linux-kernel - Re: [PATCH 3/4] tmp: factor out tpm1_get

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Date:   Tue, 6 Mar 2018 15:56:07 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     "Winkler, Tomas" <tomas.winkler@...el.com>
Cc:     Jason Gunthorpe <jgg@...pe.ca>,
        "Usyskin, Alexander" <alexander.usyskin@...el.com>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
        "linux-security-module@...r.kernel.org" 
        <linux-security-module@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] tmp: factor out tpm1_get_random into tpm1-cmd.c

On Tue, Mar 06, 2018 at 11:34:50AM +0000, Winkler, Tomas wrote:
> 
> > 
> > On Tue, 2018-03-06 at 11:30 +0200, Tomas Winkler wrote:
> > > Factor out get random implementation from tpm-interface.c into
> > > tpm1_get_random function in tpm1-cmd.c.
> > > No functional changes.
> > >
> > > Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> > 
> > While you are doing this, please make it use tpm_buf so tha we get stuff out
> > of that nasty union. Using "helper" structs is still fine, just move it right
> > before the function implementation out of tpm.h (there are examples of this
> > tpm2-cmd.c).
> 
> Sure, but not while moving code, this is dangerous. Should be done after code is moved.

Makes sense have use two steps here.

/Jarkko