51 static void release_session(struct amdtee_session *sess)  in release_session()  argument
58 		if (!test_bit(i, sess->sess_mask))  in release_session()
61 		handle_close_session(sess->ta_handle, sess->session_info[i]);  in release_session()
62 		handle_unload_ta(sess->ta_handle);  in release_session()
65 	kfree(sess);  in release_session()
76 		struct amdtee_session *sess;  in amdtee_release()  local
78 		sess = list_first_entry_or_null(&ctxdata->sess_list,  in amdtee_release()
82 		if (!sess)  in amdtee_release()
85 		list_del(&sess->list_node);  in amdtee_release()
86 		release_session(sess);  in amdtee_release()
112 	struct amdtee_session *sess;  in alloc_session()  local
116 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in alloc_session()
117 		if (sess->ta_handle == ta_handle) {  in alloc_session()
118 			kref_get(&sess->refcount);  in alloc_session()
119 			return sess;  in alloc_session()
123 	sess = kzalloc(sizeof(*sess), GFP_KERNEL);  in alloc_session()
124 	if (sess) {  in alloc_session()
125 		sess->ta_handle = ta_handle;  in alloc_session()
126 		kref_init(&sess->refcount);  in alloc_session()
127 		spin_lock_init(&sess->lock);  in alloc_session()
128 		list_add(&sess->list_node, &ctxdata->sess_list);  in alloc_session()
131 	return sess;  in alloc_session()
140 	struct amdtee_session *sess;  in find_session()  local
145 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in find_session()
146 		if (ta_handle == sess->ta_handle &&  in find_session()
147 		    test_bit(index, sess->sess_mask))  in find_session()
148 			return sess;  in find_session()
223 	struct amdtee_session *sess = container_of(ref, struct amdtee_session,  in destroy_session()  local
226 	list_del(&sess->list_node);  in destroy_session()
228 	kfree(sess);  in destroy_session()
236 	struct amdtee_session *sess = NULL;  in amdtee_open_session()  local
261 	sess = alloc_session(ctxdata, arg->session);  in amdtee_open_session()
264 	if (!sess) {  in amdtee_open_session()
275 		kref_put_mutex(&sess->refcount, destroy_session,  in amdtee_open_session()
281 	spin_lock(&sess->lock);  in amdtee_open_session()
282 	i = find_first_zero_bit(sess->sess_mask, TEE_NUM_SESSIONS);  in amdtee_open_session()
284 		sess->session_info[i] = session_info;  in amdtee_open_session()
286 		set_bit(i, sess->sess_mask);  in amdtee_open_session()
288 	spin_unlock(&sess->lock);  in amdtee_open_session()
294 		kref_put_mutex(&sess->refcount, destroy_session,  in amdtee_open_session()
309 	struct amdtee_session *sess;  in amdtee_close_session()  local
318 	sess = find_session(ctxdata, session);  in amdtee_close_session()
319 	if (sess) {  in amdtee_close_session()
322 		session_info = sess->session_info[i];  in amdtee_close_session()
323 		spin_lock(&sess->lock);  in amdtee_close_session()
324 		clear_bit(i, sess->sess_mask);  in amdtee_close_session()
325 		spin_unlock(&sess->lock);  in amdtee_close_session()
329 	if (!sess)  in amdtee_close_session()
336 	kref_put_mutex(&sess->refcount, destroy_session, &session_list_mutex);  in amdtee_close_session()
412 	struct amdtee_session *sess;  in amdtee_invoke_func()  local
417 	sess = find_session(ctxdata, arg->session);  in amdtee_invoke_func()
418 	if (sess) {  in amdtee_invoke_func()
420 		session_info = sess->session_info[i];  in amdtee_invoke_func()
424 	if (!sess)  in amdtee_invoke_func()