WARNING: line length of 84 exceeds 80 columns
#40: FILE: tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c:555:
+	btf__add_const(btf1, 2);			/* [3] const volatile int */

WARNING: line length of 89 exceeds 80 columns
#42: FILE: tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c:557:
+	btf__add_field(btf1, "f1", 3, 0, 0);            /*      const volatile int f1; */

WARNING: line length of 83 exceeds 80 columns
#56: FILE: tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c:571:
+	btf__add_field(btf2, "f2", 2, 0, 0);		/*	volatile int f2; */

WARNING: line length of 83 exceeds 80 columns
#59: FILE: tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c:574:
+	btf__add_field(btf2, "f1", 2, 0, 0);            /*      volatile int f1; */

CHECK: Lines should not end with a '('
#63: FILE: tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c:578:
+	VALIDATE_RAW_BTF(

CHECK: Lines should not end with a '('
#83: FILE: tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c:598:
+	VALIDATE_RAW_BTF(

total: 0 errors, 4 warnings, 2 checks, 85 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 70ffd290fa2d ("selftests/bpf: Verify dedup for skipped modifiers") 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, 4 warnings, 2 checks, 85 lines checked