[PULL] Smack: Changes for 4.21

[Casey Schaufler]

James, I have two Smack patches for 4.21. One Jose's patch adds
missing documentation and Zoran's fleshes out the access checks
on keyrings.

The following changes since commit 26b76320a8a550472bbb8f42257df83fcb8d8df6:

  Merge tag 'v4.20-rc2' into next-general (2018-11-12 09:07:41 -0800)

are available in the Git repository at:

  https://github.com/cschaufler/next-smack smack-for-4.21-a

for you to fetch changes up to 55b078f031f556ea18963bd808e79a1dfaa4be44:

  Smack: Improve Documentation (2018-12-13 13:31:01 -0800)

----------------------------------------------------------------
José Bollo (1):
      Smack: Improve Documentation

Zoran Markovic (1):
      smack: fix access permissions for keyring

 Documentation/admin-guide/LSM/Smack.rst |  4 ++++
 security/smack/smack_lsm.c              | 12 +++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)