key_payload_reserve
return key_payload_reserve(key, FSCRYPT_MAX_RAW_KEY_SIZE);
extern int key_payload_reserve(struct key *key, size_t datalen);
key_payload_reserve(key, 0);
ret = key_payload_reserve(key, prep->datalen);
ret = key_payload_reserve(key, payload_datalen + datablob_len
ret = key_payload_reserve(key, prep->quotalen);
EXPORT_SYMBOL(key_payload_reserve);
ret = key_payload_reserve(keyring,
key_payload_reserve(keyring,
key_payload_reserve(keyring, keyring->datalen - KEYQUOTA_LINK_BYTES);
key_payload_reserve(keyring, 0);
key_payload_reserve(keyring, 0);
ret = key_payload_reserve(key, sizeof(*p));
ret = key_payload_reserve(key, prep->datalen);
key_payload_reserve(key, 0);