WARNING: line length of 86 exceeds 80 columns
#135: FILE: tools/bpf/bpftool/btf.c:864:
+		printf("magic 0x%-10x\nversion %-10d\nflags 0x%-10x\nhdr_len %-10u\n",

WARNING: line length of 89 exceeds 80 columns
#137: FILE: tools/bpf/bpftool/btf.c:866:
+		printf("type_len %-10u\ntype_off %-10u\n", hdr->type_len, hdr->type_off);

WARNING: line length of 85 exceeds 80 columns
#138: FILE: tools/bpf/bpftool/btf.c:867:
+		printf("str_len %-10u\nstr_off %-10u\n", hdr->str_len, hdr->str_off);

WARNING: line length of 82 exceeds 80 columns
#141: FILE: tools/bpf/bpftool/btf.c:870:
+	if (hdr->hdr_len < sizeof(struct btf_header) || data_sz <= hdr->hdr_len) {

WARNING: line length of 81 exceeds 80 columns
#144: FILE: tools/bpf/bpftool/btf.c:873:
+			jsonw_end_object(json_wtr);	/* end metadata object */

WARNING: line length of 94 exceeds 80 columns
#169: FILE: tools/bpf/bpftool/btf.c:898:
+					jsonw_string_field(json_wtr, "name", btf_kind_str[i]);

WARNING: line length of 84 exceeds 80 columns
#172: FILE: tools/bpf/bpftool/btf.c:901:
+				jsonw_uint_field(json_wtr, "info_sz", l[i].info_sz);

WARNING: line length of 84 exceeds 80 columns
#173: FILE: tools/bpf/bpftool/btf.c:902:
+				jsonw_uint_field(json_wtr, "elem_sz", l[i].elem_sz);

WARNING: line length of 81 exceeds 80 columns
#179: FILE: tools/bpf/bpftool/btf.c:908:
+		jsonw_end_object(json_wtr);		/* end metadata object */

WARNING: line length of 88 exceeds 80 columns
#184: FILE: tools/bpf/bpftool/btf.c:913:
+			printf("kind %-4u %-10s info_sz %-4d elem_sz %-4d flags %-4d\n",

total: 0 errors, 10 warnings, 0 checks, 135 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 196341a00cdc ("bpftool: add BTF dump "format meta" to dump header/metadata") 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, 10 warnings, 0 checks, 135 lines checked