WARNING: line length of 82 exceeds 80 columns
#55: FILE: tools/testing/selftests/bpf/prog_tests/btf_sanitize.c:119:
+	if (!ASSERT_FALSE(kernel_supports(skel->obj, FEAT_BTF_VLEN_KIND_EXTENDED),

WARNING: line length of 93 exceeds 80 columns
#58: FILE: tools/testing/selftests/bpf/prog_tests/btf_sanitize.c:122:
+	if (!ASSERT_TRUE(kernel_supports(skel->obj, FEAT_BTF_FUNC), "other_feature_allowed"))

WARNING: line length of 81 exceeds 80 columns
#72: FILE: tools/testing/selftests/bpf/prog_tests/btf_sanitize.c:136:
+	if (!ASSERT_ERR_PTR(sanitized, "bpf_object__sanitize_btf_should_fail")) {

WARNING: line length of 81 exceeds 80 columns
#79: FILE: tools/testing/selftests/bpf/prog_tests/btf_sanitize.c:143:
+	if (!ASSERT_OK_PTR(sanitized, "bpf_object__sanitize_btf_should_succeed"))

total: 0 errors, 4 warnings, 0 checks, 73 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 a37cf063d6f2 ("selftests/bpf: Test BTF sanitization rejection for invalid vlen") 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, 73 lines checked