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Subject: Re: [PATCH v4 1/2] tpm: Unify the send callback behaviour
To:     Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
        linux-integrity@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        Peter Huewe <PeterHuewe@gmx.de>,
        Jason Gunthorpe <jgg@ziepe.ca>,
        Stefan Berger <stefanb@linux.vnet.ibm.com>,
        Alexander Steffen <Alexander.Steffen@infineon.com>,
        stable@vger.kernel.org
References: <20190208180857.12330-1-jarkko.sakkinen@linux.intel.com>
 <20190208180857.12330-2-jarkko.sakkinen@linux.intel.com>
From:   Stefan Berger <stefanb@linux.ibm.com>
Date:   Fri, 8 Feb 2019 13:12:34 -0500
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On 2/8/19 1:08 PM, Jarkko Sakkinen wrote:
> The send() callback should never return length as it does not in every
> driver except tpm_crb in the success case. The reason is that the main
> transmit functionality only cares about whether the transmit was
> successful or not and ignores the count completely.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>

Let me know when you put it into your tree, I'll give it a spin while I 
am at it. :-)