Warnings before patch:
files: ['include/linux/ftrace.h', 'kernel/bpf/trampoline.c', 'kernel/trace/ftrace.c']
Warning: include/linux/ftrace.h:153 cannot understand function prototype: 'struct ftrace_regs'
Warning: include/linux/ftrace.h:911 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:953 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:978 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1008 No description found for return value of 'ftrace_modify_call'
Warning: include/linux/ftrace.h:1285 function parameter 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
Warning: include/linux/ftrace.h:1285 expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead
Warning: kernel/trace/ftrace.c:1498 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2428 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2442 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3530 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3668 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6303 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6326 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6403 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6426 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:8809 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:8832 No description found for return value of 'unregister_ftrace_function'
Warning: include/linux/ftrace.h:911 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:953 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:978 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1008 No description found for return value of 'ftrace_modify_call'
Warning: kernel/trace/ftrace.c:1498 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2428 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2442 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3530 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3668 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6303 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6326 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6403 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6426 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:8809 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:8832 No description found for return value of 'unregister_ftrace_function'

Current warnings:
files: ['include/linux/ftrace.h', 'kernel/bpf/trampoline.c', 'kernel/trace/ftrace.c']
Warning: include/linux/ftrace.h:153 cannot understand function prototype: 'struct ftrace_regs'
Warning: include/linux/ftrace.h:910 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:952 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:977 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1007 No description found for return value of 'ftrace_modify_call'
Warning: include/linux/ftrace.h:1284 function parameter 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
Warning: include/linux/ftrace.h:1284 expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead
Warning: kernel/trace/ftrace.c:1498 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2428 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2442 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3530 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3668 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6289 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6312 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6389 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6412 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:8795 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:8818 No description found for return value of 'unregister_ftrace_function'
Warning: include/linux/ftrace.h:910 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:952 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:977 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1007 No description found for return value of 'ftrace_modify_call'
Warning: kernel/trace/ftrace.c:1498 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2428 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2442 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3530 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3668 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6289 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6312 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6389 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6412 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:8795 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:8818 No description found for return value of 'unregister_ftrace_function'

Warnings before: 33 after: 33