nfnl_dereference_protected 225 net/netfilter/nfnetlink.c if (nfnl_dereference_protected(subsys_id) != ss || nfnl_dereference_protected 319 net/netfilter/nfnetlink.c ss = nfnl_dereference_protected(subsys_id); nfnl_dereference_protected 325 net/netfilter/nfnetlink.c ss = nfnl_dereference_protected(subsys_id);