Warnings before patch:
files: ['arch/x86/Kconfig', 'kernel/bpf/trampoline.c', 'kernel/trace/Kconfig', 'kernel/trace/ftrace.c']
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:6265 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6387 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6582 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6605 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6682 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6705 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9088 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9111 No description found for return value of 'unregister_ftrace_function'

Current warnings:
files: ['arch/x86/Kconfig', 'kernel/bpf/trampoline.c', 'kernel/trace/Kconfig', 'kernel/trace/ftrace.c']
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:6270 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6392 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6587 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6610 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6687 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6710 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9093 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9116 No description found for return value of 'unregister_ftrace_function'

Warnings before: 13 after: 13