Warnings before patch:
files: ['net/netfilter/ipset/ip_set_core.c', 'net/netfilter/nf_tables_api.c', 'net/netfilter/nfnetlink_acct.c', 'net/netfilter/nfnetlink_cthelper.c', 'net/netfilter/nfnetlink_hook.c', 'net/netfilter/nfnetlink_log.c', 'net/netfilter/nfnetlink_osf.c', 'net/netfilter/nfnetlink_queue.c', 'net/netfilter/nft_compat.c', 'net/netfilter/nft_connlimit.c', 'net/netfilter/nft_ct.c', 'net/netfilter/nft_dynset.c', 'net/netfilter/nft_exthdr.c', 'net/netfilter/nft_inner.c', 'net/netfilter/nft_limit.c', 'net/netfilter/nft_log.c', 'net/netfilter/nft_osf.c', 'net/netfilter/nft_payload.c', 'net/netfilter/nft_queue.c', 'net/netfilter/nft_quota.c', 'net/netfilter/nft_synproxy.c', 'net/netfilter/nft_tunnel.c', 'net/netfilter/nft_xfrm.c']
Warning: net/netfilter/nf_tables_api.c:3252 No description found for return value of 'nft_register_expr'
Warning: net/netfilter/nf_tables_api.c:7917 No description found for return value of 'nft_register_obj'
Warning: net/netfilter/nf_tables_api.c:11403 No description found for return value of 'nft_parse_u32_check'
Warning: net/netfilter/nf_tables_api.c:11446 No description found for return value of 'nft_dump_register'
Warning: net/netfilter/nf_tables_api.c:11729 No description found for return value of 'nft_data_init'
Warning: net/netfilter/nf_tables_api.c:3252 No description found for return value of 'nft_register_expr'
Warning: net/netfilter/nf_tables_api.c:7917 No description found for return value of 'nft_register_obj'
Warning: net/netfilter/nf_tables_api.c:11403 No description found for return value of 'nft_parse_u32_check'
Warning: net/netfilter/nf_tables_api.c:11446 No description found for return value of 'nft_dump_register'
Warning: net/netfilter/nf_tables_api.c:11729 No description found for return value of 'nft_data_init'

Current warnings:
files: ['net/netfilter/ipset/ip_set_core.c', 'net/netfilter/nf_tables_api.c', 'net/netfilter/nfnetlink_acct.c', 'net/netfilter/nfnetlink_cthelper.c', 'net/netfilter/nfnetlink_hook.c', 'net/netfilter/nfnetlink_log.c', 'net/netfilter/nfnetlink_osf.c', 'net/netfilter/nfnetlink_queue.c', 'net/netfilter/nft_compat.c', 'net/netfilter/nft_connlimit.c', 'net/netfilter/nft_ct.c', 'net/netfilter/nft_dynset.c', 'net/netfilter/nft_exthdr.c', 'net/netfilter/nft_inner.c', 'net/netfilter/nft_limit.c', 'net/netfilter/nft_log.c', 'net/netfilter/nft_osf.c', 'net/netfilter/nft_payload.c', 'net/netfilter/nft_queue.c', 'net/netfilter/nft_quota.c', 'net/netfilter/nft_synproxy.c', 'net/netfilter/nft_tunnel.c', 'net/netfilter/nft_xfrm.c']
Warning: net/netfilter/nf_tables_api.c:3252 No description found for return value of 'nft_register_expr'
Warning: net/netfilter/nf_tables_api.c:7927 No description found for return value of 'nft_register_obj'
Warning: net/netfilter/nf_tables_api.c:11413 No description found for return value of 'nft_parse_u32_check'
Warning: net/netfilter/nf_tables_api.c:11456 No description found for return value of 'nft_dump_register'
Warning: net/netfilter/nf_tables_api.c:11739 No description found for return value of 'nft_data_init'
Warning: net/netfilter/nf_tables_api.c:3252 No description found for return value of 'nft_register_expr'
Warning: net/netfilter/nf_tables_api.c:7927 No description found for return value of 'nft_register_obj'
Warning: net/netfilter/nf_tables_api.c:11413 No description found for return value of 'nft_parse_u32_check'
Warning: net/netfilter/nf_tables_api.c:11456 No description found for return value of 'nft_dump_register'
Warning: net/netfilter/nf_tables_api.c:11739 No description found for return value of 'nft_data_init'

Warnings before: 10 after: 10