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rtc/m41t80: use rtc_valid_tm() to check returned tm

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Use rtc_valid_tm() to check returned struct rtc_time *tm - it can avoid
returning wrong tm value.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wan ZongShun 2010-08-10 18:02:15 -07:00 committed by Linus Torvalds
parent d6c7428f9c
commit b485fe5ea1
1 changed files with 2 additions and 2 deletions
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4
drivers/rtc/rtc-m41t80.c
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@ -121,7 +121,7 @@ static int m41t80_get_datetime(struct i2c_client *client,
/* assume 20YY not 19YY, and ignore the Century Bit */
tm->tm_year = bcd2bin(buf[M41T80_REG_YEAR]) + 100;
return 0;
return rtc_valid_tm(tm);
}
/* Sets the given date and time to the real time clock. */
@ -364,7 +364,7 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
t->time.tm_isdst = -1;
t->enabled = !!(reg[M41T80_REG_ALARM_MON] & M41T80_ALMON_AFE);
t->pending = !!(reg[M41T80_REG_FLAGS] & M41T80_FLAGS_AF);
return 0;
return rtc_valid_tm(t);
}
static struct rtc_class_ops m41t80_rtc_ops = {