Warnings before patch:
files: ['net/bpf/test_run.c', 'tools/testing/selftests/bpf/prog_tests/empty_skb.c']
Warning: net/bpf/test_run.c:887 No description found for return value of 'range_is_zero'
Warning: net/bpf/test_run.c:887 No description found for return value of 'range_is_zero'

Current warnings:
files: ['net/bpf/test_run.c', 'tools/testing/selftests/bpf/prog_tests/empty_skb.c']
Warning: net/bpf/test_run.c:887 No description found for return value of 'range_is_zero'
Warning: net/bpf/test_run.c:887 No description found for return value of 'range_is_zero'

Warnings before: 2 after: 2