tomoyo-pr-20201214

Limit recursion depth, fix clang warning, fix comment typo, and
silence memory allocation failure warning.

tomoyo: fix clang pointer arithmetic warning
tomoyo: Limit wildcard recursion depth.
tomoyo: Fix null pointer check
tomoyo: Fix typo in comments.

 security/tomoyo/audit.c         |    2 -
 security/tomoyo/common.c        |    8 ++---
 security/tomoyo/condition.c     |    2 -
 security/tomoyo/domain.c        |    6 +---
 security/tomoyo/gc.c            |    2 -
 security/tomoyo/memory.c        |    4 +-
 security/tomoyo/securityfs_if.c |    6 ++--
 security/tomoyo/util.c          |   55 +++++++++++++++++++++-------------------
 8 files changed, 44 insertions(+), 41 deletions(-)
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