Warnings before patch:
files: ['include/linux/bpf.h', 'include/uapi/linux/bpf.h', 'kernel/bpf/btf.c', 'kernel/bpf/syscall.c', 'kernel/bpf/trampoline.c', 'kernel/bpf/verifier.c', 'net/bpf/test_run.c', 'net/core/bpf_sk_storage.c', 'tools/include/uapi/linux/bpf.h', 'tools/testing/selftests/bpf/prog_tests/tracing_failure.c']
Warning: net/bpf/test_run.c:869 No description found for return value of 'range_is_zero'
Warning: net/bpf/test_run.c:869 No description found for return value of 'range_is_zero'

Current warnings:
files: ['include/linux/bpf.h', 'include/uapi/linux/bpf.h', 'kernel/bpf/btf.c', 'kernel/bpf/syscall.c', 'kernel/bpf/trampoline.c', 'kernel/bpf/verifier.c', 'net/bpf/test_run.c', 'net/core/bpf_sk_storage.c', 'tools/include/uapi/linux/bpf.h', 'tools/testing/selftests/bpf/prog_tests/tracing_failure.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'

Warnings before: 2 after: 2