1896 	if (refcount_dec_and_test(&ri->rph->ref))  in free_rp_inst_rcu()
1897 		kfree(ri->rph);  in free_rp_inst_rcu()
1957 	if (refcount_sub_and_test(count, &rp->rph->ref)) {  in free_rp_inst()
1958 		kfree(rp->rph);  in free_rp_inst()
1959 		rp->rph = NULL;  in free_rp_inst()
2264 	rp->rph = kzalloc(sizeof(struct kretprobe_holder), GFP_KERNEL);  in register_kretprobe()
2265 	if (!rp->rph)  in register_kretprobe()
2268 	rcu_assign_pointer(rp->rph->rp, rp);  in register_kretprobe()
2272 			refcount_set(&rp->rph->ref, i);  in register_kretprobe()
2276 		inst->rph = rp->rph;  in register_kretprobe()
2279 	refcount_set(&rp->rph->ref, i);  in register_kretprobe()
2328 		rcu_assign_pointer(rps[i]->rph->rp, NULL);  in unregister_kretprobes()