Warning: tools/testing/selftests/bpf/cgroup_helpers.c:121 No description found for return value of 'enable_controllers'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:162 No description found for return value of 'write_cgroup_file'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:183 No description found for return value of 'write_cgroup_file_parent'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:200 No description found for return value of 'setup_cgroup_environment'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:286 No description found for return value of 'join_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:301 No description found for return value of 'join_root_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:314 No description found for return value of 'join_parent_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:334 No description found for return value of 'set_cgroup_xattr'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:384 No description found for return value of 'get_root_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:425 No description found for return value of 'create_and_get_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:453 No description found for return value of 'get_cgroup_id_from_path'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:541 No description found for return value of 'setup_classid_environment'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:595 No description found for return value of 'set_classid'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:629 No description found for return value of 'join_classid'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:657 No description found for return value of 'get_classid_cgroup_id'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:671 No description found for return value of 'get_cgroup1_hierarchy_id'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:725 No description found for return value of 'open_classid'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:121 No description found for return value of 'enable_controllers'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:162 No description found for return value of 'write_cgroup_file'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:183 No description found for return value of 'write_cgroup_file_parent'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:200 No description found for return value of 'setup_cgroup_environment'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:286 No description found for return value of 'join_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:301 No description found for return value of 'join_root_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:314 No description found for return value of 'join_parent_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:334 No description found for return value of 'set_cgroup_xattr'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:384 No description found for return value of 'get_root_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:445 No description found for return value of 'create_and_get_cgroup'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:473 No description found for return value of 'get_cgroup_id_from_path'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:561 No description found for return value of 'setup_classid_environment'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:615 No description found for return value of 'set_classid'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:649 No description found for return value of 'join_classid'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:677 No description found for return value of 'get_classid_cgroup_id'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:691 No description found for return value of 'get_cgroup1_hierarchy_id'
Warning: tools/testing/selftests/bpf/cgroup_helpers.c:745 No description found for return value of 'open_classid'