Warnings before patch:
files: ['include/net/sock.h', 'net/ax25/af_ax25.c', 'net/bluetooth/af_bluetooth.c', 'net/can/bcm.c', 'net/ipv4/ping.c', 'net/ipv4/raw.c', 'net/ipv4/tcp_ipv4.c', 'net/ipv4/udp.c', 'net/ipv6/datagram.c', 'net/ipv6/tcp_ipv6.c', 'net/key/af_key.c', 'net/netlink/af_netlink.c', 'net/netlink/diag.c', 'net/packet/af_packet.c', 'net/packet/diag.c', 'net/phonet/socket.c', 'net/sctp/proc.c', 'net/unix/af_unix.c', 'net/unix/diag.c', 'net/xdp/xsk_diag.c']
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1742 No description found for return value of 'lock_sock_fast'
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:3215 No description found for return value of 'udp_poll'
Warning: net/netlink/af_netlink.c:848 No description found for return value of '__netlink_ns_capable'
Warning: net/netlink/af_netlink.c:867 No description found for return value of 'netlink_ns_capable'
Warning: net/netlink/af_netlink.c:882 No description found for return value of 'netlink_capable'
Warning: net/netlink/af_netlink.c:898 No description found for return value of 'netlink_net_capable'
Warning: net/netlink/af_netlink.c:1605 No description found for return value of 'netlink_set_err'
Warning: net/netlink/af_netlink.c:2117 No description found for return value of 'netlink_change_ngroups'
Warning: net/netlink/af_netlink.c:2579 No description found for return value of 'nlmsg_notify'
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1742 No description found for return value of 'lock_sock_fast'
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:3215 No description found for return value of 'udp_poll'
Warning: net/netlink/af_netlink.c:848 No description found for return value of '__netlink_ns_capable'
Warning: net/netlink/af_netlink.c:867 No description found for return value of 'netlink_ns_capable'
Warning: net/netlink/af_netlink.c:882 No description found for return value of 'netlink_capable'
Warning: net/netlink/af_netlink.c:898 No description found for return value of 'netlink_net_capable'
Warning: net/netlink/af_netlink.c:1605 No description found for return value of 'netlink_set_err'
Warning: net/netlink/af_netlink.c:2117 No description found for return value of 'netlink_change_ngroups'
Warning: net/netlink/af_netlink.c:2579 No description found for return value of 'nlmsg_notify'

Current warnings:
files: ['include/net/sock.h', 'net/ax25/af_ax25.c', 'net/bluetooth/af_bluetooth.c', 'net/can/bcm.c', 'net/ipv4/ping.c', 'net/ipv4/raw.c', 'net/ipv4/tcp_ipv4.c', 'net/ipv4/udp.c', 'net/ipv6/datagram.c', 'net/ipv6/tcp_ipv6.c', 'net/key/af_key.c', 'net/netlink/af_netlink.c', 'net/netlink/diag.c', 'net/packet/af_packet.c', 'net/packet/diag.c', 'net/phonet/socket.c', 'net/sctp/proc.c', 'net/unix/af_unix.c', 'net/unix/diag.c', 'net/xdp/xsk_diag.c']
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1742 No description found for return value of 'lock_sock_fast'
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:3215 No description found for return value of 'udp_poll'
Warning: net/netlink/af_netlink.c:848 No description found for return value of '__netlink_ns_capable'
Warning: net/netlink/af_netlink.c:867 No description found for return value of 'netlink_ns_capable'
Warning: net/netlink/af_netlink.c:882 No description found for return value of 'netlink_capable'
Warning: net/netlink/af_netlink.c:898 No description found for return value of 'netlink_net_capable'
Warning: net/netlink/af_netlink.c:1605 No description found for return value of 'netlink_set_err'
Warning: net/netlink/af_netlink.c:2117 No description found for return value of 'netlink_change_ngroups'
Warning: net/netlink/af_netlink.c:2579 No description found for return value of 'nlmsg_notify'
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1742 No description found for return value of 'lock_sock_fast'
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:3215 No description found for return value of 'udp_poll'
Warning: net/netlink/af_netlink.c:848 No description found for return value of '__netlink_ns_capable'
Warning: net/netlink/af_netlink.c:867 No description found for return value of 'netlink_ns_capable'
Warning: net/netlink/af_netlink.c:882 No description found for return value of 'netlink_capable'
Warning: net/netlink/af_netlink.c:898 No description found for return value of 'netlink_net_capable'
Warning: net/netlink/af_netlink.c:1605 No description found for return value of 'netlink_set_err'
Warning: net/netlink/af_netlink.c:2117 No description found for return value of 'netlink_change_ngroups'
Warning: net/netlink/af_netlink.c:2579 No description found for return value of 'nlmsg_notify'

Warnings before: 28 after: 28