net/ipv6/exthdrs.c:1265: warning: No description found for return value of 'ipv6_renew_options'
net/ipv6/exthdrs.c:1353: warning: No description found for return value of 'fl6_update_dst'
net/ipv6/exthdrs.c:1264: warning: No description found for return value of 'ipv6_renew_options'
net/ipv6/exthdrs.c:1352: warning: No description found for return value of 'fl6_update_dst'