Warnings before patch:
files: ['drivers/infiniband/core/addr.c', 'drivers/infiniband/sw/rxe/rxe_net.c', 'drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c', 'drivers/net/ethernet/netronome/nfp/flower/action.c', 'drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c', 'drivers/net/ethernet/sfc/tc_encap_actions.c', 'drivers/net/gtp.c', 'drivers/net/ovpn/peer.c', 'drivers/net/ovpn/udp.c', 'drivers/net/usb/cdc_mbim.c', 'drivers/net/vxlan/vxlan_multicast.c', 'drivers/net/wireguard/socket.c', 'include/net/ipv6_stubs.h', 'include/net/udp_tunnel.h', 'net/core/filter.c', 'net/core/lwt_bpf.c', 'net/ipv4/fib_semantics.c', 'net/ipv4/icmp.c', 'net/ipv4/nexthop.c', 'net/ipv4/udp.c', 'net/ipv6/addrconf_core.c', 'net/ipv6/af_inet6.c', 'net/ipv6/ip6_output.c', 'net/ipv6/ip6_udp_tunnel.c', 'net/ipv6/ndisc.c', 'net/mpls/af_mpls.c', 'net/openvswitch/actions.c', 'net/sched/sch_frag.c', 'net/tipc/udp_media.c', 'net/xfrm/espintcp.c', 'net/xfrm/xfrm_nat_keepalive.c', 'net/xfrm/xfrm_output.c']
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1081 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1386 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1432 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1553 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12115 No description found for return value of 'bpf_skb_meta_pointer'
Warning: net/ipv4/icmp.c:235 No description found for return value of 'icmp_global_allow'
Warning: net/ipv4/udp.c:240 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1921 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3216 No description found for return value of 'udp_poll'
Warning: net/ipv6/ip6_output.c:1234 No description found for return value of 'ip6_dst_lookup'
Warning: net/ipv6/ip6_output.c:1254 No description found for return value of 'ip6_dst_lookup_flow'
Warning: net/ipv6/ip6_output.c:1289 No description found for return value of 'ip6_sk_dst_lookup_flow'
Warning: net/ipv6/ip6_udp_tunnel.c:143 No description found for return value of 'udp_tunnel6_dst_lookup'
Warning: net/tipc/udp_media.c:586 No description found for return value of 'tipc_parse_udp_addr'
Warning: net/tipc/udp_media.c:665 No description found for return value of 'tipc_udp_enable'
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1081 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1386 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1432 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1553 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12115 No description found for return value of 'bpf_skb_meta_pointer'
Warning: net/ipv4/icmp.c:235 No description found for return value of 'icmp_global_allow'
Warning: net/ipv4/udp.c:240 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1921 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3216 No description found for return value of 'udp_poll'
Warning: net/ipv6/ip6_output.c:1234 No description found for return value of 'ip6_dst_lookup'
Warning: net/ipv6/ip6_output.c:1254 No description found for return value of 'ip6_dst_lookup_flow'
Warning: net/ipv6/ip6_output.c:1289 No description found for return value of 'ip6_sk_dst_lookup_flow'
Warning: net/ipv6/ip6_udp_tunnel.c:143 No description found for return value of 'udp_tunnel6_dst_lookup'
Warning: net/tipc/udp_media.c:586 No description found for return value of 'tipc_parse_udp_addr'
Warning: net/tipc/udp_media.c:665 No description found for return value of 'tipc_udp_enable'

Current warnings:
files: ['drivers/infiniband/core/addr.c', 'drivers/infiniband/sw/rxe/rxe_net.c', 'drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c', 'drivers/net/ethernet/netronome/nfp/flower/action.c', 'drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c', 'drivers/net/ethernet/sfc/tc_encap_actions.c', 'drivers/net/gtp.c', 'drivers/net/ovpn/peer.c', 'drivers/net/ovpn/udp.c', 'drivers/net/usb/cdc_mbim.c', 'drivers/net/vxlan/vxlan_multicast.c', 'drivers/net/wireguard/socket.c', 'include/net/ipv6_stubs.h', 'include/net/udp_tunnel.h', 'net/core/filter.c', 'net/core/lwt_bpf.c', 'net/ipv4/fib_semantics.c', 'net/ipv4/icmp.c', 'net/ipv4/nexthop.c', 'net/ipv4/udp.c', 'net/ipv6/addrconf_core.c', 'net/ipv6/af_inet6.c', 'net/ipv6/ip6_output.c', 'net/ipv6/ip6_udp_tunnel.c', 'net/ipv6/ndisc.c', 'net/mpls/af_mpls.c', 'net/openvswitch/actions.c', 'net/sched/sch_frag.c', 'net/tipc/udp_media.c', 'net/xfrm/espintcp.c', 'net/xfrm/xfrm_nat_keepalive.c', 'net/xfrm/xfrm_output.c']
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1081 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1386 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1432 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1553 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12115 No description found for return value of 'bpf_skb_meta_pointer'
Warning: net/ipv4/icmp.c:235 No description found for return value of 'icmp_global_allow'
Warning: net/ipv4/udp.c:240 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1921 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3216 No description found for return value of 'udp_poll'
Warning: net/ipv6/ip6_output.c:1235 No description found for return value of 'ip6_dst_lookup'
Warning: net/ipv6/ip6_output.c:1255 No description found for return value of 'ip6_dst_lookup_flow'
Warning: net/ipv6/ip6_output.c:1290 No description found for return value of 'ip6_sk_dst_lookup_flow'
Warning: net/ipv6/ip6_udp_tunnel.c:143 No description found for return value of 'udp_tunnel6_dst_lookup'
Warning: net/tipc/udp_media.c:586 No description found for return value of 'tipc_parse_udp_addr'
Warning: net/tipc/udp_media.c:665 No description found for return value of 'tipc_udp_enable'
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1081 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1386 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1432 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1553 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12115 No description found for return value of 'bpf_skb_meta_pointer'
Warning: net/ipv4/icmp.c:235 No description found for return value of 'icmp_global_allow'
Warning: net/ipv4/udp.c:240 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1921 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3216 No description found for return value of 'udp_poll'
Warning: net/ipv6/ip6_output.c:1235 No description found for return value of 'ip6_dst_lookup'
Warning: net/ipv6/ip6_output.c:1255 No description found for return value of 'ip6_dst_lookup_flow'
Warning: net/ipv6/ip6_output.c:1290 No description found for return value of 'ip6_sk_dst_lookup_flow'
Warning: net/ipv6/ip6_udp_tunnel.c:143 No description found for return value of 'udp_tunnel6_dst_lookup'
Warning: net/tipc/udp_media.c:586 No description found for return value of 'tipc_parse_udp_addr'
Warning: net/tipc/udp_media.c:665 No description found for return value of 'tipc_udp_enable'

Warnings before: 34 after: 34