WARNING: line length of 82 exceeds 80 columns
#70: FILE: tools/testing/selftests/bpf/progs/cpumask_failure.c:208:
+int BPF_PROG(test_invalid_nested_array, struct task_struct *task, u64 clone_flags)

WARNING: line length of 92 exceeds 80 columns
#78: FILE: tools/testing/selftests/bpf/progs/cpumask_failure.c:216:
+	prev = bpf_kptr_xchg(&global_mask_nested_array.d_1.d_2[BTF_FIELDS_MAX].mask, local);

WARNING: line length of 87 exceeds 80 columns
#145: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:84:
+private(MASK_1) static struct kptr_nested_deep_array_1 global_mask_nested_deep_array_1;

WARNING: line length of 87 exceeds 80 columns
#146: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:85:
+private(MASK_2) static struct kptr_nested_deep_array_2 global_mask_nested_deep_array_2;

WARNING: line length of 87 exceeds 80 columns
#147: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:86:
+private(MASK_3) static struct kptr_nested_deep_array_3 global_mask_nested_deep_array_3;

WARNING: line length of 95 exceeds 80 columns
#180: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:692:
+int BPF_PROG(test_global_mask_nested_deep_array_rcu, struct task_struct *task, u64 clone_flags)

WARNING: line length of 95 exceeds 80 columns
#185: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:697:
+		_global_mask_array_rcu(&global_mask_nested_deep_array_1.d_1.d_2.mask[i], NULL);

WARNING: line length of 95 exceeds 80 columns
#188: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:700:
+		_global_mask_array_rcu(&global_mask_nested_deep_array_2.d_1.d_2[i].mask, NULL);

WARNING: line length of 95 exceeds 80 columns
#191: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:703:
+		_global_mask_array_rcu(&global_mask_nested_deep_array_3.d_1[i].d_2.mask, NULL);

total: 0 errors, 9 warnings, 0 checks, 156 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 cf494305d767 ("selftests/bpf: Add more test case for field flattening") 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, 156 lines checked