58 static	kmutex_t	devpoll_lock;	/* lock protecting dev tbl */  variable
163 	mutex_init(&devpoll_lock, NULL, MUTEX_DEFAULT, NULL);  in _init()
180 	mutex_destroy(&devpoll_lock);  in _fini()
573 	mutex_enter(&devpoll_lock);  in dpopen()
589 			mutex_exit(&devpoll_lock);  in dpopen()
602 	mutex_exit(&devpoll_lock);  in dpopen()
618 	mutex_enter(&devpoll_lock);  in dpopen()
622 	mutex_exit(&devpoll_lock);  in dpopen()
651 	mutex_enter(&devpoll_lock);  in dpwrite()
655 	mutex_exit(&devpoll_lock);  in dpwrite()
1005 	mutex_enter(&devpoll_lock);  in dpioctl()
1008 	mutex_exit(&devpoll_lock);  in dpioctl()
1400 	mutex_enter(&devpoll_lock);  in dppoll()
1404 	mutex_exit(&devpoll_lock);  in dppoll()
1474 	mutex_enter(&devpoll_lock);  in dpclose()
1478 	mutex_exit(&devpoll_lock);  in dpclose()