WARNING: line length of 96 exceeds 80 columns
#65: FILE: tools/testing/selftests/bpf/prog_tests/tracing_failure.c:61:
+	freplace_link = bpf_program__attach_freplace_log(prog, prog_fd, "subprog_tail", log_buf,

WARNING: line length of 86 exceeds 80 columns
#68: FILE: tools/testing/selftests/bpf/prog_tests/tracing_failure.c:64:
+	ASSERT_STREQ(log_buf, "subprog_tail() is not a global function\n", "log_buf");

total: 0 errors, 2 warnings, 0 checks, 59 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 3180b2767e5c ("selftests/bpf: Add case to test freplace attach failure log") 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, 2 warnings, 0 checks, 59 lines checked