Since the temperature is supposed to be a signed value in this case, cast
unsigned raw register value to signed before performing the calculations.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: fff7b8ab2255 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Murad Masimov <m.masimov@xxxxxxxxx>
---
drivers/hwmon/tps23861.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/tps23861.c b/drivers/hwmon/tps23861.c
index dfcfb09d9f3c..80fb03f30c30 100644
--- a/drivers/hwmon/tps23861.c
+++ b/drivers/hwmon/tps23861.c
@@ -132,7 +132,7 @@ static int tps23861_read_temp(struct tps23861_data *data, long *val)
if (err < 0)
return err;
- *val = (regval * TEMPERATURE_LSB) - 20000;
+ *val = ((long)regval * TEMPERATURE_LSB) - 20000;
return 0;
}
--
2.39.2
