WARNING: line length of 82 exceeds 80 columns
#46: FILE: tools/testing/selftests/bpf/prog_tests/btf_split.c:75:
+	btf__add_union(btf3, "u1", 16);			/* [5] union u1 {	*/

WARNING: line length of 82 exceeds 80 columns
#47: FILE: tools/testing/selftests/bpf/prog_tests/btf_split.c:76:
+	btf__add_field(btf3, "f1", 4, 0, 0);		/*	struct s2 f1;	*/

WARNING: line length of 82 exceeds 80 columns
#48: FILE: tools/testing/selftests/bpf/prog_tests/btf_split.c:77:
+	btf__add_field(btf3, "uf2", 1, 0, 0);		/*	int f2;		*/

WARNING: line length of 86 exceeds 80 columns
#61: FILE: tools/testing/selftests/bpf/prog_tests/btf_split.c:90:
+	ASSERT_STREQ(btf__str_by_offset(btf3, t->name_off), "u1", "split_union_name");

WARNING: line length of 91 exceeds 80 columns
#68: FILE: tools/testing/selftests/bpf/prog_tests/btf_split.c:97:
+	ASSERT_STREQ(btf__str_by_offset(btf3, t->name_off), "int", "split_base_type_name");

total: 0 errors, 5 warnings, 0 checks, 92 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 7abf54e48968 ("selftests/bpf: Test multi-split BTF") 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, 5 warnings, 0 checks, 92 lines checked