Warnings before patch:
files: ['kernel/printk/printk.c']
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: 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'

Current warnings:
files: ['kernel/printk/printk.c']
Warning: kernel/printk/printk.c:2658 No description found for return value of 'add_preferred_console'
Warning: kernel/printk/printk.c:2820 No description found for return value of 'console_cpu_notify'
Warning: kernel/printk/printk.c:2866 No description found for return value of 'console_trylock'
Warning: kernel/printk/printk.c:4717 No description found for return value of 'printk_timed_ratelimit'
Warning: kernel/printk/printk.c:4740 No description found for return value of 'kmsg_dump_register'
Warning: kernel/printk/printk.c:4769 No description found for return value of 'kmsg_dump_unregister'
Warning: kernel/printk/printk.c:4863 No description found for return value of 'kmsg_dump_get_line'
Warning: kernel/printk/printk.c:4921 No description found for return value of 'kmsg_dump_get_buffer'
Warning: kernel/printk/printk.c:2658 No description found for return value of 'add_preferred_console'
Warning: kernel/printk/printk.c:2820 No description found for return value of 'console_cpu_notify'
Warning: kernel/printk/printk.c:2866 No description found for return value of 'console_trylock'
Warning: kernel/printk/printk.c:4717 No description found for return value of 'printk_timed_ratelimit'
Warning: kernel/printk/printk.c:4740 No description found for return value of 'kmsg_dump_register'
Warning: kernel/printk/printk.c:4769 No description found for return value of 'kmsg_dump_unregister'
Warning: kernel/printk/printk.c:4863 No description found for return value of 'kmsg_dump_get_line'
Warning: kernel/printk/printk.c:4921 No description found for return value of 'kmsg_dump_get_buffer'

Warnings before: 16 after: 16