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rtc/m41t80: use rtc_valid_tm() to check returned tm
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>
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1 changed files with 2 additions and 2 deletions
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@ -121,7 +121,7 @@ static int m41t80_get_datetime(struct i2c_client *client,
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/* assume 20YY not 19YY, and ignore the Century Bit */
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tm->tm_year = bcd2bin(buf[M41T80_REG_YEAR]) + 100;
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return 0;
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return rtc_valid_tm(tm);
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}
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/* Sets the given date and time to the real time clock. */
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@ -364,7 +364,7 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
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t->time.tm_isdst = -1;
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t->enabled = !!(reg[M41T80_REG_ALARM_MON] & M41T80_ALMON_AFE);
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t->pending = !!(reg[M41T80_REG_FLAGS] & M41T80_FLAGS_AF);
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return 0;
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return rtc_valid_tm(t);
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}
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static struct rtc_class_ops m41t80_rtc_ops = {
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