WARNING: line length of 89 exceeds 80 columns
#28: FILE: tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c:115:
+	ASSERT_TRUE(cubic_skel->data->nodelay_init_reject, "init reject nodelay option");

WARNING: line length of 84 exceeds 80 columns
#60: FILE: tools/testing/selftests/bpf/progs/bpf_cubic.c:183:
+	ret = bpf_setsockopt(sk, SOL_TCP, TCP_NODELAY, &true_val, sizeof(true_val));

WARNING: line length of 84 exceeds 80 columns
#72: FILE: tools/testing/selftests/bpf/progs/bpf_cubic.c:203:
+	ret = bpf_setsockopt(sk, SOL_TCP, TCP_NODELAY, &true_val, sizeof(true_val));

total: 0 errors, 3 warnings, 0 checks, 46 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 4522d1e86641 ("selftests/bpf: Verify bpf-tcp-cc rejects TCP_NODELAY") 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, 46 lines checked