net/ipv4/udp.c:241: 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:3146: warning: No description found for return value of 'udp_poll'
net/ipv4/udp.c:241: warning: No description found for return value of 'udp_lib_get_port'
net/ipv4/udp.c:1874: warning: No description found for return value of 'first_packet_length'
net/ipv4/udp.c:3144: warning: No description found for return value of 'udp_poll'