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

WARNING: line length of 84 exceeds 80 columns
#59: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:36:
+	libbbpf_line_info_cnt = bpf_program__line_info_cnt(skel->progs.global_func);

WARNING: line length of 82 exceeds 80 columns
#65: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:42:
+	if (!ASSERT_EQ(libbbpf_line_info_cnt, info.nr_line_info, "line_info_cnt"))

WARNING: line length of 89 exceeds 80 columns
#69: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:46:
+		int eq = memcmp(libbpf_line_info + i, line_info + i, sizeof(*line_info));

WARNING: line length of 84 exceeds 80 columns
#108: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:85:
+	libbbpf_func_info_cnt = bpf_program__func_info_cnt(skel->progs.global_func);

WARNING: line length of 82 exceeds 80 columns
#114: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:91:
+	if (!ASSERT_EQ(libbbpf_func_info_cnt, info.nr_func_info, "func_info_cnt"))

WARNING: line length of 89 exceeds 80 columns
#118: FILE: tools/testing/selftests/bpf/prog_tests/test_btf_ext.c:95:
+		int eq = memcmp(libbpf_func_info + i, func_info + i, sizeof(*func_info));

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#147: FILE: tools/testing/selftests/bpf/progs/test_btf_ext.c:7:
+const volatile int val = 3;

WARNING: Prefer noinline over __attribute__((noinline))
#149: FILE: tools/testing/selftests/bpf/progs/test_btf_ext.c:9:
+static __attribute__ ((noinline))

total: 0 errors, 9 warnings, 0 checks, 132 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 26c22cc53f00 ("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, 9 warnings, 0 checks, 132 lines checked