net/ipv4/udp.c:243: warning: No description found for return value of 'udp_lib_get_port'
net/ipv4/udp.c:1664: warning: No description found for return value of 'first_packet_length'
net/ipv4/udp.c:2894: warning: No description found for return value of 'udp_poll'
net/ipv4/udp.c:243: warning: No description found for return value of 'udp_lib_get_port'
net/ipv4/udp.c:1695: warning: No description found for return value of 'first_packet_length'
net/ipv4/udp.c:2925: warning: No description found for return value of 'udp_poll'