linux-kernel - Re: [PATCH v4] tpm: Return the actual size when receiving an unsupported command

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Message-ID: <09e36b0d97b5f01ea5925b5a3031198049714ce8.camel@linux.intel.com>
Date:   Mon, 25 Jun 2018 19:07:23 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Ricardo Schwarzmeier <Ricardo.Schwarzmeier@...ineon.com>,
        linux-integrity@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, peterhuewe@....de, jgg@...pe.ca,
        arnd@...db.de, gregkh@...uxfoundation.org
Subject: Re: [PATCH v4] tpm: Return the actual size when receiving an
 unsupported command

On Fri, 2018-06-22 at 08:50 +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@...ineon.com>
> ---

Do you have a changelog?

/Jarkko