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

WARNING: line length of 84 exceeds 80 columns
#36: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:13:
+	__u32 info_len = sizeof(info), libbbpf_line_info_cnt, libbbpf_func_info_cnt;

WARNING: line length of 84 exceeds 80 columns
#54: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:31:
+	libbbpf_line_info_cnt = bpf_program__line_info_cnt(skel->progs.global_func);

WARNING: line length of 84 exceeds 80 columns
#65: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:42:
+	libbbpf_func_info_cnt = bpf_program__func_info_cnt(skel->progs.global_func);

WARNING: line length of 82 exceeds 80 columns
#69: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:46:
+	if (!ASSERT_EQ(libbbpf_line_info_cnt, info.nr_line_info, "line_info_cnt"))

WARNING: line length of 82 exceeds 80 columns
#73: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:50:
+	if (!ASSERT_EQ(libbbpf_func_info_cnt, info.nr_func_info, "func_info_cnt"))

WARNING: line length of 94 exceeds 80 columns
#75: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:52:
+	/* Skip checks on s390x as it seems to be adding some preamble to function entry point

WARNING: space prohibited between function name and open parenthesis '('
#78: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:55:
+#if !defined(__TARGET_ARCH_s390) && !defined (__s390x__)

CHECK: architecture specific defines should be avoided
#78: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:55:
+#if !defined(__TARGET_ARCH_s390) && !defined (__s390x__)

WARNING: line length of 93 exceeds 80 columns
#79: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:56:
+	ASSERT_MEMEQ(libbpf_line_info, line_info, libbbpf_line_info_cnt * sizeof(*line_info),

WARNING: line length of 93 exceeds 80 columns
#81: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:58:
+	ASSERT_MEMEQ(libbpf_func_info, func_info, libbbpf_func_info_cnt * sizeof(*func_info),

total: 0 errors, 10 warnings, 1 checks, 95 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 b5a4252ef183 ("selftests/bpf: add BTF.ext line/func info getter tests") 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, 10 warnings, 1 checks, 95 lines checked