Messages in this thread | | | Date | Wed, 21 Sep 2022 20:59:41 +0300 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH v2] selftest: tpm2: Add Client.__del__() to close /dev/tpm* handle |
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On Tue, Sep 20, 2022 at 09:15:18AM -0400, Stefan Berger wrote: > 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 <shuah@kernel.org> > Cc: linux-kselftest@vger.kernel.org > Cc: Jarkko Sakkinen <jarkko@kernel.org> > Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> > > --- > 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() > > -- > 2.36.1 >
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
BR, Jarkko
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