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()
70 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_release()  local
72 	if (!ctxdata)  in amdtee_release()
78 		sess = list_first_entry_or_null(&ctxdata->sess_list,  in amdtee_release()
88 	mutex_destroy(&ctxdata->shm_mutex);  in amdtee_release()
89 	kfree(ctxdata);  in amdtee_release()
109 static struct amdtee_session *alloc_session(struct amdtee_context_data *ctxdata,  in alloc_session()  argument
116 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in alloc_session()
128 		list_add(&sess->list_node, &ctxdata->sess_list);  in alloc_session()
135 static struct amdtee_session *find_session(struct amdtee_context_data *ctxdata,  in find_session()  argument
145 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in find_session()
155 	struct amdtee_context_data *ctxdata = shm->ctx->data;  in get_buffer_id()  local
159 	mutex_lock(&ctxdata->shm_mutex);  in get_buffer_id()
160 	list_for_each_entry(shmdata, &ctxdata->shm_list, shm_node)  in get_buffer_id()
165 	mutex_unlock(&ctxdata->shm_mutex);  in get_buffer_id()
236 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_open_session()  local
262 	sess = alloc_session(ctxdata, arg->session);  in amdtee_open_session()
307 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_close_session()  local
318 	sess = find_session(ctxdata, session);  in amdtee_close_session()
343 	struct amdtee_context_data *ctxdata;  in amdtee_map_shmem()  local
373 	ctxdata = shm->ctx->data;  in amdtee_map_shmem()
374 	mutex_lock(&ctxdata->shm_mutex);  in amdtee_map_shmem()
375 	list_add(&shmnode->shm_node, &ctxdata->shm_list);  in amdtee_map_shmem()
376 	mutex_unlock(&ctxdata->shm_mutex);  in amdtee_map_shmem()
385 	struct amdtee_context_data *ctxdata;  in amdtee_unmap_shmem()  local
396 	ctxdata = shm->ctx->data;  in amdtee_unmap_shmem()
397 	mutex_lock(&ctxdata->shm_mutex);  in amdtee_unmap_shmem()
398 	list_for_each_entry(shmnode, &ctxdata->shm_list, shm_node)  in amdtee_unmap_shmem()
404 	mutex_unlock(&ctxdata->shm_mutex);  in amdtee_unmap_shmem()
411 	struct amdtee_context_data *ctxdata = ctx->data;  in amdtee_invoke_func()  local
417 	sess = find_session(ctxdata, arg->session);  in amdtee_invoke_func()