linux-kernel - Re: [PATCH 6/6] tpm2: add session handle context saving and restoring to the space code

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Message-ID: <20170210085256.eqhnrmdug2fcz4ql@intel.com>
Date:   Fri, 10 Feb 2017 10:52:56 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     tpmdd-devel@...ts.sourceforge.net
Cc:     linux-security-module@...r.kernel.org,
        James Bottomley <James.Bottomley@...senPartnership.com>,
        Peter Huewe <peterhuewe@....de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/6] tpm2: add session handle context saving and
 restoring to the space code

On Wed, Feb 08, 2017 at 01:07:08PM +0200, Jarkko Sakkinen wrote:
> +		rc = tpm2_load_context(chip, space->session_buf,
> +				       &offset, &handle);
> +		if (rc == -ENOENT) {
> +			/* load failed, just forget session */
> +			space->session_tbl[i] = 0;

This is my only concern in this commit. Should we also in this case just
flush the space or not?

/Jarkko