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Subject: [PATCH =v2 3/3] tpm: selftest: cleanup after unseal with wrong
 auth/policy test
From:   Tadeusz Struk <tadeusz.struk@intel.com>
To:     jarkko.sakkinen@linux.intel.com
Cc:     tadeusz.struk@intel.com, peterz@infradead.org,
        linux-kernel@vger.kernel.org, jgg@ziepe.ca, mingo@redhat.com,
        jeffrin@rajagiritech.edu.in, linux-integrity@vger.kernel.org,
        will@kernel.org, peterhuewe@gmx.de
Date:   Thu, 12 Dec 2019 09:48:59 -0800
Message-ID: <157617293957.8172.1404790695313599409.stgit@tstruk-mobl1>
In-Reply-To: <157617292787.8172.9586296287013438621.stgit@tstruk-mobl1>
References: <157617292787.8172.9586296287013438621.stgit@tstruk-mobl1>
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Unseal with wrong auth or wrong policy test affects DA lockout
and eventually causes the tests to fail with:
"ProtocolError: TPM_RC_LOCKOUT: rc=0x00000921"
when the tests run multiple times.
Send tpm clear command after the test to reset the DA counters.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
---
 tools/testing/selftests/tpm2/test_smoke.sh |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
index cb54ab637ea6..8155c2ea7ccb 100755
--- a/tools/testing/selftests/tpm2/test_smoke.sh
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -3,3 +3,8 @@
 
 python -m unittest -v tpm2_tests.SmokeTest
 python -m unittest -v tpm2_tests.AsyncTest
+
+CLEAR_CMD=$(which tpm2_clear)
+if [ -n $CLEAR_CMD ]; then
+	tpm2_clear -T device
+fi