Commit 4c4e5df1 authored by Baolin Wang's avatar Baolin Wang Committed by Alexandre Belloni
Browse files

rtc: Factor out the RTC range validation into rtc_valid_range() 



The RTC range validation code can be factored into rtc_valid_range()
function to avoid duplicate code.

Signed-off-by: default avatarBaolin Wang <baolin.wang@linaro.org>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 71db049e

drivers/rtc/interface.c

+18 −12
Original line number Diff line number Diff line
@@ -23,6 +23,18 @@ 
static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer);

static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer);



static int rtc_valid_range(struct rtc_device *rtc, struct rtc_time *tm)

{

	if (rtc->range_min != rtc->range_max) {

		time64_t time = rtc_tm_to_time64(tm);



		if (time < rtc->range_min || time > rtc->range_max)

			return -ERANGE;

	}



	return 0;

}



static int __rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm)

{

	int err;
@@ -70,12 +82,9 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) 
	if (err != 0)

		return err;



	if (rtc->range_min != rtc->range_max) {

		time64_t time = rtc_tm_to_time64(tm);



		if (time < rtc->range_min || time > rtc->range_max)

			return -ERANGE;

	}

	err = rtc_valid_range(rtc, tm);

	if (err)

		return err;



	err = mutex_lock_interruptible(&rtc->ops_lock);

	if (err)
@@ -381,12 +390,9 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) 
	if (err != 0)

		return err;



	if (rtc->range_min != rtc->range_max) {

		time64_t time = rtc_tm_to_time64(&alarm->time);



		if (time < rtc->range_min || time > rtc->range_max)

			return -ERANGE;

	}

	err = rtc_valid_range(rtc, &alarm->time);

	if (err)

		return err;



	err = mutex_lock_interruptible(&rtc->ops_lock);

	if (err)

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