Warnings before patch:
files: ['drivers/tty/tty_io.c', 'include/linux/console.h', 'kernel/printk/printk.c']
Warning: drivers/tty/tty_io.c:244 No description found for return value of 'tty_name'
Warning: drivers/tty/tty_io.c:306 No description found for return value of 'get_tty_driver'
Warning: drivers/tty/tty_io.c:334 No description found for return value of 'tty_dev_name_to_number'
Warning: drivers/tty/tty_io.c:378 No description found for return value of 'tty_find_polling_driver'
Warning: drivers/tty/tty_io.c:530 No description found for return value of 'tty_release_redirect'
Warning: drivers/tty/tty_io.c:901 No description found for return value of 'tty_read'
Warning: drivers/tty/tty_io.c:1100 No description found for return value of 'tty_write'
Warning: drivers/tty/tty_io.c:1137 No description found for return value of 'tty_send_xchar'
Warning: drivers/tty/tty_io.c:1194 No description found for return value of 'tty_line_name'
Warning: drivers/tty/tty_io.c:1271 No description found for return value of 'tty_standard_install'
Warning: drivers/tty/tty_io.c:1293 No description found for return value of 'tty_driver_install_tty'
Warning: drivers/tty/tty_io.c:1604 No description found for return value of 'tty_release_checks'
Warning: drivers/tty/tty_io.c:1715 No description found for return value of 'tty_release'
Warning: drivers/tty/tty_io.c:2007 No description found for return value of 'tty_kopen_shared'
Warning: drivers/tty/tty_io.c:2104 No description found for return value of 'tty_open'
Warning: drivers/tty/tty_io.c:2186 No description found for return value of 'tty_poll'
Warning: drivers/tty/tty_io.c:2272 No description found for return value of 'tiocsti'
Warning: drivers/tty/tty_io.c:2306 No description found for return value of 'tiocgwinsz'
Warning: drivers/tty/tty_io.c:2324 No description found for return value of 'tty_do_resize'
Warning: drivers/tty/tty_io.c:2359 No description found for return value of 'tiocswinsz'
Warning: drivers/tty/tty_io.c:2380 No description found for return value of 'tioccons'
Warning: drivers/tty/tty_io.c:2421 No description found for return value of 'tiocsetd'
Warning: drivers/tty/tty_io.c:2444 No description found for return value of 'tiocgetd'
Warning: drivers/tty/tty_io.c:2468 No description found for return value of 'send_break'
Warning: drivers/tty/tty_io.c:2505 No description found for return value of 'tty_get_tiocm'
Warning: drivers/tty/tty_io.c:2526 No description found for return value of 'tty_tiocmget'
Warning: drivers/tty/tty_io.c:2549 No description found for return value of 'tty_tiocmset'
Warning: drivers/tty/tty_io.c:2588 No description found for return value of 'tty_get_icount'
Warning: drivers/tty/tty_io.c:3098 No description found for return value of 'alloc_tty_struct'
Warning: drivers/tty/tty_io.c:3428 No description found for return value of 'tty_register_driver'
Warning: include/linux/console.h:580 expecting prototype for console_srcu_is_nbcon(). Prototype was for console_is_nbcon() instead
Warning: kernel/printk/printk.c:2651 No description found for return value of 'add_preferred_console'
Warning: kernel/printk/printk.c:2811 No description found for return value of 'console_cpu_notify'
Warning: kernel/printk/printk.c:2857 No description found for return value of 'console_trylock'
Warning: kernel/printk/printk.c:4706 No description found for return value of 'printk_timed_ratelimit'
Warning: kernel/printk/printk.c:4729 No description found for return value of 'kmsg_dump_register'
Warning: kernel/printk/printk.c:4758 No description found for return value of 'kmsg_dump_unregister'
Warning: kernel/printk/printk.c:4852 No description found for return value of 'kmsg_dump_get_line'
Warning: kernel/printk/printk.c:4910 No description found for return value of 'kmsg_dump_get_buffer'
Warning: drivers/tty/tty_io.c:244 No description found for return value of 'tty_name'
Warning: drivers/tty/tty_io.c:306 No description found for return value of 'get_tty_driver'
Warning: drivers/tty/tty_io.c:334 No description found for return value of 'tty_dev_name_to_number'
Warning: drivers/tty/tty_io.c:378 No description found for return value of 'tty_find_polling_driver'
Warning: drivers/tty/tty_io.c:530 No description found for return value of 'tty_release_redirect'
Warning: drivers/tty/tty_io.c:901 No description found for return value of 'tty_read'
Warning: drivers/tty/tty_io.c:1100 No description found for return value of 'tty_write'
Warning: drivers/tty/tty_io.c:1137 No description found for return value of 'tty_send_xchar'
Warning: drivers/tty/tty_io.c:1194 No description found for return value of 'tty_line_name'
Warning: drivers/tty/tty_io.c:1271 No description found for return value of 'tty_standard_install'
Warning: drivers/tty/tty_io.c:1293 No description found for return value of 'tty_driver_install_tty'
Warning: drivers/tty/tty_io.c:1604 No description found for return value of 'tty_release_checks'
Warning: drivers/tty/tty_io.c:1715 No description found for return value of 'tty_release'
Warning: drivers/tty/tty_io.c:2007 No description found for return value of 'tty_kopen_shared'
Warning: drivers/tty/tty_io.c:2104 No description found for return value of 'tty_open'
Warning: drivers/tty/tty_io.c:2186 No description found for return value of 'tty_poll'
Warning: drivers/tty/tty_io.c:2272 No description found for return value of 'tiocsti'
Warning: drivers/tty/tty_io.c:2306 No description found for return value of 'tiocgwinsz'
Warning: drivers/tty/tty_io.c:2324 No description found for return value of 'tty_do_resize'
Warning: drivers/tty/tty_io.c:2359 No description found for return value of 'tiocswinsz'
Warning: drivers/tty/tty_io.c:2380 No description found for return value of 'tioccons'
Warning: drivers/tty/tty_io.c:2421 No description found for return value of 'tiocsetd'
Warning: drivers/tty/tty_io.c:2444 No description found for return value of 'tiocgetd'
Warning: drivers/tty/tty_io.c:2468 No description found for return value of 'send_break'
Warning: drivers/tty/tty_io.c:2505 No description found for return value of 'tty_get_tiocm'
Warning: drivers/tty/tty_io.c:2526 No description found for return value of 'tty_tiocmget'
Warning: drivers/tty/tty_io.c:2549 No description found for return value of 'tty_tiocmset'
Warning: drivers/tty/tty_io.c:2588 No description found for return value of 'tty_get_icount'
Warning: drivers/tty/tty_io.c:3098 No description found for return value of 'alloc_tty_struct'
Warning: drivers/tty/tty_io.c:3428 No description found for return value of 'tty_register_driver'
Warning: kernel/printk/printk.c:2651 No description found for return value of 'add_preferred_console'
Warning: kernel/printk/printk.c:2811 No description found for return value of 'console_cpu_notify'
Warning: kernel/printk/printk.c:2857 No description found for return value of 'console_trylock'
Warning: kernel/printk/printk.c:4706 No description found for return value of 'printk_timed_ratelimit'
Warning: kernel/printk/printk.c:4729 No description found for return value of 'kmsg_dump_register'
Warning: kernel/printk/printk.c:4758 No description found for return value of 'kmsg_dump_unregister'
Warning: kernel/printk/printk.c:4852 No description found for return value of 'kmsg_dump_get_line'
Warning: kernel/printk/printk.c:4910 No description found for return value of 'kmsg_dump_get_buffer'

Current warnings:
files: ['drivers/tty/tty_io.c', 'include/linux/console.h', 'kernel/printk/printk.c']
Warning: drivers/tty/tty_io.c:244 No description found for return value of 'tty_name'
Warning: drivers/tty/tty_io.c:306 No description found for return value of 'get_tty_driver'
Warning: drivers/tty/tty_io.c:334 No description found for return value of 'tty_dev_name_to_number'
Warning: drivers/tty/tty_io.c:378 No description found for return value of 'tty_find_polling_driver'
Warning: drivers/tty/tty_io.c:530 No description found for return value of 'tty_release_redirect'
Warning: drivers/tty/tty_io.c:901 No description found for return value of 'tty_read'
Warning: drivers/tty/tty_io.c:1100 No description found for return value of 'tty_write'
Warning: drivers/tty/tty_io.c:1137 No description found for return value of 'tty_send_xchar'
Warning: drivers/tty/tty_io.c:1194 No description found for return value of 'tty_line_name'
Warning: drivers/tty/tty_io.c:1271 No description found for return value of 'tty_standard_install'
Warning: drivers/tty/tty_io.c:1293 No description found for return value of 'tty_driver_install_tty'
Warning: drivers/tty/tty_io.c:1604 No description found for return value of 'tty_release_checks'
Warning: drivers/tty/tty_io.c:1715 No description found for return value of 'tty_release'
Warning: drivers/tty/tty_io.c:2007 No description found for return value of 'tty_kopen_shared'
Warning: drivers/tty/tty_io.c:2104 No description found for return value of 'tty_open'
Warning: drivers/tty/tty_io.c:2186 No description found for return value of 'tty_poll'
Warning: drivers/tty/tty_io.c:2272 No description found for return value of 'tiocsti'
Warning: drivers/tty/tty_io.c:2306 No description found for return value of 'tiocgwinsz'
Warning: drivers/tty/tty_io.c:2324 No description found for return value of 'tty_do_resize'
Warning: drivers/tty/tty_io.c:2359 No description found for return value of 'tiocswinsz'
Warning: drivers/tty/tty_io.c:2380 No description found for return value of 'tioccons'
Warning: drivers/tty/tty_io.c:2421 No description found for return value of 'tiocsetd'
Warning: drivers/tty/tty_io.c:2444 No description found for return value of 'tiocgetd'
Warning: drivers/tty/tty_io.c:2468 No description found for return value of 'send_break'
Warning: drivers/tty/tty_io.c:2505 No description found for return value of 'tty_get_tiocm'
Warning: drivers/tty/tty_io.c:2526 No description found for return value of 'tty_tiocmget'
Warning: drivers/tty/tty_io.c:2549 No description found for return value of 'tty_tiocmset'
Warning: drivers/tty/tty_io.c:2588 No description found for return value of 'tty_get_icount'
Warning: drivers/tty/tty_io.c:3098 No description found for return value of 'alloc_tty_struct'
Warning: drivers/tty/tty_io.c:3428 No description found for return value of 'tty_register_driver'
Warning: include/linux/console.h:622 expecting prototype for console_srcu_is_nbcon(). Prototype was for console_is_nbcon() instead
Warning: kernel/printk/printk.c:2658 No description found for return value of 'add_preferred_console'
Warning: kernel/printk/printk.c:2813 No description found for return value of 'console_cpu_notify'
Warning: kernel/printk/printk.c:2859 No description found for return value of 'console_trylock'
Warning: kernel/printk/printk.c:4709 No description found for return value of 'printk_timed_ratelimit'
Warning: kernel/printk/printk.c:4732 No description found for return value of 'kmsg_dump_register'
Warning: kernel/printk/printk.c:4761 No description found for return value of 'kmsg_dump_unregister'
Warning: kernel/printk/printk.c:4855 No description found for return value of 'kmsg_dump_get_line'
Warning: kernel/printk/printk.c:4913 No description found for return value of 'kmsg_dump_get_buffer'
Warning: drivers/tty/tty_io.c:244 No description found for return value of 'tty_name'
Warning: drivers/tty/tty_io.c:306 No description found for return value of 'get_tty_driver'
Warning: drivers/tty/tty_io.c:334 No description found for return value of 'tty_dev_name_to_number'
Warning: drivers/tty/tty_io.c:378 No description found for return value of 'tty_find_polling_driver'
Warning: drivers/tty/tty_io.c:530 No description found for return value of 'tty_release_redirect'
Warning: drivers/tty/tty_io.c:901 No description found for return value of 'tty_read'
Warning: drivers/tty/tty_io.c:1100 No description found for return value of 'tty_write'
Warning: drivers/tty/tty_io.c:1137 No description found for return value of 'tty_send_xchar'
Warning: drivers/tty/tty_io.c:1194 No description found for return value of 'tty_line_name'
Warning: drivers/tty/tty_io.c:1271 No description found for return value of 'tty_standard_install'
Warning: drivers/tty/tty_io.c:1293 No description found for return value of 'tty_driver_install_tty'
Warning: drivers/tty/tty_io.c:1604 No description found for return value of 'tty_release_checks'
Warning: drivers/tty/tty_io.c:1715 No description found for return value of 'tty_release'
Warning: drivers/tty/tty_io.c:2007 No description found for return value of 'tty_kopen_shared'
Warning: drivers/tty/tty_io.c:2104 No description found for return value of 'tty_open'
Warning: drivers/tty/tty_io.c:2186 No description found for return value of 'tty_poll'
Warning: drivers/tty/tty_io.c:2272 No description found for return value of 'tiocsti'
Warning: drivers/tty/tty_io.c:2306 No description found for return value of 'tiocgwinsz'
Warning: drivers/tty/tty_io.c:2324 No description found for return value of 'tty_do_resize'
Warning: drivers/tty/tty_io.c:2359 No description found for return value of 'tiocswinsz'
Warning: drivers/tty/tty_io.c:2380 No description found for return value of 'tioccons'
Warning: drivers/tty/tty_io.c:2421 No description found for return value of 'tiocsetd'
Warning: drivers/tty/tty_io.c:2444 No description found for return value of 'tiocgetd'
Warning: drivers/tty/tty_io.c:2468 No description found for return value of 'send_break'
Warning: drivers/tty/tty_io.c:2505 No description found for return value of 'tty_get_tiocm'
Warning: drivers/tty/tty_io.c:2526 No description found for return value of 'tty_tiocmget'
Warning: drivers/tty/tty_io.c:2549 No description found for return value of 'tty_tiocmset'
Warning: drivers/tty/tty_io.c:2588 No description found for return value of 'tty_get_icount'
Warning: drivers/tty/tty_io.c:3098 No description found for return value of 'alloc_tty_struct'
Warning: drivers/tty/tty_io.c:3428 No description found for return value of 'tty_register_driver'
Warning: kernel/printk/printk.c:2658 No description found for return value of 'add_preferred_console'
Warning: kernel/printk/printk.c:2813 No description found for return value of 'console_cpu_notify'
Warning: kernel/printk/printk.c:2859 No description found for return value of 'console_trylock'
Warning: kernel/printk/printk.c:4709 No description found for return value of 'printk_timed_ratelimit'
Warning: kernel/printk/printk.c:4732 No description found for return value of 'kmsg_dump_register'
Warning: kernel/printk/printk.c:4761 No description found for return value of 'kmsg_dump_unregister'
Warning: kernel/printk/printk.c:4855 No description found for return value of 'kmsg_dump_get_line'
Warning: kernel/printk/printk.c:4913 No description found for return value of 'kmsg_dump_get_buffer'

Warnings before: 77 after: 77