WARNING: line length of 86 exceeds 80 columns
#55: FILE: tools/testing/selftests/bpf/testing_helpers.c:391:
+				fprintf(stdout, "%s.ko is already unloaded.\n", name);

WARNING: line length of 90 exceeds 80 columns
#59: FILE: tools/testing/selftests/bpf/testing_helpers.c:394:
+		fprintf(stdout, "Failed to unload %s.ko from kernel: %d\n", name, -errno);

WARNING: line length of 83 exceeds 80 columns
#81: FILE: tools/testing/selftests/bpf/testing_helpers.c:411:
+		fprintf(stdout, "Can't find %s kernel module: %d\n", path, -errno);

WARNING: line length of 89 exceeds 80 columns
#86: FILE: tools/testing/selftests/bpf/testing_helpers.c:415:
+		fprintf(stdout, "Failed to load %s into the kernel: %d\n", path, -errno);

total: 0 errors, 4 warnings, 0 checks, 89 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 8e70d7cbc4d5 ("selftests/bpf: Provide a generic [un]load_module helper") 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, 4 warnings, 0 checks, 89 lines checked