WARNING: line length of 81 exceeds 80 columns
#95: FILE: tools/bpf/bpftool/btf.c:974:
+			root_type_ids[root_type_cnt++] = strtoul(*argv, &end, 0);

total: 0 errors, 1 warnings, 0 checks, 41 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 ab88e2294c6d ("bpftool: btf: Support dumping a single type from file") 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, 1 warnings, 0 checks, 41 lines checked