In __rtc_set_alarm(), the error after __rtc_read_time() is not checked.
If rtc device fail to read time, we cannot guarantee the following process.
Add the verification code for returned __rtc_read_time() error.
Signed-off-by: Hyogi Gim <hyogi....@lge.com>
---
drivers/rtc/interface.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 5813fa5..5b2717f 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -348,6 +348,8 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct
rtc_wkalrm *alarm)
/* Make sure we're not setting alarms in the past */
err = __rtc_read_time(rtc, &tm);
+ if (err)
+ return err;
rtc_tm_to_time(&tm, &now);
if (scheduled <= now)
return -ETIME;
--
1.8.3.2
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