include/net/netfilter/nf_tables.h:306: warning: Function parameter or struct member 'buf' not described in 'nft_set_elem' net/netfilter/nf_tables_api.c:3090: warning: No description found for return value of 'nft_register_expr' net/netfilter/nf_tables_api.c:7590: warning: No description found for return value of 'nft_register_obj' net/netfilter/nf_tables_api.c:11021: warning: No description found for return value of 'nft_parse_u32_check' net/netfilter/nf_tables_api.c:11064: warning: No description found for return value of 'nft_dump_register' net/netfilter/nf_tables_api.c:11355: warning: No description found for return value of 'nft_data_init' include/net/netfilter/nf_tables.h:306: warning: Function parameter or struct member 'buf' not described in 'nft_set_elem' net/netfilter/nf_tables_api.c:3091: warning: No description found for return value of 'nft_register_expr' net/netfilter/nf_tables_api.c:7591: warning: No description found for return value of 'nft_register_obj' net/netfilter/nf_tables_api.c:11022: warning: No description found for return value of 'nft_parse_u32_check' net/netfilter/nf_tables_api.c:11065: warning: No description found for return value of 'nft_dump_register' net/netfilter/nf_tables_api.c:11356: warning: No description found for return value of 'nft_data_init'