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rtc: HYM8563: don't call rtc_year_days
author
Huang, Tao
<huangtao@rock-chips.com>
Thu, 12 Mar 2015 07:48:12 +0000
(15:48 +0800)
committer
Huang, Tao
<huangtao@rock-chips.com>
Thu, 12 Mar 2015 07:48:12 +0000
(15:48 +0800)
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>
drivers/rtc/rtc-HYM8563.c
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diff --git
a/drivers/rtc/rtc-HYM8563.c
b/drivers/rtc/rtc-HYM8563.c
index c20f4b867bfe6ea9fd21a023ad0bcb302408106a..056bd3e050d549aaf0482e66ae8f1e1d96716f8b 100755
(executable)
--- a/
drivers/rtc/rtc-HYM8563.c
+++ b/
drivers/rtc/rtc-HYM8563.c
@@
-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;