WARNING: line length of 86 exceeds 80 columns
#90: FILE: tools/testing/selftests/bpf/prog_tests/attach_probe.c:161:
+	kretprobe_link = bpf_program__attach_kprobe_opts(skel->progs.handle_kretprobe,

WARNING: line length of 83 exceeds 80 columns
#91: FILE: tools/testing/selftests/bpf/prog_tests/attach_probe.c:162:
+							 SYS_NANOSLEEP_KPROBE_NAME,

WARNING: line length of 83 exceeds 80 columns
#157: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod_dup_sym.c:11:
+ * This function should NEVER be called - kprobes should attach to vmlinux version.

total: 0 errors, 3 warnings, 0 checks, 142 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 2c89a3f34d1f ("selftests/bpf: Add tests for duplicate kprobe symbol handling") 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, 3 warnings, 0 checks, 142 lines checked