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Fri, 9 Sep 2022 15:32:50 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AFD5E78064; Fri, 9 Sep 2022 15:32:49 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 9 Sep 2022 15:32:49 +0000 (GMT) From: Stefan Berger To: jarkko@kernel.org, linux-integrity@vger.kernel.org Cc: peterhuewe@gmx.de, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, skhan@linuxfoundation.org, Stefan Berger , Shuah Khan Subject: [PATCH] selftests: tpm2: Implement class desstructor to close file descriptor Date: Fri, 9 Sep 2022 11:20:56 -0400 Message-Id: <20220909152056.1335261-1-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: uBgP43LIeEsIw0QlRJAR-jQOm899RkpN X-Proofpoint-ORIG-GUID: K_4MA1wVvviQMNkflsxsgCsUvZOJ5Saa X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-09_08,2022-09-09_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 mlxscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1011 adultscore=0 suspectscore=0 priorityscore=1501 mlxlogscore=483 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209090053 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefan Berger Implement a class destructor to close the open TPM file descriptor and avoid the following error message: test_flush_context (tpm2_tests.SpaceTest) ... \ /usr/lib64/python3.6/unittest/case.py:605: ResourceWarning: \ unclosed file <_io.FileIO name='/dev/tpmrm0' mode='rb+' closefd=True> Fixes: 6ea3dfe1e0732 ("selftests: add TPM 2.0 tests") Cc: Shuah Khan Cc: linux-kselftest@vger.kernel.org Cc: Jarkko Sakkinen Signed-off-by: Stefan Berger --- tools/testing/selftests/tpm2/tpm2.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py index 057a4f49c79d..c7363c6764fc 100644 --- a/tools/testing/selftests/tpm2/tpm2.py +++ b/tools/testing/selftests/tpm2/tpm2.py @@ -371,6 +371,10 @@ class Client: fcntl.fcntl(self.tpm, fcntl.F_SETFL, flags) self.tpm_poll = select.poll() + def __del__(self): + if self.tpm: + self.tpm.close() + def close(self): self.tpm.close() -- 2.35.1