From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Date: Thu, 1 Sep 2016 23:36:58 +0000 (+0300)
Subject: tpm: invalid self test error message
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4a29b3484f857ff350f203a2d9bf3b428c9e0bf2;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

tpm: invalid self test error message

The driver emits invalid self test error message even though the init
succeeds.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Fixes: cae8b441fc20 ("tpm: Factor out common startup code")
Reviewed-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
---

diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 08c7e23ed535..0c75c3f1689f 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -957,7 +957,7 @@ int tpm2_auto_startup(struct tpm_chip *chip)
 		goto out;
 
 	rc = tpm2_do_selftest(chip);
-	if (rc != TPM2_RC_INITIALIZE) {
+	if (rc != 0 && rc != TPM2_RC_INITIALIZE) {
 		dev_err(&chip->dev, "TPM self test failed\n");
 		goto out;
 	}
@@ -974,7 +974,6 @@ int tpm2_auto_startup(struct tpm_chip *chip)
 		}
 	}
 
-	return rc;
 out:
 	if (rc > 0)
 		rc = -ENODEV;