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Date:   Fri,  8 Feb 2019 20:08:55 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     linux-integrity@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Peter Huewe <PeterHuewe@....de>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        Alexander Steffen <Alexander.Steffen@...ineon.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Subject: [PATCH v4 0/2] tpm: Unify send() callbacks

From: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.co m>

A portion of send() callbacks have returned length, in many cases just
returning back what was given as an argument, and tpm_crb has returned 0 on
success. This patch set fixes and unifies the behaviour.

v4:
* Return zero already in tpm_tis_send_main() so that it is applied to all
  call sites of tpm_tis_send().
* Fixup tpm_ibmvtpm_send() documentation.
v3:
tpm_tis_core fix was left out of the staging area :-(
v2:
The drivers tpm_nsc and tpm_infineon were forgotten. For this version I
checked both with find and command and from Kconfig that everything that is
supposed to be a driver directly interfacing with the TPM core, is included
(e.g. discluding tpm_tis_spi).

Jarkko Sakkinen (2):
  tpm: Unify the send callback behaviour
  tpm/tpm_i2c_atmel: Return -E2BIG when the transfer is incomplete

 drivers/char/tpm/st33zp24/st33zp24.c |  2 +-
 drivers/char/tpm/tpm_atmel.c         |  2 +-
 drivers/char/tpm/tpm_i2c_atmel.c     | 10 +++++++++-
 drivers/char/tpm/tpm_i2c_infineon.c  |  2 +-
 drivers/char/tpm/tpm_i2c_nuvoton.c   |  2 +-
 drivers/char/tpm/tpm_ibmvtpm.c       |  8 ++++----
 drivers/char/tpm/tpm_infineon.c      |  2 +-
 drivers/char/tpm/tpm_nsc.c           |  2 +-
 drivers/char/tpm/tpm_tis_core.c      |  2 +-
 drivers/char/tpm/tpm_vtpm_proxy.c    |  3 +--
 drivers/char/tpm/xen-tpmfront.c      |  2 +-
 11 files changed, 22 insertions(+), 15 deletions(-)

-- 
2.19.1

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