Warnings before patch:
files: ['include/linux/ftrace.h', 'kernel/trace/ftrace.c']
Warning: include/linux/ftrace.h:156 cannot understand function prototype: 'struct ftrace_regs'
Warning: include/linux/ftrace.h:940 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:982 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:1007 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1037 No description found for return value of 'ftrace_modify_call'
Warning: include/linux/ftrace.h:1314 function parameter 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
Warning: include/linux/ftrace.h:1314 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:3541 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3679 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6303 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6437 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6669 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6692 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6769 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6792 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9176 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9199 No description found for return value of 'unregister_ftrace_function'
Warning: include/linux/ftrace.h:940 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:982 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:1007 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1037 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:3541 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3679 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6303 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6437 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6669 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6692 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6769 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6792 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9176 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9199 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:156 cannot understand function prototype: 'struct ftrace_regs'
Warning: include/linux/ftrace.h:941 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:983 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:1008 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1038 No description found for return value of 'ftrace_modify_call'
Warning: include/linux/ftrace.h:1315 function parameter 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
Warning: include/linux/ftrace.h:1315 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:3541 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3679 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6308 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6442 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6674 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6697 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6774 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6797 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9181 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9204 No description found for return value of 'unregister_ftrace_function'
Warning: include/linux/ftrace.h:941 No description found for return value of 'ftrace_make_nop'
Warning: include/linux/ftrace.h:983 No description found for return value of 'ftrace_init_nop'
Warning: include/linux/ftrace.h:1008 No description found for return value of 'ftrace_make_call'
Warning: include/linux/ftrace.h:1038 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:3541 No description found for return value of 'ftrace_startup_subops'
Warning: kernel/trace/ftrace.c:3679 No description found for return value of 'ftrace_shutdown_subops'
Warning: kernel/trace/ftrace.c:6308 No description found for return value of 'hash_add'
Warning: kernel/trace/ftrace.c:6442 No description found for return value of 'hash_sub'
Warning: kernel/trace/ftrace.c:6674 No description found for return value of 'ftrace_set_filter_ip'
Warning: kernel/trace/ftrace.c:6697 No description found for return value of 'ftrace_set_filter_ips'
Warning: kernel/trace/ftrace.c:6774 No description found for return value of 'ftrace_set_filter'
Warning: kernel/trace/ftrace.c:6797 No description found for return value of 'ftrace_set_notrace'
Warning: kernel/trace/ftrace.c:9181 No description found for return value of 'register_ftrace_function'
Warning: kernel/trace/ftrace.c:9204 No description found for return value of 'unregister_ftrace_function'

Warnings before: 37 after: 37