Messages in this thread Patch in this message | | | Subject | [PATCH 1/2] selftests: tpm2: Open tpm dev in unbuffered mode | From | Tadeusz Struk <> | Date | Tue, 05 Feb 2019 12:28:33 -0800 |
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In order to have control over how many bytes are read or written the device needs to be opened in unbuffered mode.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> --- tools/testing/selftests/tpm2/tpm2.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py index 40ea95ce2ead..c2b9f2b1a0ac 100644 --- a/tools/testing/selftests/tpm2/tpm2.py +++ b/tools/testing/selftests/tpm2/tpm2.py @@ -357,9 +357,9 @@ class Client: self.flags = flags if (self.flags & Client.FLAG_SPACE) == 0: - self.tpm = open('/dev/tpm0', 'r+b') + self.tpm = open('/dev/tpm0', 'r+b', buffering=0) else: - self.tpm = open('/dev/tpmrm0', 'r+b') + self.tpm = open('/dev/tpmrm0', 'r+b', buffering=0) def close(self): self.tpm.close()
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