Re: [PATCH] tpm: Start the tpm2 before running a self test.

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Dear Hermin,


Thank you for your patch.

It’d be great if you removed the dot/period from the end of the commit message summary/title.

Am 22.11.23 um 07:55 schrieb Hermin Anggawijaya:
Before sending a command to attempt the self test, the TPM
may need to be started, otherwise the self test returns
TPM2_RC_INITIALIZE value causing a log as follows:
"tpm tpm0: A TPM error (256) occurred attempting the self test".

Please document on what platform this happens.

Signed-off-by: Hermin Anggawijaya <hermin.anggawijaya@xxxxxxxxxxxxxxxxxxx>
---
  drivers/char/tpm/tpm2-cmd.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 93545be190a5..0530f3b5f86a 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -737,15 +737,15 @@ int tpm2_auto_startup(struct tpm_chip *chip)
  	if (rc)
  		goto out;
+ rc = tpm2_startup(chip);
+	if (rc && rc != TPM2_RC_INITIALIZE)
+		goto out;
+
  	rc = tpm2_do_selftest(chip);
  	if (rc && rc != TPM2_RC_INITIALIZE)
  		goto out;
if (rc == TPM2_RC_INITIALIZE) {
-		rc = tpm2_startup(chip);
-		if (rc)
-			goto out;
-
  		rc = tpm2_do_selftest(chip);
  		if (rc)
  			goto out;


Kind regards,

Paul




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