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(-)