1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index 790dfa9d0a2e..a51b2965cd5c 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -270,14 +270,14 @@ static int max17042_get_property(struct power_supply *psy,
                 if (ret < 0)
                         return ret;
                 /* LSB is Alert Minimum. In deci-centigrade */
-                val->intval = (data & 0xff) * 10;
+                val->intval = sign_extend32(data & 0xff, 7) * 10;
                 break;
         case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
                 ret = regmap_read(map, MAX17042_TALRT_Th, &data);
                 if (ret < 0)
                         return ret;
                 /* MSB is Alert Maximum. In deci-centigrade */
-                val->intval = (data >> 8) * 10;
+                val->intval = sign_extend32(data >> 8, 7) * 10;
                 break;
         case POWER_SUPPLY_PROP_TEMP_MIN:
                 val->intval = chip->pdata->temp_min;