WARNING: line length of 81 exceeds 80 columns
#26: FILE: tools/lib/bpf/btf.c:390:
+static int btf_type_size_unknown(const struct btf *btf, const struct btf_type *t)

WARNING: line length of 85 exceeds 80 columns
#39: FILE: tools/lib/bpf/btf.c:403:
+			l_cnt = base_btf->hdr.layout_len / sizeof(struct btf_layout);

CHECK: Alignment should match open parenthesis
#48: FILE: tools/lib/bpf/btf.c:412:
+		pr_debug("Unsupported info_sz %u for kind %u\n",
+			  l[kind].info_sz, kind);

WARNING: line length of 82 exceeds 80 columns
#57: FILE: tools/lib/bpf/btf.c:421:
+	return sizeof(struct btf_type) + l[kind].info_sz + vlen * l[kind].elem_sz;

total: 0 errors, 3 warnings, 1 checks, 100 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 50db668afdd5 ("libbpf: Use layout to compute an unknown kind size") 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, 3 warnings, 1 checks, 100 lines checked