Warnings before patch:
files: ['net/netfilter/nft_lookup.c', 'net/netfilter/nf_tables_api.c']
<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: 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/nft_lookup.c', 'net/netfilter/nf_tables_api.c']
<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:8017 No description found for return value of 'nft_register_obj'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11563 No description found for return value of 'nft_parse_u32_check'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11606 No description found for return value of 'nft_dump_register'
<parse fail>: Warning: net/netfilter/nf_tables_api.c:11897 No description found for return value of 'nft_data_init'
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:8017 No description found for return value of 'nft_register_obj'
Warning: net/netfilter/nf_tables_api.c:11563 No description found for return value of 'nft_parse_u32_check'
Warning: net/netfilter/nf_tables_api.c:11606 No description found for return value of 'nft_dump_register'
Warning: net/netfilter/nf_tables_api.c:11897 No description found for return value of 'nft_data_init'

Warnings before: 5 after: 5