31 	struct task_struct *tracer;  member
141 static int yama_ptracer_add(struct task_struct *tracer,  in yama_ptracer_add()  argument
151 	added->tracer = tracer;  in yama_ptracer_add()
179 static void yama_ptracer_del(struct task_struct *tracer,  in yama_ptracer_del()  argument
190 		    (tracer && relation->tracer == tracer)) {  in yama_ptracer_del()
247 			struct task_struct *tracer;  in yama_task_prctl()  local
249 			tracer = find_get_task_by_vpid(arg2);  in yama_task_prctl()
250 			if (!tracer) {  in yama_task_prctl()
253 				rc = yama_ptracer_add(tracer, myself);  in yama_task_prctl()
254 				put_task_struct(tracer);  in yama_task_prctl()
305 static int ptracer_exception_found(struct task_struct *tracer,  in ptracer_exception_found()  argument
320 	if (parent != NULL && same_thread_group(parent, tracer)) {  in ptracer_exception_found()
332 			parent = relation->tracer;  in ptracer_exception_found()
338 	if (found && (parent == NULL || task_is_descendant(parent, tracer)))  in ptracer_exception_found()