Warnings before patch:
files: ['include/linux/ftrace.h', 'kernel/trace/ftrace.c']
Warning: include/linux/ftrace.h:154 cannot understand function prototype: 'struct ftrace_regs'
Warning: include/linux/ftrace.h:932 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:974 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:999 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1029 No description found for return value of 'ftrace_modify_call'
Warning: include/linux/ftrace.h:1306 function parameter 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
Warning: include/linux/ftrace.h:1306 expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead
Warning: kernel/trace/ftrace.c:1504 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2434 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2448 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3536 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3674 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6291 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6425 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6562 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6585 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6662 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6685 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9068 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9091 No description found for return value of 'unregister_ftrace_function'
Warning: include/linux/ftrace.h:932 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:974 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:999 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1029 No description found for return value of 'ftrace_modify_call'
Warning: kernel/trace/ftrace.c:1504 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2434 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2448 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3536 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3674 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6291 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6425 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6562 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6585 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6662 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6685 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9068 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9091 No description found for return value of 'unregister_ftrace_function'

Current warnings:
files: ['include/linux/ftrace.h', 'kernel/trace/ftrace.c']
Warning: include/linux/ftrace.h:154 cannot understand function prototype: 'struct ftrace_regs'
Warning: include/linux/ftrace.h:938 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:980 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:1005 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1035 No description found for return value of 'ftrace_modify_call'
Warning: include/linux/ftrace.h:1312 function parameter 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
Warning: include/linux/ftrace.h:1312 expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead
Warning: kernel/trace/ftrace.c:1504 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2434 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2448 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3536 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3674 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6291 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6425 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6656 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6679 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6756 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6779 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9162 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9185 No description found for return value of 'unregister_ftrace_function'
Warning: include/linux/ftrace.h:938 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:980 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:1005 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1035 No description found for return value of 'ftrace_modify_call'
Warning: kernel/trace/ftrace.c:1504 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2434 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2448 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3536 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3674 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6291 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6425 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6656 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6679 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6756 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6779 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9162 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9185 No description found for return value of 'unregister_ftrace_function'

Warnings before: 37 after: 37