netlink_has_listeners 186 include/linux/netlink.h extern int netlink_has_listeners(struct sock *sk, unsigned int group); netlink_has_listeners 1508 include/net/xfrm.h ret = netlink_has_listeners(nlsk, XFRMNLGRP_AEVENTS); netlink_has_listeners 104 net/netfilter/nfnetlink.c return netlink_has_listeners(nfnl, group);