;
 
    rc = secvar_ops->get(key, keylen, db, size);
    if (rc) {
        kfree(db);
        pr_err("Error reading %s var: %d\n", key, rc);
        return NULL;
    }
 
    return db;
}