net/ipv4/udp.c:242: warning: No description found for return value of 'udp_lib_get_port'
net/ipv4/udp.c:1875: warning: No description found for return value of 'first_packet_length'
net/ipv4/udp.c:3168: warning: No description found for return value of 'udp_poll'
net/ipv4/udp.c:242: 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:3175: warning: No description found for return value of 'udp_poll'