[PATCH stable 5.4 0/3] Missing overflow changes

[Florian Fainelli <florian.fainelli@broadcom.com>]

This patch series backports the minimum set of changes in order to fix
this warning that popped up with >= 5.4.284 stable kernels:

In file included from ./include/linux/mm.h:29,
                 from ./include/linux/pagemap.h:8,
                 from ./include/linux/buffer_head.h:14,
                 from fs/udf/udfdecl.h:12,
                 from fs/udf/super.c:41:
fs/udf/super.c: In function 'udf_fill_partdesc_info':
./include/linux/overflow.h:70:15: warning: comparison of distinct pointer types lacks a cast
  (void) (&__a == &__b);   \
               ^~
fs/udf/super.c:1162:7: note: in expansion of macro 'check_add_overflow'
   if (check_add_overflow(map->s_partition_len,
       ^~~~~~~~~~~~~~~~~~

Kees Cook (2):
  overflow: Add __must_check attribute to check_*() helpers
  overflow: Allow mixed type arguments

Keith Busch (1):
  overflow: Correct check_shl_overflow() comment

 include/linux/overflow.h | 101 +++++++++++++++++++++++----------------
 1 file changed, 60 insertions(+), 41 deletions(-)

-- 
2.34.1