WARNING: line length of 94 exceeds 80 columns
#48: FILE: kernel/bpf/arraymap.c:130:
+	if (attr->map_type == BPF_MAP_TYPE_PROG_ARRAY && bpf_arch_tail_call_prologue_offset())

CHECK: No space is necessary after a cast
#50: FILE: kernel/bpf/arraymap.c:132:
+		array_size += (u64) max_entries * sizeof(void *);

WARNING: line length of 95 exceeds 80 columns
#64: FILE: kernel/bpf/arraymap.c:1099:
+static void bpf_tail_call_target_update(struct bpf_array *array, u32 key, struct bpf_prog *new)

CHECK: No space is necessary after a cast
#72: FILE: kernel/bpf/arraymap.c:1107:
+	target = new ? (void *) new->bpf_func + offset : 0;

total: 0 errors, 2 warnings, 2 checks, 55 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 968fe878cde0 ("bpf: tailcall: Introduce bpf_arch_tail_call_prologue_offset") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 2 warnings, 2 checks, 55 lines checked