392 	struct skcipher_request *req;  in init_skcipher_req()  local
410 	req = skcipher_request_alloc(tfm, GFP_KERNEL);  in init_skcipher_req()
411 	if (!req) {  in init_skcipher_req()
418 	skcipher_request_set_callback(req, 0, NULL, NULL);  in init_skcipher_req()
419 	return req;  in init_skcipher_req()
465 	struct skcipher_request *req;  in derived_key_encrypt()  local
472 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_encrypt()
473 	ret = PTR_ERR(req);  in derived_key_encrypt()
474 	if (IS_ERR(req))  in derived_key_encrypt()
487 	skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, iv);  in derived_key_encrypt()
488 	ret = crypto_skcipher_encrypt(req);  in derived_key_encrypt()
489 	tfm = crypto_skcipher_reqtfm(req);  in derived_key_encrypt()
490 	skcipher_request_free(req);  in derived_key_encrypt()
567 	struct skcipher_request *req;  in derived_key_decrypt()  local
579 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_decrypt()
580 	ret = PTR_ERR(req);  in derived_key_decrypt()
581 	if (IS_ERR(req))  in derived_key_decrypt()
593 	skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, iv);  in derived_key_decrypt()
594 	ret = crypto_skcipher_decrypt(req);  in derived_key_decrypt()
595 	tfm = crypto_skcipher_reqtfm(req);  in derived_key_decrypt()
596 	skcipher_request_free(req);  in derived_key_decrypt()