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Commit d68778b8 authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Alexandre Belloni
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rtc: initialize output parameter for read alarm to "uninitialized" 



rtc drivers are supposed to set values they don't support to -1. To
simplify this for drivers and also make it harder for them to get it
wrong initialize the values to -1.

Signed-off-by: default avatarUwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent 1a695a90

drivers/rtc/interface.c

+11 −1
Original line number Diff line number Diff line
@@ -104,7 +104,17 @@ static int rtc_read_alarm_internal(struct rtc_device *rtc, struct rtc_wkalrm *al 
	else if (!rtc->ops->read_alarm)

		err = -EINVAL;

	else {

		memset(alarm, 0, sizeof(struct rtc_wkalrm));

		alarm->enabled = 0;

		alarm->pending = 0;

		alarm->time.tm_sec = -1;

		alarm->time.tm_min = -1;

		alarm->time.tm_hour = -1;

		alarm->time.tm_mday = -1;

		alarm->time.tm_mon = -1;

		alarm->time.tm_year = -1;

		alarm->time.tm_wday = -1;

		alarm->time.tm_yday = -1;

		alarm->time.tm_isdst = -1;

		err = rtc->ops->read_alarm(rtc->dev.parent, alarm);

	}