Warnings before patch:
files: ['include/net/ioam6.h', 'net/ipv6/exthdrs.c', 'net/ipv6/ioam6.c', 'net/ipv6/ioam6_iptunnel.c']
Warning: net/ipv6/exthdrs.c:1261 No description found for return value of 'ipv6_renew_options'
Warning: net/ipv6/exthdrs.c:1349 No description found for return value of 'fl6_update_dst'
Warning: net/ipv6/exthdrs.c:1261 No description found for return value of 'ipv6_renew_options'
Warning: net/ipv6/exthdrs.c:1349 No description found for return value of 'fl6_update_dst'

Current warnings:
files: ['include/net/ioam6.h', 'net/ipv6/exthdrs.c', 'net/ipv6/ioam6.c', 'net/ipv6/ioam6_iptunnel.c']
Warning: net/ipv6/exthdrs.c:1266 No description found for return value of 'ipv6_renew_options'
Warning: net/ipv6/exthdrs.c:1354 No description found for return value of 'fl6_update_dst'
Warning: net/ipv6/exthdrs.c:1266 No description found for return value of 'ipv6_renew_options'
Warning: net/ipv6/exthdrs.c:1354 No description found for return value of 'fl6_update_dst'

Warnings before: 4 after: 4