37 	struct amdtee_context_data *ctxdata;  in amdtee_open()  local
39 	ctxdata = kzalloc(sizeof(*ctxdata), GFP_KERNEL);  in amdtee_open()
40 	if (!ctxdata)  in amdtee_open()
43 	INIT_LIST_HEAD(&ctxdata->sess_list);  in amdtee_open()
44 	INIT_LIST_HEAD(&ctxdata->shm_list);  in amdtee_open()
45 	mutex_init(&ctxdata->shm_mutex);  in amdtee_open()
47 	ctx->data = ctxdata;  in amdtee_open()
71 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_release()  local
73 	if (!ctxdata)  in amdtee_release()
79 		sess = list_first_entry_or_null(&ctxdata->sess_list,  in amdtee_release()
89 	mutex_destroy(&ctxdata->shm_mutex);  in amdtee_release()
90 	kfree(ctxdata);  in amdtee_release()
110 static struct amdtee_session *alloc_session(struct amdtee_context_data *ctxdata,  in alloc_session()  argument
117 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in alloc_session()
129 		list_add(&sess->list_node, &ctxdata->sess_list);  in alloc_session()
136 static struct amdtee_session *find_session(struct amdtee_context_data *ctxdata,  in find_session()  argument
146 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in find_session()
156 	struct amdtee_context_data *ctxdata = shm->ctx->data;  in get_buffer_id()  local
160 	mutex_lock(&ctxdata->shm_mutex);  in get_buffer_id()
161 	list_for_each_entry(shmdata, &ctxdata->shm_list, shm_node)  in get_buffer_id()
166 	mutex_unlock(&ctxdata->shm_mutex);  in get_buffer_id()
239 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_open_session()  local
263 	sess = alloc_session(ctxdata, arg->session);  in amdtee_open_session()
305 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_close_session()  local
316 	sess = find_session(ctxdata, session);  in amdtee_close_session()
340 	struct amdtee_context_data *ctxdata;  in amdtee_map_shmem()  local
370 	ctxdata = shm->ctx->data;  in amdtee_map_shmem()
371 	mutex_lock(&ctxdata->shm_mutex);  in amdtee_map_shmem()
372 	list_add(&shmnode->shm_node, &ctxdata->shm_list);  in amdtee_map_shmem()
373 	mutex_unlock(&ctxdata->shm_mutex);  in amdtee_map_shmem()
382 	struct amdtee_context_data *ctxdata;  in amdtee_unmap_shmem()  local
393 	ctxdata = shm->ctx->data;  in amdtee_unmap_shmem()
394 	mutex_lock(&ctxdata->shm_mutex);  in amdtee_unmap_shmem()
395 	list_for_each_entry(shmnode, &ctxdata->shm_list, shm_node)  in amdtee_unmap_shmem()
401 	mutex_unlock(&ctxdata->shm_mutex);  in amdtee_unmap_shmem()
408 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_invoke_func()  local
414 	sess = find_session(ctxdata, arg->session);  in amdtee_invoke_func()