WARNING: line length of 86 exceeds 80 columns
#47: FILE: tools/testing/selftests/bpf/prog_tests/attach_probe.c:193:
+	kretprobe_link = bpf_program__attach_kprobe_opts(skel->progs.handle_kretprobe,

total: 0 errors, 1 warnings, 0 checks, 57 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 44bb9468ed23 ("selftests/bpf: Add test for attaching kprobe with long event names") 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, 57 lines checked