Warnings before patch:
files: ['net/ipv4/udp.c', 'net/ipv6/udp.c']
Warning: net/ipv4/udp.c:236 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1903 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3102 No description found for return value of 'udp_poll'
Warning: net/ipv4/udp.c:236 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1903 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3102 No description found for return value of 'udp_poll'

Current warnings:
files: ['net/ipv4/udp.c', 'net/ipv6/udp.c']
Warning: net/ipv4/udp.c:236 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1902 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3101 No description found for return value of 'udp_poll'
Warning: net/ipv4/udp.c:236 No description found for return value of 'udp_lib_get_port'
Warning: net/ipv4/udp.c:1902 No description found for return value of 'first_packet_length'
Warning: net/ipv4/udp.c:3101 No description found for return value of 'udp_poll'

Warnings before: 6 after: 6