android/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

rtc: initialize output parameter for read alarm to "uninitialized"

Browse Source 
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: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Uwe Kleine-König 2016-05-11 09:11:23 +02:00 committed by Alexandre Belloni
parent 1a695a905c
commit d68778b80d
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/rtc/interface.c
View File

@ -104,7 +104,17 @@ static int rtc_read_alarm_internal(struct rtc_device *rtc, struct rtc_wkalrm *al
else if (!rtc->ops->read_alarm) else if (!rtc->ops->read_alarm)
err = -EINVAL; err = -EINVAL;
else { 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); err = rtc->ops->read_alarm(rtc->dev.parent, alarm);
} }