[GIT PULL] tee memref null for v5.10

[Jens Wiklander]

Hello arm-soc maintainers,

Please pull this patch enabling a TEE client to indicate a NULL pointer
instead of a valid buffer when invoking a Trusted Application.

Thanks,
Jens

The following changes since commit 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5:

  Linux 5.9-rc1 (2020-08-16 13:04:57 -0700)

are available in the Git repository at:

  git://git.linaro.org/people/jens.wiklander/linux-tee.git tags/tee-memref-null-for-v5.10

for you to fetch changes up to ba171d3f0850003216fd1a85190d17b1feddb961:

  driver: tee: Handle NULL pointer indication from client (2020-08-21 08:55:13 +0200)

----------------------------------------------------------------
Handle NULL pointer indication from tee client

Adds support to indicate NULL pointers instead of a valid buffer when
querying the needed size of a buffer.

----------------------------------------------------------------
Cedric Neveux (1):
      driver: tee: Handle NULL pointer indication from client

 drivers/tee/optee/core.c      |  7 +++++++
 drivers/tee/optee/optee_smc.h |  3 +++
 drivers/tee/tee_core.c        | 49 +++++++++++++++++++++++++++----------------
 include/linux/tee_drv.h       |  3 +++
 include/uapi/linux/tee.h      | 13 ++++++++++++
 5 files changed, 57 insertions(+), 18 deletions(-)