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rtc/m48t86: use rtc_valid_tm() to check returned tm

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Use rtc_valid_tm() to check the returned struct rtc_time *tm, to avoid
returning a wrong tm value.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: Paul Gortmaker <p_gortmaker@yahoo.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 18:02:17 -07:00
committed by Linus Torvalds
parent caf1e1068b
commit 52142ed416
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/rtc-m48t86.c
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@@ -77,7 +77,7 @@ static int m48t86_rtc_read_time(struct device *dev, struct rtc_time *tm)
if (ops->readbyte(M48T86_REG_HOUR) & 0x80) if (ops->readbyte(M48T86_REG_HOUR) & 0x80)
tm->tm_hour += 12; tm->tm_hour += 12;
return 0; return rtc_valid_tm(tm);
} }
static int m48t86_rtc_set_time(struct device *dev, struct rtc_time *tm) static int m48t86_rtc_set_time(struct device *dev, struct rtc_time *tm)