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rtc: Update rtc-dev to use y2038-safe time interfaces

Browse source 
Currently, rtc-dev.c uses y2038 problematic rtc_tm_to_time()
and rtc_time_to_tm(). So replace them with their corresponding
y2038-safe versions: rtc_tm_to_time64() and rtc_time64_to_tm().

Cc: pang.xunlei <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Xunlei Pang <[email protected]>
Signed-off-by: John Stultz <[email protected]>
This commit is contained in:
Xunlei Pang 2015-01-22 02:31:52 +00:00 • committed by John Stultz
commit 4ec2364f49
1 changed files with 4 additions and 4 deletions
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8
drivers/rtc/rtc-dev.c
View file

@ -304,12 +304,12 @@ static long rtc_dev_ioctl(struct file *file,
* Not supported here.
*/
{
unsigned long now, then;
time64_t now, then;
err = rtc_read_time(rtc, &tm);
if (err < 0)
return err;
rtc_tm_to_time(&tm, &now);
now = rtc_tm_to_time64(&tm);
alarm.time.tm_mday = tm.tm_mday;
alarm.time.tm_mon = tm.tm_mon;
@ -317,11 +317,11 @@ static long rtc_dev_ioctl(struct file *file,
err = rtc_valid_tm(&alarm.time);
if (err < 0)
return err;
rtc_tm_to_time(&alarm.time, &then);
then = rtc_tm_to_time64(&alarm.time);
/* alarm may need to wrap into tomorrow */
if (then < now) {
rtc_time_to_tm(now + 24 * 60 * 60, &tm);
rtc_time64_to_tm(now + 24 * 60 * 60, &tm);
alarm.time.tm_mday = tm.tm_mday;
alarm.time.tm_mon = tm.tm_mon;
alarm.time.tm_year = tm.tm_year;