WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#19: 
new file mode 100644

WARNING: line length of 91 exceeds 80 columns
#30: FILE: tools/testing/selftests/bpf/prog_tests/cgroup_preorder.c:7:
+static int run_getsockopt_test(int cg_parent, int cg_child, int sock_fd, bool all_preorder)

WARNING: line length of 86 exceeds 80 columns
#33: FILE: tools/testing/selftests/bpf/prog_tests/cgroup_preorder.c:10:
+	enum bpf_attach_type prog_c_atype, prog_c2_atype, prog_p_atype, prog_p2_atype;

WARNING: line length of 97 exceeds 80 columns
#105: FILE: tools/testing/selftests/bpf/prog_tests/cgroup_preorder.c:82:
+		ASSERT_TRUE(result[0] == 3 && result[1] == 4 && result[2] == 1 && result[3] == 2,

WARNING: line length of 97 exceeds 80 columns
#108: FILE: tools/testing/selftests/bpf/prog_tests/cgroup_preorder.c:85:
+		ASSERT_TRUE(result[0] == 4 && result[1] == 2 && result[2] == 1 && result[3] == 3,

WARNING: line length of 97 exceeds 80 columns
#144: FILE: tools/testing/selftests/bpf/prog_tests/cgroup_preorder.c:121:
+	ASSERT_OK(run_getsockopt_test(cg_parent, cg_child, sock_fd, false), "getsockopt_test_1");

WARNING: line length of 96 exceeds 80 columns
#145: FILE: tools/testing/selftests/bpf/prog_tests/cgroup_preorder.c:122:
+	ASSERT_OK(run_getsockopt_test(cg_parent, cg_child, sock_fd, true), "getsockopt_test_2");

total: 0 errors, 7 warnings, 0 checks, 169 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 c89b60791621 ("selftests/bpf: Add selftests allowing cgroup prog pre-ordering") 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, 7 warnings, 0 checks, 169 lines checked