1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/misc/ds1682.c b/drivers/misc/ds1682.c
index 6a672f9ef522..b909fb30232a 100644
--- a/drivers/misc/ds1682.c
+++ b/drivers/misc/ds1682.c
@@ -85,7 +85,6 @@ static ssize_t ds1682_store(struct device *dev, struct device_attribute *attr,
 {
         struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
         struct i2c_client *client = to_i2c_client(dev);
-        char *endp;
         u64 val;
         __le32 val_le;
         int rc;
@@ -93,8 +92,8 @@ static ssize_t ds1682_store(struct device *dev, struct device_attribute *attr,
         dev_dbg(dev, "ds1682_store() called on %s\n", attr->attr.name);
 
         /* Decode input */
-        val = simple_strtoull(buf, &endp, 0);
-        if (buf == endp) {
+        rc = kstrtoull(buf, 0, &val);
+        if (rc < 0) {
                 dev_dbg(dev, "input string not a number\n");
                 return -EINVAL;
         }