WARNING: line length of 86 exceeds 80 columns
#53: FILE: tools/lib/bpf/libbpf.c:13983:
+		/* skeleton is created with earlier version of bpftool, notify user */

WARNING: line length of 82 exceeds 80 columns
#54: FILE: tools/lib/bpf/libbpf.c:13984:
+		if (s->map_skel_sz < offsetofend(struct bpf_map_skeleton, link)) {

WARNING: line length of 98 exceeds 80 columns
#69: FILE: tools/lib/bpf/libbpf.c:13997:
+			pr_warn("map '%s': failed to auto-attach: %d\n", bpf_map__name(map), err);

total: 0 errors, 3 warnings, 0 checks, 46 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 084ff85a82c8 ("libbpf: improve old BPF skeleton handling for map auto-attach") 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, 3 warnings, 0 checks, 46 lines checked