[PULL] Smack: Changes for 5.2

[Casey Schaufler]

James, please take these updates for 5.2. There's one bug fix for
IPv6 handling and two memory use improvements.

The following changes since commit 9d7b7bfbafba5e6cad609f1188243a7f0cd0d293:

   Merge tag 'v5.1-rc2' into next-general (2019-03-26 16:28:01 -0700)

are available in the Git repository at:

   https://github.com/cschaufler/next-smack smack-for-5.2

for you to fetch changes up to f7450bc6e76860564f3842a41892f9b74313cc23:

   Smack: Fix IPv6 handling of 0 secmark (2019-04-03 14:28:38 -0700)

----------------------------------------------------------------
Casey Schaufler (2):
       Smack: Create smack_rule cache to optimize memory usage
       Smack: Fix IPv6 handling of 0 secmark

Vishal Goel (1):
       smack: removal of global rule list

  security/smack/smack.h     |  1 +
  security/smack/smack_lsm.c | 13 +++++++++--
  security/smack/smackfs.c   | 55 ++++++++++++++--------------------------------
  3 files changed, 28 insertions(+), 41 deletions(-)