62 	size_t datalen = prep->datalen;  in big_key_preparse()  local
63 	size_t enclen = datalen + CHACHA20POLY1305_AUTHTAG_SIZE;  in big_key_preparse()
66 	if (datalen <= 0 || datalen > 1024 * 1024 || !prep->data)  in big_key_preparse()
72 	prep->payload.data[big_key_len] = (void *)(unsigned long)datalen;  in big_key_preparse()
74 	if (datalen > BIG_KEY_FILE_THRESHOLD) {  in big_key_preparse()
99 		chacha20poly1305_encrypt(buf, prep->data, datalen, NULL, 0,  in big_key_preparse()
128 		void *data = kmalloc(datalen, GFP_KERNEL);  in big_key_preparse()
134 		memcpy(data, prep->data, prep->datalen);  in big_key_preparse()
153 	if (prep->datalen > BIG_KEY_FILE_THRESHOLD) {  in big_key_free_preparse()
181 	size_t datalen = (size_t)key->payload.data[big_key_len];  in big_key_destroy()  local
183 	if (datalen > BIG_KEY_FILE_THRESHOLD) {  in big_key_destroy()
201 	ret = key_payload_reserve(key, prep->datalen);  in big_key_update()
216 	size_t datalen = (size_t)key->payload.data[big_key_len];  in big_key_describe()  local
222 			   datalen,  in big_key_describe()
223 			   datalen > BIG_KEY_FILE_THRESHOLD ? "file" : "buff");  in big_key_describe()
232 	size_t datalen = (size_t)key->payload.data[big_key_len];  in big_key_read()  local
235 	if (!buffer || buflen < datalen)  in big_key_read()
236 		return datalen;  in big_key_read()
238 	if (datalen > BIG_KEY_FILE_THRESHOLD) {  in big_key_read()
242 		size_t enclen = datalen + CHACHA20POLY1305_AUTHTAG_SIZE;  in big_key_read()
268 		ret = datalen;  in big_key_read()
271 		memcpy(buffer, buf, datalen);  in big_key_read()
279 		ret = datalen;  in big_key_read()
280 		memcpy(buffer, key->payload.data[big_key_data], datalen);  in big_key_read()