From patchwork Sat Oct 22 07:26:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 617592 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28E35C433FE for ; Sat, 22 Oct 2022 10:58:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229588AbiJVK6O (ORCPT ); Sat, 22 Oct 2022 06:58:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230446AbiJVK5x (ORCPT ); Sat, 22 Oct 2022 06:57:53 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC14C319B88; Sat, 22 Oct 2022 03:16:35 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id A3E46CE2CB3; Sat, 22 Oct 2022 07:59:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 609DBC433D6; Sat, 22 Oct 2022 07:59:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666425548; bh=X1wE11PrAAWw40XctTtBRMrMg9csj3krl4R38bk5NqQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pnufLew+vBVIRbhblDTV5C8t1OhIkXxHDh703gR1UrZDT5Z+YWHuBAkFeE0Q7LmGP NiSJGA2FzvpcDA96TcQz1j2pQlJssvEnfpM6LIz2HapvTPOLg67pKfr7HdRHyyl3uE P7ITTgN3v7Ll5NnKZ/uGa7NOnEZmFOaOGiqtxmUQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shuah Khan , linux-kselftest@vger.kernel.org, Jarkko Sakkinen , Stefan Berger , Sasha Levin Subject: [PATCH 5.19 538/717] selftest: tpm2: Add Client.__del__() to close /dev/tpm* handle Date: Sat, 22 Oct 2022 09:26:57 +0200 Message-Id: <20221022072522.125914615@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221022072415.034382448@linuxfoundation.org> References: <20221022072415.034382448@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org From: Stefan Berger [ Upstream commit 2d869f0b458547386fbcd8cf3004b271b7347b7f ] The following output can bee seen when the test is executed: 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> An instance of Client does not implicitly close /dev/tpm* handle, once it gets destroyed. Close the file handle in the class destructor Client.__del__(). 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 Reviewed-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen Signed-off-by: Sasha Levin --- 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()