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SubjectRe: [PATCH v9 04/17] tpm: print tpm2_commit_space() error inside tpm2_commit_space()
On Mon, Nov 19, 2018 at 09:25:22PM +0000, Winkler, Tomas wrote:
>
>
> >
> > The error logging for tpm2_commit_space() is in a wrong place. This commit
> > moves it inside that function.
> >
> > Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
> > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> > Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
> > ---
> > drivers/char/tpm/tpm-interface.c | 2 --
> > drivers/char/tpm/tpm2-space.c | 9 ++++++---
> > 2 files changed, 6 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-
> > interface.c
> > index 64510ed81b46..7ac6ada8428c 100644
> > --- a/drivers/char/tpm/tpm-interface.c
> > +++ b/drivers/char/tpm/tpm-interface.c
> > @@ -277,8 +277,6 @@ static ssize_t tpm_try_transmit(struct tpm_chip
> > *chip,
> > }
> >
> > rc = tpm2_commit_space(chip, space, ordinal, buf, &len);
> > - if (rc)
> > - dev_err(&chip->dev, "tpm2_commit_space: error %d\n", rc);
> >
> > out:
> > /* may fail but do not override previous error value in rc */ diff --git
> > a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c index
> > 1131a8e7b79b..5ecc73988f7c 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:
> Maybe 'out' is too positive name for an error-only exit point?
> or you can use if (rc) ... dev_err()

out_err?

/Jarkko

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