linux-kernel - Re: [PATCH 2/2] tpm: fix byte-order for the value read by tpm2_get_tpm

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Date:	Mon, 18 Jul 2016 22:05:19 +0300
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:	Andrey Pronin <apronin@...omium.org>,
	Peter Huewe <peterhuewe@....de>,
	Marcel Selhorst <tpmdd@...horst.net>,
	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	groeck@...omium.org, smbarber@...omium.org, dianders@...omium.org
Subject: Re: [PATCH 2/2] tpm: fix byte-order for the value read by
 tpm2_get_tpm_pt

On Fri, Jul 15, 2016 at 01:39:28PM -0600, Jason Gunthorpe wrote:
> On Fri, Jul 15, 2016 at 12:31:43PM -0700, Andrey Pronin wrote:
> 
> > I even tried changing the code there to
> > 	__be32 vv = cmd.params.get_tpm_pt_out.value;
> > 	u32 ret = vv;
> > to make it clear what's going on. Still, no complaints from sparse.
> 
> Hum, I'm not an expert at sparse, but I expect a warning from it here?
> 
> Maybe Jarkko knows when he gets back?

I do run sparse regularly. If look at the commit log there are even
couple of recent bug fixes related to sparse errors.

/Jarkko