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Message-Id: <3a9f9abe-525a-9101-3c25-7bd50029f305@linux.ibm.com>
Date: Mon, 5 Nov 2018 17:04:46 -0500
From: Stefan Berger <stefanb@...ux.ibm.com>
To: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
linux-integrity@...r.kernel.org
Cc: linux-security-module@...r.kernel.org,
James Bottomley <James.Bottomley@...senPartnership.com>,
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>,
Peter Huewe <peterhuewe@....de>,
Jason Gunthorpe <jgg@...pe.ca>, Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 05/16] tpm: print tpm2_commit_space() error inside
tpm2_commit_space()
On 11/4/18 8:45 PM, Jarkko Sakkinen wrote:
> The error logging for tpm2_commit_space() is in a wrong place. This
> commit moves it inside that function.
>
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> ---
> drivers/char/tpm/tpm2-space.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c
> index d53c882268ff..3d5f9577e5de 100644
> --- a/drivers/char/tpm/tpm2-space.c
> +++ b/drivers/char/tpm/tpm2-space.c
> @@ -501,19 +501,19 @@ int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
> rc = tpm2_map_response_header(chip, cc, buf, *bufsiz);
> if (rc) {
> tpm2_flush_space(chip);
> - return rc;
> + goto out;
> }
>
> rc = tpm2_map_response_body(chip, cc, buf, *bufsiz);
> if (rc) {
> tpm2_flush_space(chip);
> - return rc;
> + goto out;
> }
>
> rc = tpm2_save_space(chip);
> if (rc) {
> tpm2_flush_space(chip);
> - return rc;
> + goto out;
> }
>
> *bufsiz = be32_to_cpu(header->length);
> @@ -526,4 +526,7 @@ int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
> memcpy(space->session_buf, chip->work_space.session_buf, PAGE_SIZE);
>
> return 0;
> +out:
> + dev_err(&chip->dev, "%s: error %d\n", __func__, rc);
> + return rc;
> }
This is in tpm-interface.c:
rc = tpm2_commit_space(chip, space, ordinal, buf, &len);
if (rc)
dev_err(&chip->dev, "tpm2_commit_space: error %d\n", rc);
I suppose you will remove if(rc) ... ?
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