WARNING: line length of 88 exceeds 80 columns
#146: FILE: tools/testing/selftests/bpf/prog_tests/mptcp.c:545:
+		bpf_program__attach_cgroup(skel->progs.mptcp_sockmap_inject, cgroup_fd);

WARNING: line length of 82 exceeds 80 columns
#150: FILE: tools/testing/selftests/bpf/prog_tests/mptcp.c:549:
+	err = bpf_prog_attach(bpf_program__fd(skel->progs.mptcp_sockmap_redirect),

WARNING: line length of 83 exceeds 80 columns
#222: FILE: tools/testing/selftests/bpf/progs/mptcp_sockmap.c:33:
+	helper_ret = bpf_sock_map_update(skops, &sock_map, &sk_index, BPF_NOEXIST);

total: 0 errors, 3 warnings, 0 checks, 200 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 7a286346696c ("selftests/bpf: Add mptcp test with sockmap") 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, 200 lines checked