1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c
index f4f9b219bf16..11955467fc0f 100644
--- a/drivers/hwmon/ad7314.c
+++ b/drivers/hwmon/ad7314.c
@@ -16,6 +16,7 @@
 #include <linux/err.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/bitops.h>
 
 /*
  * AD7314 temperature masks
@@ -67,7 +68,7 @@ static ssize_t ad7314_show_temperature(struct device *dev,
         switch (spi_get_device_id(chip->spi_dev)->driver_data) {
         case ad7314:
                 data = (ret & AD7314_TEMP_MASK) >> AD7314_TEMP_SHIFT;
-                data = (data << 6) >> 6;
+                data = sign_extend32(data, 9);
 
                 return sprintf(buf, "%d\n", 250 * data);
         case adt7301:
@@ -78,7 +79,7 @@ static ssize_t ad7314_show_temperature(struct device *dev,
                  * register.  1lsb - 31.25 milli degrees centigrade
                  */
                 data = ret & ADT7301_TEMP_MASK;
-                data = (data << 2) >> 2;
+                data = sign_extend32(data, 13);
 
                 return sprintf(buf, "%d\n",
                                DIV_ROUND_CLOSEST(data * 3125, 100));