Warnings before patch:
files: ['kernel/trace/ftrace.c', 'kernel/bpf/trampoline.c', 'kernel/trace/Kconfig', 'arch/x86/Kconfig']
Warning: kernel/trace/ftrace.c:1478 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2408 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2422 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3510 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3648 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6264 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6386 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6574 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6597 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6674 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6697 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9080 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9103 No description found for return value of 'unregister_ftrace_function'

Current warnings:
files: ['kernel/trace/ftrace.c', 'kernel/bpf/trampoline.c', 'kernel/trace/Kconfig', 'arch/x86/Kconfig']
Warning: kernel/trace/ftrace.c:1478 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2408 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2422 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3515 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3653 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6269 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6391 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6579 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6602 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6679 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6702 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9085 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9108 No description found for return value of 'unregister_ftrace_function'

Warnings before: 13 after: 13