45 	struct psample_group *psample_group;  in tcf_sample_init()  local
84 	psample_group = psample_group_get(net, psample_group_num);  in tcf_sample_init()
85 	if (!psample_group) {  in tcf_sample_init()
96 	RCU_INIT_POINTER(s->psample_group, psample_group);  in tcf_sample_init()
112 	struct psample_group *psample_group;  in tcf_sample_cleanup()  local
115 	psample_group = rcu_dereference_protected(s->psample_group, 1);  in tcf_sample_cleanup()
116 	RCU_INIT_POINTER(s->psample_group, NULL);  in tcf_sample_cleanup()
117 	if (psample_group)  in tcf_sample_cleanup()
118 		psample_group_put(psample_group);  in tcf_sample_cleanup()
140 	struct psample_group *psample_group;  in tcf_sample_act()  local
150 	psample_group = rcu_dereference_bh(s->psample_group);  in tcf_sample_act()
153 	if (psample_group && (prandom_u32() % s->rate == 0)) {  in tcf_sample_act()
167 		psample_sample_packet(psample_group, skb, size, iif, oif,  in tcf_sample_act()