[LTP] [PATCH] ima: skip verifying TPM 2.0 PCR values

[Mimi Zohar]

TPM 1.2 exported the PCRs.  Reading the TPM 2.0 PCRs requires a
userspace application.  For now, skip this test.

Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
---
 testcases/kernel/security/integrity/ima/tests/ima_tpm.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/testcases/kernel/security/integrity/ima/tests/ima_tpm.sh b/testcases/kernel/security/integrity/ima/tests/ima_tpm.sh
index 0ffc3c02247d..ebe4b4c360e4 100755
--- a/testcases/kernel/security/integrity/ima/tests/ima_tpm.sh
+++ b/testcases/kernel/security/integrity/ima/tests/ima_tpm.sh
@@ -88,6 +88,14 @@ test2()
 	tst_res TINFO "verify PCR values"
 	tst_check_cmds evmctl
 
+	local tpm_description="/sys/class/tpm/tpm0/device/description"
+	if [ -f "$tpm_description" ]; then
+		if grep -q "^\TPM 2.0" $tpm_description; then
+			tst_res TCONF "TPM 2.0 enabled, but not supported"
+			return 0
+		fi
+	fi
+
 	tst_res TINFO "evmctl version: $(evmctl --version)"
 
 	local pcrs_path="/sys/class/tpm/tpm0/device/pcrs"
-- 
2.7.5