119 	struct ptrace_relation *relation;  in yama_relation_cleanup()  local
123 	list_for_each_entry_rcu(relation, &ptracer_relations, node) {  in yama_relation_cleanup()
124 		if (relation->invalid) {  in yama_relation_cleanup()
125 			list_del_rcu(&relation->node);  in yama_relation_cleanup()
126 			kfree_rcu(relation, rcu);  in yama_relation_cleanup()
146 	struct ptrace_relation *relation, *added;  in yama_ptracer_add()  local
158 	list_for_each_entry_rcu(relation, &ptracer_relations, node) {  in yama_ptracer_add()
159 		if (relation->invalid)  in yama_ptracer_add()
161 		if (relation->tracee == tracee) {  in yama_ptracer_add()
162 			list_replace_rcu(&relation->node, &added->node);  in yama_ptracer_add()
163 			kfree_rcu(relation, rcu);  in yama_ptracer_add()
184 	struct ptrace_relation *relation;  in yama_ptracer_del()  local
188 	list_for_each_entry_rcu(relation, &ptracer_relations, node) {  in yama_ptracer_del()
189 		if (relation->invalid)  in yama_ptracer_del()
191 		if (relation->tracee == tracee ||  in yama_ptracer_del()
192 		    (tracer && relation->tracer == tracer)) {  in yama_ptracer_del()
193 			relation->invalid = true;  in yama_ptracer_del()
311 	struct ptrace_relation *relation;  in ptracer_exception_found()  local
330 	list_for_each_entry_rcu(relation, &ptracer_relations, node) {  in ptracer_exception_found()
331 		if (relation->invalid)  in ptracer_exception_found()
333 		if (relation->tracee == tracee) {  in ptracer_exception_found()
334 			parent = relation->tracer;  in ptracer_exception_found()