425 	struct key *mkey = ERR_PTR(-EINVAL);  in request_master_key()  local
429 		mkey = request_trusted_key(epayload->master_desc +  in request_master_key()
434 		mkey = request_user_key(epayload->master_desc +  in request_master_key()
440 	if (IS_ERR(mkey)) {  in request_master_key()
441 		int ret = PTR_ERR(mkey);  in request_master_key()
454 	return mkey;  in request_master_key()
663 	struct key *mkey;  in encrypted_key_decrypt()  local
693 	mkey = request_master_key(epayload, &master_key, &master_keylen);  in encrypted_key_decrypt()
694 	if (IS_ERR(mkey))  in encrypted_key_decrypt()
695 		return PTR_ERR(mkey);  in encrypted_key_decrypt()
711 	up_read(&mkey->sem);  in encrypted_key_decrypt()
712 	key_put(mkey);  in encrypted_key_decrypt()
909 	struct key *mkey;  in encrypted_read()  local
927 	mkey = request_master_key(epayload, &master_key, &master_keylen);  in encrypted_read()
928 	if (IS_ERR(mkey))  in encrypted_read()
929 		return PTR_ERR(mkey);  in encrypted_read()
949 	up_read(&mkey->sem);  in encrypted_read()
950 	key_put(mkey);  in encrypted_read()
959 	up_read(&mkey->sem);  in encrypted_read()
960 	key_put(mkey);  in encrypted_read()