diff options
| author | Julius Werner <jwerner@chromium.org> | 2023-03-09 14:13:32 -0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-03-29 08:19:55 +0000 |
| commit | a335a46a56c0400eb9828a6850fcd68da20373fb (patch) | |
| tree | 92941c7138d27c1a502aae7f5f6dfd1494e3e7b5 | |
| parent | 261046a8ef60db39e1b8939857eeb48ffc761cb8 (diff) | |
| download | vboot-a335a46a56c0400eb9828a6850fcd68da20373fb.tar.gz | |
tpm2_lite: Treat NV_UNINITIALIZED error as BADINDEX for TPM 2.0
This patch ports the equivalent of CB:20299 to the vboot version of the
TPM library. This should fix a problem that was observed where a created
but not written FWMP space gets a device stuck in recovery mode.
BRANCH=none
BUG=b:272310645
TEST=none
Change-Id: If0ef6fdda879b45de0444cdaeb423d01ce109e2c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/4327074
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/4381009
Auto-Submit: Phoebe Wang <phoebewang@chromium.org>
Tested-by: Phoebe Wang <phoebewang@chromium.org>
Reviewed-by: Cheng Yueh <cyueh@chromium.org>
Commit-Queue: Cheng Yueh <cyueh@chromium.org>
| -rw-r--r-- | firmware/lib/tpm2_lite/tlcl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/firmware/lib/tpm2_lite/tlcl.c b/firmware/lib/tpm2_lite/tlcl.c index e81eb509..954717fe 100644 --- a/firmware/lib/tpm2_lite/tlcl.c +++ b/firmware/lib/tpm2_lite/tlcl.c @@ -525,6 +525,11 @@ uint32_t TlclRead(uint32_t index, void* data, uint32_t length) case TPM_SUCCESS: break; + /* + * 0x14a = RC_NV_UNINITIALIZED (space created but not written) + * 0x28b = RC_HANDLE(2) ("unknown handle" = space does not exist) + */ + case 0x14a: case 0x28b: return TPM_E_BADINDEX; |