Warnings before patch:
files: ['net/bpf/test_run.c', 'tools/testing/selftests/bpf/prog_tests/verifier.c']
Warning: net/bpf/test_run.c:870 No description found for return value of 'range_is_zero'
Warning: net/bpf/test_run.c:870 No description found for return value of 'range_is_zero'

Current warnings:
files: ['net/bpf/test_run.c', 'tools/testing/selftests/bpf/prog_tests/fentry_fexit_multi_level_ptr.c', 'tools/testing/selftests/bpf/prog_tests/verifier.c', 'tools/testing/selftests/bpf/progs/fentry_fexit_pptr_nullable_test.c', 'tools/testing/selftests/bpf/progs/fentry_fexit_pptr_test.c', 'tools/testing/selftests/bpf/progs/fentry_fexit_void_ppptr_test.c', 'tools/testing/selftests/bpf/progs/fentry_fexit_void_pptr_test.c', 'tools/testing/selftests/bpf/progs/verifier_ctx_multilevel_ptr.c']
Warning: net/bpf/test_run.c:1000 No description found for return value of 'range_is_zero'
Warning: net/bpf/test_run.c:1000 No description found for return value of 'range_is_zero'

Warnings before: 2 after: 2