Warnings before patch:
files: ['tools/testing/selftests/bpf/network_helpers.c', 'tools/testing/selftests/bpf/prog_tests/align.c', 'tools/testing/selftests/bpf/prog_tests/bpf_iter.c', 'tools/testing/selftests/bpf/prog_tests/flow_dissector.c', 'tools/testing/selftests/bpf/prog_tests/queue_stack_map.c', 'tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c', 'tools/testing/selftests/bpf/prog_tests/task_local_data.h', 'tools/testing/selftests/bpf/prog_tests/tc_redirect.c', 'tools/testing/selftests/bpf/test_progs.c', 'tools/testing/selftests/bpf/xdp_hw_metadata.c']
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:318 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:351 No description found for return value of 'tld_get_data'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:318 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:351 No description found for return value of 'tld_get_data'

Current warnings:
files: ['tools/testing/selftests/bpf/network_helpers.c', 'tools/testing/selftests/bpf/prog_tests/align.c', 'tools/testing/selftests/bpf/prog_tests/bpf_iter.c', 'tools/testing/selftests/bpf/prog_tests/flow_dissector.c', 'tools/testing/selftests/bpf/prog_tests/queue_stack_map.c', 'tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c', 'tools/testing/selftests/bpf/prog_tests/task_local_data.h', 'tools/testing/selftests/bpf/prog_tests/tc_redirect.c', 'tools/testing/selftests/bpf/test_progs.c', 'tools/testing/selftests/bpf/xdp_hw_metadata.c']
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:318 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:351 No description found for return value of 'tld_get_data'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:318 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:351 No description found for return value of 'tld_get_data'

Warnings before: 4 after: 4