Re: [PATCH 1/3 v2] tpm: Change response length of tpm2_get_capability()

On Thu, 5 Nov 2020 at 14:58, Ilias Apalodimas ilias.apalodimas@linaro.org wrote:

For implementing the EFI_TCG2_PROTOCOL we need the count field returned by the TPM when reading capabilities via tpm2_get_capability().

Adjust the implementation of the 'tpm2 get_capability' command accordingly.

Suggested-by: Heinrich Schuchardt xypron.glpk@gmx.de Signed-off-by: Ilias Apalodimas ilias.apalodimas@linaro.org

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Changes since v1:

• Unconditionally get the extra 4 bytes on the response and account for them in do_tpm_get_capability()

cmd/tpm-v2.c | 4 ++-- lib/tpm-v2.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-)

Reviewed-by: Simon Glass sjg@chromium.org