[PATCH v2 0/3] TPM fixes

[Lino Sanfilippo]

This series fixes a reference count issue and a possible NULL pointer 
access in the TPM core code.
It also introduces a new function tpm_chip_free() which is used as the
counterpart to tpm_chip_alloc(). The function is supposed to hide the
internals of a proper tpm_chip deallocation.

Changes in v2:
- drop the patch that erroneously cleaned up after failed installation of
  an action handler ni tpmm_chip_alloc() (pointed out by Jarkko Sakkinen)
- make the commit message for patch 1 more detailed
- add fixes tags and kernel logs


Lino Sanfilippo (3):
  tpm: fix reference counting for struct tpm_chip
  tpm: Provide a function tpm_chip_free() to free tpm chips
  tpm: in tpm2_del_space check if ops pointer is still valid

 drivers/char/tpm/tpm-chip.c       | 34 +++++++++++++++++++++++++++++++---
 drivers/char/tpm/tpm.h            |  1 +
 drivers/char/tpm/tpm2-space.c     | 15 ++++++++++-----
 drivers/char/tpm/tpm_ftpm_tee.c   |  4 ++--
 drivers/char/tpm/tpm_vtpm_proxy.c |  2 +-
 5 files changed, 45 insertions(+), 11 deletions(-)

-- 
2.7.4