89 static DEFINE_MUTEX(register_mutex);
250 		mutex_lock(&register_mutex);  in snd_timer_open()
253 			mutex_unlock(&register_mutex);  in snd_timer_open()
261 		mutex_unlock(&register_mutex);  in snd_timer_open()
267 	mutex_lock(&register_mutex);  in snd_timer_open()
271 		mutex_unlock(&register_mutex);  in snd_timer_open()
273 		mutex_lock(&register_mutex);  in snd_timer_open()
278 		mutex_unlock(&register_mutex);  in snd_timer_open()
285 			mutex_unlock(&register_mutex);  in snd_timer_open()
291 		mutex_unlock(&register_mutex);  in snd_timer_open()
303 	mutex_unlock(&register_mutex);  in snd_timer_open()
333 		mutex_lock(&register_mutex);  in snd_timer_close()
335 		mutex_unlock(&register_mutex);  in snd_timer_close()
348 		mutex_lock(&register_mutex);  in snd_timer_close()
369 		mutex_unlock(&register_mutex);  in snd_timer_close()
866 	mutex_lock(&register_mutex);  in snd_timer_free()
878 	mutex_unlock(&register_mutex);  in snd_timer_free()
903 	mutex_lock(&register_mutex);  in snd_timer_dev_register()
924 		mutex_unlock(&register_mutex);  in snd_timer_dev_register()
928 	mutex_unlock(&register_mutex);  in snd_timer_dev_register()
942 	mutex_lock(&register_mutex);  in snd_timer_dev_disconnect()
954 	mutex_unlock(&register_mutex);  in snd_timer_dev_disconnect()
1122 	mutex_lock(&register_mutex);  in snd_timer_proc_read()
1159 	mutex_unlock(&register_mutex);  in snd_timer_proc_read()
1389 	mutex_lock(&register_mutex);  in snd_timer_user_next_device()
1471 	mutex_unlock(&register_mutex);  in snd_timer_user_next_device()
1493 	mutex_lock(&register_mutex);  in snd_timer_user_ginfo()
1512 	mutex_unlock(&register_mutex);  in snd_timer_user_ginfo()
1528 	mutex_lock(&register_mutex);  in snd_timer_user_gparams()
1544 	mutex_unlock(&register_mutex);  in snd_timer_user_gparams()
1561 	mutex_lock(&register_mutex);  in snd_timer_user_gstatus()
1578 	mutex_unlock(&register_mutex);  in snd_timer_user_gstatus()