drivers/net/ovpn/netlink.c:130: warning: No description found for return value of 'ovpn_nl_init'
drivers/net/ovpn/netlink.c:138: warning: No description found for return value of 'ovpn_nl_register'
drivers/net/ovpn/netlink.c:181: warning: No description found for return value of 'ovpn_nl_init'
drivers/net/ovpn/netlink.c:189: warning: No description found for return value of 'ovpn_nl_register'