net/ipv4/udp.c:243: warning: No description found for return value of 'udp_lib_get_port'
net/ipv4/udp.c:1876: warning: No description found for return value of 'first_packet_length'
net/ipv4/udp.c:3169: warning: No description found for return value of 'udp_poll'
net/ipv4/udp.c:244: warning: No description found for return value of 'udp_lib_get_port'
net/ipv4/udp.c:1877: warning: No description found for return value of 'first_packet_length'
net/ipv4/udp.c:3171: warning: No description found for return value of 'udp_poll'