WARNING: line length of 92 exceeds 80 columns
#111: FILE: tools/lib/bpf/btf.c:139:
+	/* is BTF modifiable? i.e. is it split into separate sections as described above? */

WARNING: line length of 90 exceeds 80 columns
#134: FILE: tools/lib/bpf/btf.c:245:
+	/* May be operating on raw data with hdr_len that does not include below fields */

WARNING: line length of 82 exceeds 80 columns
#190: FILE: tools/lib/bpf/btf.c:291:
+	if ((long long)btf->hdr.type_off + btf->hdr.type_len > btf->hdr.str_off) {

WARNING: line length of 85 exceeds 80 columns
#212: FILE: tools/lib/bpf/btf.c:311:
+	if (btf->hdr.layout_off < (long long)btf->hdr.type_off + btf->hdr.type_len) {

WARNING: line length of 86 exceeds 80 columns
#218: FILE: tools/lib/bpf/btf.c:317:
+	if ((long long)btf->hdr.layout_off + btf->hdr.layout_len > btf->hdr.str_off ||

WARNING: line length of 85 exceeds 80 columns
#221: FILE: tools/lib/bpf/btf.c:320:
+			 btf->hdr.layout_off, btf->hdr.layout_len, btf->hdr.str_off);

WARNING: line length of 88 exceeds 80 columns
#238: FILE: tools/lib/bpf/btf.c:333:
+	if (!btf->hdr.str_len || btf->hdr.str_len - 1 > BTF_MAX_STR_OFFSET || end[-1]) {

WARNING: line length of 85 exceeds 80 columns
#314: FILE: tools/lib/bpf/btf.c:1137:
+		btf->start_str_off = base_btf->hdr.str_len + base_btf->start_str_off;

WARNING: line length of 85 exceeds 80 columns
#346: FILE: tools/lib/bpf/btf.c:1190:
+		btf->start_str_off = base_btf->hdr.str_len + base_btf->start_str_off;

WARNING: line length of 86 exceeds 80 columns
#455: FILE: tools/lib/bpf/btf.c:1881:
+		memcpy(layout, btf->raw_data + btf->hdr.hdr_len + btf->hdr.layout_off,

WARNING: line length of 82 exceeds 80 columns
#583: FILE: tools/lib/bpf/btf.c:2202:
+	memset(btf->strs_data + old_strs_len, 0, btf->hdr.str_len - old_strs_len);

WARNING: line length of 96 exceeds 80 columns
#668: FILE: tools/lib/bpf/btf.c:5499:
+	d->btf->raw_size = d->btf->hdr.hdr_len + d->btf->hdr.type_len + d->btf->hdr.layout_len +

total: 0 errors, 12 warnings, 0 checks, 644 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 91d561863814 ("libbpf: Support layout section handling in BTF") 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, 12 warnings, 0 checks, 644 lines checked