net/ipv4/devinet.c:153: warning: No description found for return value of '__ip_dev_find'
net/ipv4/igmp.c:1703: warning: No description found for return value of 'ip_mc_check_igmp'
Error: Cannot open file tools/testing/selftests/net/rtnetlink.py
net/ipv4/devinet.c:144: warning: No description found for return value of '__ip_dev_find'
net/ipv4/igmp.c:1708: warning: No description found for return value of 'ip_mc_check_igmp'