CHECK: multiple assignments should be avoided
#82: FILE: kernel/bpf/btf.c:560:
+	low_start = low = start_id;

CHECK: multiple assignments should be avoided
#83: FILE: kernel/bpf/btf.c:561:
+	high_end = high = start_id + btf->nr_types_sorted - 1;

CHECK: spaces preferred around that '-' (ctx:VxV)
#112: FILE: kernel/bpf/btf.c:582:
+			t = btf_type_by_id(btf, low-1);
 			                           ^

CHECK: spaces preferred around that '+' (ctx:VxV)
#124: FILE: kernel/bpf/btf.c:594:
+			t = btf_type_by_id(btf, high+1);
 			                            ^

WARNING: line length of 81 exceeds 80 columns
#317: FILE: tools/lib/bpf/btf.c:5249:
+static inline __u32 btf_get_mapped_type(struct btf *btf, __u32 *maps, __u32 type)

WARNING: line length of 81 exceeds 80 columns
#387: FILE: tools/lib/bpf/btf.c:5319:
+		found_offs = bsearch(&new_type_offs[i], btf->type_offs, type_cnt,

CHECK: Alignment should match open parenthesis
#388: FILE: tools/lib/bpf/btf.c:5320:
+		found_offs = bsearch(&new_type_offs[i], btf->type_offs, type_cnt,
+					sizeof(__u32), btf_compare_offs);

WARNING: line length of 90 exceeds 80 columns
#424: FILE: tools/lib/bpf/btf.c:5356:
+			arr->index_type = btf_get_mapped_type(btf, maps, arr->index_type);

WARNING: line length of 82 exceeds 80 columns
#433: FILE: tools/lib/bpf/btf.c:5365:
+				m->type = btf_get_mapped_type(btf, maps, m->type);

WARNING: line length of 82 exceeds 80 columns
#442: FILE: tools/lib/bpf/btf.c:5374:
+				p->type = btf_get_mapped_type(btf, maps, p->type);

WARNING: line length of 82 exceeds 80 columns
#451: FILE: tools/lib/bpf/btf.c:5383:
+				v->type = btf_get_mapped_type(btf, maps, v->type);

total: 0 errors, 6 warnings, 5 checks, 419 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 5b8e2b4b5ce6 ("bpf: Using binary search to improve the performance of btf_find_by_name_kind") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE 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, 6 warnings, 5 checks, 419 lines checked