linux-kernel - Re: [PATCH v3] KEYS: trusted: allow trusted.ko to initialize w/o a TPM

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Date:   Wed, 27 Mar 2019 10:15:50 -0700
From:   Dan Williams <dan.j.williams@...il.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        James Morris <jmorris@...ei.org>,
        James Bottomley <jejb@...ux.ibm.com>,
        Mimi Zohar <zohar@...uxibm.com>,
        David Howells <dhowells@...hat.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        "open list:KEYS-TRUSTED" <keyrings@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] KEYS: trusted: allow trusted.ko to initialize w/o a TPM

On Tue, Mar 26, 2019 at 5:13 AM Jarkko Sakkinen
<jarkko.sakkinen@...ux.intel.com> wrote:
>
> Allow trusted.ko to initialize w/o a TPM. This commit adds checks to the
> key type callbacks and exported functions to fail when a TPM is not
> available.
>
> Cc: James Morris <jmorris@...ei.org>
> Reported-by: Dan Williams <dan.j.williams@...el.com>
> Tested-by: Dan Williams <dan.j.williams@...el.com>
> Fixes: 240730437deb ("KEYS: trusted: explicitly use tpm_chip structure...")
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> ---
> v3:
> - remove unnecessary check for chip in init_trusted()

v3 also tests ok here.