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-rw-r--r--drivers/char/ds1286.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/char/ds1286.c b/drivers/char/ds1286.c
index 6d58b0370802..59146e3365ba 100644
--- a/drivers/char/ds1286.c
+++ b/drivers/char/ds1286.c
@@ -197,6 +197,7 @@ static int ds1286_ioctl(struct inode *inode, struct file *file,
hrs = alm_tm.tm_hour;
min = alm_tm.tm_min;
+ sec = alm_tm.tm_sec;
if (hrs >= 24)
hrs = 0xff;
@@ -204,9 +205,11 @@ static int ds1286_ioctl(struct inode *inode, struct file *file,
if (min >= 60)
min = 0xff;
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hrs);
+ if (sec != 0)
+ return -EINVAL;
+
+ min = BIN2BCD(min);
+ min = BIN2BCD(hrs);
spin_lock(&ds1286_lock);
rtc_write(hrs, RTC_HOURS_ALARM);