linux-kernel - Re: [PATCH] KEYS: trusted: allow module init if TPM is inactive or deactivated

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Message-ID: <20190801163215.mfkagoafkxscesne@linux.intel.com>
Date:   Thu, 1 Aug 2019 19:32:15 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Roberto Sassu <roberto.sassu@...wei.com>
Cc:     jejb@...ux.ibm.com, zohar@...ux.ibm.com, jgg@...pe.ca,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, keyrings@...r.kernel.org,
        linux-kernel@...r.kernel.org, crazyt2019+lml@...il.com,
        tyhicks@...onical.com, nayna@...ux.vnet.ibm.com,
        silviu.vlasceanu@...wei.com
Subject: Re: [PATCH] KEYS: trusted: allow module init if TPM is inactive or
 deactivated

On Mon, Jul 15, 2019 at 06:44:28PM +0200, Roberto Sassu wrote:
> According to the bug report at https://bugs.archlinux.org/task/62678,
> the trusted module is a dependency of the ecryptfs module. We should
> load the trusted module even if the TPM is inactive or deactivated.
> 
> Given that commit 782779b60faa ("tpm: Actually fail on TPM errors during
> "get random"") changes the return code of tpm_get_random(), the patch
> should be modified to ignore the -EIO error. I will send a new version.

Do you have information where this dependency comes from?

/Jarkko