Signed-off-by: Adam Ward <adam.ward.opensou...@diasemi.com>
Tested-by: Adam Ward <adam.ward.opensou...@diasemi.com>
---
 drivers/rtc/rtc-da9052.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c
index ead02fa..acc3e5a 100644
--- a/drivers/rtc/rtc-da9052.c
+++ b/drivers/rtc/rtc-da9052.c
@@ -206,6 +206,10 @@ static int da9052_rtc_set_time(struct device *dev, struct 
rtc_time *tm)
        uint8_t v[6];
        int ret;

+       /* DA9052 only has 6 bits for year - to represent 2000-2063 */
+       if ((tm->tm_year < 100) || (tm->tm_year > 163))
+               return -EINVAL;
+
        rtc = dev_get_drvdata(dev);

        v[0] = tm->tm_sec;
@@ -243,6 +247,10 @@ static int da9052_rtc_set_alarm(struct device *dev, struct 
rtc_wkalrm *alrm)
        struct rtc_time *tm = &alrm->time;
        struct da9052_rtc *rtc = dev_get_drvdata(dev);

+       /* DA9052 only has 6 bits for year - to represent 2000-2063 */
+       if ((tm->tm_year < 100) || (tm->tm_year > 163))
+               return -EINVAL;
+
        ret = da9052_rtc_enable_alarm(rtc, 0);
        if (ret < 0)
                return ret;
-- 
end-of-patch for rtc: da9052: Corrections to access, validation and capability

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to