CHECK: spaces preferred around that '*' (ctx:VxV)
#75: FILE: tools/testing/selftests/bpf/prog_tests/bpftool_metadata.c:18:
+#define MAX_BPFTOOL_OUTPUT_LEN	(64*1024)
                               	   ^

CHECK: Alignment should match open parenthesis
#116: FILE: tools/testing/selftests/bpf/prog_tests/bpftool_metadata.c:59:
+	ret = snprintf(cmd, MAX_BPFTOOL_CMD_LEN, "prog load %s %s",
+			test->bpf_prog, test->bpffs_path);

CHECK: Alignment should match open parenthesis
#129: FILE: tools/testing/selftests/bpf/prog_tests/bpftool_metadata.c:72:
+	ret = get_bpftool_command_output(cmd, output,
+			MAX_BPFTOOL_OUTPUT_LEN);

CHECK: Alignment should match open parenthesis
#132: FILE: tools/testing/selftests/bpf/prog_tests/bpftool_metadata.c:75:
+		ret = check_metadata(output, test->expected_output,
+				ARRAY_SIZE(test->expected_output));

CHECK: Alignment should match open parenthesis
#145: FILE: tools/testing/selftests/bpf/prog_tests/bpftool_metadata.c:88:
+		ret = check_metadata(output, test->expected_output_json,
+				ARRAY_SIZE(test->expected_output_json));

CHECK: Blank lines aren't necessary before a close brace '}'
#149: FILE: tools/testing/selftests/bpf/prog_tests/bpftool_metadata.c:92:
+
+}

CHECK: Please use a blank line after function/struct/union/enum declarations
#177: FILE: tools/testing/selftests/bpf/prog_tests/bpftool_metadata.c:120:
+};
+static const int tests_count = ARRAY_SIZE(tests);

total: 0 errors, 0 warnings, 7 checks, 141 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 9e7247b3901a ("selftests/bpf: convert test_bpftool_metadata.sh into test_progs framework") 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, 0 warnings, 7 checks, 141 lines checked