WARNING: line length of 86 exceeds 80 columns
#67: FILE: tools/testing/selftests/bpf/prog_tests/attach_probe.c:231:
+	kretprobe_link = bpf_program__attach_kprobe_opts(skel->progs.handle_kretprobe,

WARNING: line length of 86 exceeds 80 columns
#84: FILE: tools/testing/selftests/bpf/prog_tests/attach_probe.c:248:
+	kretprobe_link = bpf_program__attach_kprobe_opts(skel->progs.handle_kretprobe,

WARNING: line length of 85 exceeds 80 columns
#142: FILE: tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c:656:
+	link1 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_manual,

WARNING: line length of 88 exceeds 80 columns
#148: FILE: tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c:662:
+	link2 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kretprobe_manual,

total: 0 errors, 4 warnings, 0 checks, 130 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 1db3f2b4b442 ("selftests/bpf: Add tests for kprobe attachment with duplicate symbols") 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, 4 warnings, 0 checks, 130 lines checked