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rtc: HYM8563: don't call rtc_year_days

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If i2c error, the driver may call rtc_year_days with month -1, which will
cause crash. Fix this by never call rtc_year_days at all.

Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
This commit is contained in:
Huang, Tao 2015-03-12 15:48:12 +08:00
parent 29dc0928ee
commit 9a742e52b1
1 changed files with 0 additions and 1 deletions
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1
drivers/rtc/rtc-HYM8563.c
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@ -227,7 +227,6 @@ static int hym8563_read_datetime(struct i2c_client *client, struct rtc_time *tm)
else
tm->tm_year += 2000;
tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year);
tm->tm_year -= 1900; //inorder to cooperate the systerm time
if(tm->tm_year < 0)
tm->tm_year = 0;