linux-kernel - Re: [PATCH v11 00/16] Remove nested TPM operations

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Message-Id: <c3da7f8d-818c-2dc6-5770-9beaf0e55152@linux.ibm.com>
Date:   Fri, 8 Feb 2019 09:02:22 -0500
From:   Stefan Berger <stefanb@...ux.ibm.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     Alexander Steffen <Alexander.Steffen@...ineon.com>,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Peter Huewe <PeterHuewe@....de>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Tadeusz Struk <tadeusz.struk@...el.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        Nayna Jain <nayna@...ux.ibm.com>
Subject: Re: [PATCH v11 00/16] Remove nested TPM operations

On 2/8/19 8:33 AM, Jarkko Sakkinen wrote:
>
> if (len != be32_to_cpu(header->length)) {
> 	rc = -EFAULT;
> 	goto out;
> }
>
> rc = tpm2_commit_space(chip, space, ordinal, buf, &len);
> if (rc)
> 	dev_err(&chip->dev, "tpm2_commit_space: error %d\n", rc);
>
> That unconditional call to commit space masked the bugs in the device
> drivers. I'll provide fixes shortly.

You got it! :-)


>
> /Jarkko
>