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()
670 	struct key *mkey;  in encrypted_key_decrypt()  local
700 	mkey = request_master_key(epayload, &master_key, &master_keylen);  in encrypted_key_decrypt()
701 	if (IS_ERR(mkey))  in encrypted_key_decrypt()
702 		return PTR_ERR(mkey);  in encrypted_key_decrypt()
718 	up_read(&mkey->sem);  in encrypted_key_decrypt()
719 	key_put(mkey);  in encrypted_key_decrypt()
916 	struct key *mkey;  in encrypted_read()  local
934 	mkey = request_master_key(epayload, &master_key, &master_keylen);  in encrypted_read()
935 	if (IS_ERR(mkey))  in encrypted_read()
936 		return PTR_ERR(mkey);  in encrypted_read()
956 	up_read(&mkey->sem);  in encrypted_read()
957 	key_put(mkey);  in encrypted_read()
966 	up_read(&mkey->sem);  in encrypted_read()
967 	key_put(mkey);  in encrypted_read()