New patch to review for coreboot: clear tpm when required

[Vadim Bendebury]

Vadim Bendebury ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16805

-gerrit

commit 55ed04c5ca382414d7bbebc6e2ab5ea8ef9440be
Author: Vadim Bendebury 
Date:   Wed Sep 28 18:59:39 2016 -0700

clear tpm when required

Function which invoked when TPM clear is requested was left empty,
    this patch fixes it.

BRANCH=gru
    BUG=chrome-os-partner:57411
    TEST=verified on a chromeos device that tpm is in fact cleared when
         CLEAR_TPM_OWNER_REQUEST is set by userland.

Change-Id: I4370792afd512309ecf7f4961ed4d44a04a3e2aa
    Signed-off-by: Vadim Bendebury 
---
 src/vboot/secdata_tpm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/vboot/secdata_tpm.c b/src/vboot/secdata_tpm.c
index a51e5d6..76b90ab 100644
--- a/src/vboot/secdata_tpm.c
+++ b/src/vboot/secdata_tpm.c
@@ -154,6 +154,7 @@ static uint32_t _factory_initialize_tpm(struct vb2_context *ctx)
 uint32_t tpm_clear_and_reenable(void)
 {
    VBDEBUG("TPM: Clear and re-enable\n");
+	RETURN_ON_FAILURE(tlcl_force_clear());
    return TPM_SUCCESS;
 }