Warnings before patch:
files: ['tools/testing/selftests/bpf/prog_tests/string_kfuncs.c', 'tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c', 'tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c', 'tools/testing/selftests/bpf/progs/string_kfuncs_success.c']

Current warnings:
files: ['tools/testing/selftests/bpf/prog_tests/string_kfuncs.c', 'tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c', 'tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c', 'tools/testing/selftests/bpf/progs/string_kfuncs_success.c']

Warnings before: 0 after: 0