Warnings before patch:
files: ['net/netfilter/nf_tables_api.c', 'include/linux/err.h', 'kernel/events/hw_breakpoint.c']
<parse fail>: Warning: include/linux/err.h:82 No description found for return value of 'IS_ERR_OR_NULL'
<parse fail>: Warning: include/linux/err.h:94 No description found for return value of 'ERR_CAST'
<parse fail>: Warning: kernel/events/hw_breakpoint.c:744 No description found for return value of 'register_user_hw_breakpoint'
<parse fail>: Warning: kernel/events/hw_breakpoint.c:797 No description found for return value of 'modify_user_hw_breakpoint'
<parse fail>: Warning: kernel/events/hw_breakpoint.c:844 No description found for return value of 'register_wide_hw_breakpoint'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:3275 No description found for return value of 'nft_register_expr'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:8019 No description found for return value of 'nft_register_obj'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11565 No description found for return value of 'nft_parse_u32_check'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11608 No description found for return value of 'nft_dump_register'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11899 No description found for return value of 'nft_data_init'
Warning: include/linux/err.h:82 No description found for return value of 'IS_ERR_OR_NULL'
Warning: include/linux/err.h:94 No description found for return value of 'ERR_CAST'
Warning: kernel/events/hw_breakpoint.c:744 No description found for return value of 'register_user_hw_breakpoint'
Warning: kernel/events/hw_breakpoint.c:797 No description found for return value of 'modify_user_hw_breakpoint'
Warning: kernel/events/hw_breakpoint.c:844 No description found for return value of 'register_wide_hw_breakpoint'
Warning: net/netfilter/nf_tables_api.c:3275 No description found for return value of 'nft_register_expr'
Warning: net/netfilter/nf_tables_api.c:8019 No description found for return value of 'nft_register_obj'
Warning: net/netfilter/nf_tables_api.c:11565 No description found for return value of 'nft_parse_u32_check'
Warning: net/netfilter/nf_tables_api.c:11608 No description found for return value of 'nft_dump_register'
Warning: net/netfilter/nf_tables_api.c:11899 No description found for return value of 'nft_data_init'

Current warnings:
files: ['net/netfilter/nf_tables_api.c', 'include/linux/err.h', 'kernel/events/hw_breakpoint.c']
<parse fail>: Warning: include/linux/err.h:82 No description found for return value of 'IS_ERR_OR_NULL'
<parse fail>: Warning: include/linux/err.h:94 No description found for return value of 'ERR_CAST'
<parse fail>: Warning: kernel/events/hw_breakpoint.c:744 No description found for return value of 'register_user_hw_breakpoint'
<parse fail>: Warning: kernel/events/hw_breakpoint.c:797 No description found for return value of 'modify_user_hw_breakpoint'
<parse fail>: Warning: kernel/events/hw_breakpoint.c:844 No description found for return value of 'register_wide_hw_breakpoint'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:3275 No description found for return value of 'nft_register_expr'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:8019 No description found for return value of 'nft_register_obj'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11565 No description found for return value of 'nft_parse_u32_check'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11608 No description found for return value of 'nft_dump_register'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11899 No description found for return value of 'nft_data_init'
Warning: include/linux/err.h:82 No description found for return value of 'IS_ERR_OR_NULL'
Warning: include/linux/err.h:94 No description found for return value of 'ERR_CAST'
Warning: kernel/events/hw_breakpoint.c:744 No description found for return value of 'register_user_hw_breakpoint'
Warning: kernel/events/hw_breakpoint.c:797 No description found for return value of 'modify_user_hw_breakpoint'
Warning: kernel/events/hw_breakpoint.c:844 No description found for return value of 'register_wide_hw_breakpoint'
Warning: net/netfilter/nf_tables_api.c:3275 No description found for return value of 'nft_register_expr'
Warning: net/netfilter/nf_tables_api.c:8019 No description found for return value of 'nft_register_obj'
Warning: net/netfilter/nf_tables_api.c:11565 No description found for return value of 'nft_parse_u32_check'
Warning: net/netfilter/nf_tables_api.c:11608 No description found for return value of 'nft_dump_register'
Warning: net/netfilter/nf_tables_api.c:11899 No description found for return value of 'nft_data_init'

Warnings before: 10 after: 10