Warnings before patch:
files: ['kernel/trace/ftrace.c', 'kernel/trace/trace.h', 'include/linux/ftrace.h']
Warning: include/linux/ftrace.h:878 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:920 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:945 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:975 No description found for return value of 'ftrace_modify_call'
Warning: kernel/trace/ftrace.c:1479 No description found for return value of 'ftrace_hash_move'
Warning: kernel/trace/ftrace.c:2409 No description found for return value of 'ftrace_update_record'
Warning: kernel/trace/ftrace.c:2423 No description found for return value of 'ftrace_test_record'
Warning: kernel/trace/ftrace.c:3511 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3649 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6269 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6292 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6369 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6392 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:8775 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:8798 No description found for return value of 'unregister_ftrace_function'
Warning: kernel/trace/trace.h:301 struct member 'cond_data' not described in 'cond_snapshot'
Warning: kernel/trace/trace.h:644 struct member 'print_header' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'flag_changed' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'next' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'enabled' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'print_max' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'allow_instances' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'use_max_tr' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'noboot' not described in 'tracer'
Warning: kernel/trace/trace.h:684 No description found for return value of 'tracer_tracing_is_on_cpu'
Warning: kernel/trace/trace.h:2004 struct member 'list' not described in 'event_command'
Warning: kernel/trace/trace.h:2037 Enum value 'EVENT_CMD_FL_POST_TRIGGER' not described in enum 'event_command_flags'
Warning: kernel/trace/trace.h:2037 Enum value 'EVENT_CMD_FL_NEEDS_REC' not described in enum 'event_command_flags'
Warning: kernel/trace/trace.h:2037 Excess enum value '%POST_TRIGGER' description in 'event_command_flags'
Warning: kernel/trace/trace.h:2037 Excess enum value '%NEEDS_REC' description in 'event_command_flags'

Current warnings:
files: ['kernel/trace/ftrace.c', 'kernel/trace/trace.h', 'include/linux/ftrace.h']
Warning: include/linux/ftrace.h:894 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:936 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:961 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:991 No description found for return value of 'ftrace_modify_call'
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:6268 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6291 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6368 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6391 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:8774 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:8797 No description found for return value of 'unregister_ftrace_function'
Warning: kernel/trace/trace.h:301 struct member 'cond_data' not described in 'cond_snapshot'
Warning: kernel/trace/trace.h:644 struct member 'print_header' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'flag_changed' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'next' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'enabled' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'print_max' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'allow_instances' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'use_max_tr' not described in 'tracer'
Warning: kernel/trace/trace.h:644 struct member 'noboot' not described in 'tracer'
Warning: kernel/trace/trace.h:684 No description found for return value of 'tracer_tracing_is_on_cpu'
Warning: kernel/trace/trace.h:1996 struct member 'list' not described in 'event_command'
Warning: kernel/trace/trace.h:2029 Enum value 'EVENT_CMD_FL_POST_TRIGGER' not described in enum 'event_command_flags'
Warning: kernel/trace/trace.h:2029 Enum value 'EVENT_CMD_FL_NEEDS_REC' not described in enum 'event_command_flags'
Warning: kernel/trace/trace.h:2029 Excess enum value '%POST_TRIGGER' description in 'event_command_flags'
Warning: kernel/trace/trace.h:2029 Excess enum value '%NEEDS_REC' description in 'event_command_flags'

Warnings before: 30 after: 30