Re: [PATCH v5] tpm: Return the actual size when receiving an unsupported command

From: Jarkko Sakkinen
Date: Fri Jun 29 2018 - 07:31:21 EST


On Tue, Jun 26, 2018 at 05:31:45PM +0200, Ricardo Schwarzmeier wrote:
> The userpace expects to read the number of bytes stated in the header.
> Returning the size of the buffer instead would be unexpected.
> Fixes: 095531f891e6 ("tpm: return a TPM_RC_COMMAND_CODE response if command is not implemented")
>
> Signed-off-by: Ricardo Schwarzmeier <Ricardo.Schwarzmeier@xxxxxxxxxxxx>

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

/Jarkko