[PATCH] Kernel selftests: tpm2: check for tpm support

[PATCH] Kernel selftests: tpm2: check for tpm support

[Nikita Sobolev]

tpm2 tests set fails if there is no /dev/tpm0 and /dev/tpmrm0
supported. Check if these files exist before run and mark test as
skipped in case of absence.

Signed-off-by: Nikita Sobolev <Nikita.Sobolev@synopsys.com>
---
 tools/testing/selftests/tpm2/test_smoke.sh | 13 +++++++++++--
 tools/testing/selftests/tpm2/test_space.sh |  9 ++++++++-
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
index 8155c2ea7ccb..b630c7b5950a 100755
--- a/tools/testing/selftests/tpm2/test_smoke.sh
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -1,8 +1,17 @@
 #!/bin/bash
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+self.flags = flags
 
-python -m unittest -v tpm2_tests.SmokeTest
-python -m unittest -v tpm2_tests.AsyncTest
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+
+if [ -f /dev/tpm0 ] ; then
+	python -m unittest -v tpm2_tests.SmokeTest
+	python -m unittest -v tpm2_tests.AsyncTest
+else
+	exit $ksft_skip
+fi
 
 CLEAR_CMD=$(which tpm2_clear)
 if [ -n $CLEAR_CMD ]; then
diff --git a/tools/testing/selftests/tpm2/test_space.sh b/tools/testing/selftests/tpm2/test_space.sh
index a6f5e346635e..180b469c53b4 100755
--- a/tools/testing/selftests/tpm2/test_space.sh
+++ b/tools/testing/selftests/tpm2/test_space.sh
@@ -1,4 +1,11 @@
 #!/bin/bash
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 
-python -m unittest -v tpm2_tests.SpaceTest
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+if [ -f /dev/tpmrm0 ] ; then
+	python -m unittest -v tpm2_tests.SpaceTest
+else
+	exit $ksft_skip
+fi
-- 
2.16.2


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