27 	int err;  in rtc_dev_open()  local
37 	err = ops->open ? ops->open(rtc->dev.parent) : 0;  in rtc_dev_open()
38 	if (err == 0) {  in rtc_dev_open()
48 	return err;  in rtc_dev_open()
62 	int err;  in rtc_uie_task()  local
64 	err = rtc_read_time(rtc, &tm);  in rtc_uie_task()
67 	if (rtc->stop_uie_polling || err) {  in rtc_uie_task()
121 	int err;  in set_uie()  local
123 	err = rtc_read_time(rtc, &tm);  in set_uie()
124 	if (err)  in set_uie()
125 		return err;  in set_uie()
221 	int err = 0;  in rtc_dev_ioctl()  local
228 	err = mutex_lock_interruptible(&rtc->ops_lock);  in rtc_dev_ioctl()
229 	if (err)  in rtc_dev_ioctl()
230 		return err;  in rtc_dev_ioctl()
240 			err = -EACCES;  in rtc_dev_ioctl()
245 			err = -EACCES;  in rtc_dev_ioctl()
251 			err = -EACCES;  in rtc_dev_ioctl()
255 	if (err)  in rtc_dev_ioctl()
273 		err = rtc_read_alarm(rtc, &alarm);  in rtc_dev_ioctl()
274 		if (err < 0)  in rtc_dev_ioctl()
275 			return err;  in rtc_dev_ioctl()
278 			err = -EFAULT;  in rtc_dev_ioctl()
279 		return err;  in rtc_dev_ioctl()
309 			err = rtc_read_time(rtc, &tm);  in rtc_dev_ioctl()
310 			if (err < 0)  in rtc_dev_ioctl()
311 				return err;  in rtc_dev_ioctl()
317 			err  = rtc_valid_tm(&alarm.time);  in rtc_dev_ioctl()
318 			if (err < 0)  in rtc_dev_ioctl()
319 				return err;  in rtc_dev_ioctl()
336 		err = rtc_read_time(rtc, &tm);  in rtc_dev_ioctl()
337 		if (err < 0)  in rtc_dev_ioctl()
338 			return err;  in rtc_dev_ioctl()
341 			err = -EFAULT;  in rtc_dev_ioctl()
342 		return err;  in rtc_dev_ioctl()
353 		err = rtc_irq_set_state(rtc, NULL, 1);  in rtc_dev_ioctl()
357 		err = rtc_irq_set_state(rtc, NULL, 0);  in rtc_dev_ioctl()
377 		err = rtc_irq_set_freq(rtc, NULL, arg);  in rtc_dev_ioctl()
381 		err = put_user(rtc->irq_freq, (unsigned long __user *)uarg);  in rtc_dev_ioctl()
393 		err = rtc_read_alarm(rtc, &alarm);  in rtc_dev_ioctl()
394 		if (err < 0)  in rtc_dev_ioctl()
395 			return err;  in rtc_dev_ioctl()
398 			err = -EFAULT;  in rtc_dev_ioctl()
399 		return err;  in rtc_dev_ioctl()
404 			err = ops->ioctl(rtc->dev.parent, cmd, arg);  in rtc_dev_ioctl()
405 			if (err == -ENOIOCTLCMD)  in rtc_dev_ioctl()
406 				err = -ENOTTY;  in rtc_dev_ioctl()
408 			err = -ENOTTY;  in rtc_dev_ioctl()
414 	return err;  in rtc_dev_ioctl()
500 	int err;  in rtc_dev_init()  local
502 	err = alloc_chrdev_region(&rtc_devt, 0, RTC_DEV_MAX, "rtc");  in rtc_dev_init()
503 	if (err < 0)  in rtc_dev_init()