hwmon: (lm83) fix checkpatch issues

resolved:
ERROR: trailing whitespace
WARNING: please, no spaces at the start of a line
WARNING: simple_strtol is obsolete, use kstrtol instead
ERROR: do not use assignment in if condition

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

1 files changed, 12 insertions, 5 deletions

diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index 8290476aee4a..1fed26579fdb 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -124,7 +124,7 @@ static struct lm83_data *lm83_update_device(struct device *dev);
 /*
  * Driver data (common to all clients)
  */
- 
+
 static const struct i2c_device_id lm83_id[] = {
         { "lm83", lm83 },
         { "lm82", lm82 },
@@ -179,8 +179,13 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
         struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
         struct i2c_client *client = to_i2c_client(dev);
         struct lm83_data *data = i2c_get_clientdata(client);
-        long val = simple_strtol(buf, NULL, 10);
+        long val;
         int nr = attr->index;
+        int err;
+
+        err = kstrtol(buf, 10, &val);
+        if (err < 0)
+                return err;
 
         mutex_lock(&data->update_lock);
         data->temp[nr] = TEMP_TO_REG(val);
@@ -355,12 +360,14 @@ static int lm83_probe(struct i2c_client *new_client,
          * declare 1 and 3 common, and then 2 and 4 only for the LM83.
          */
 
-        if ((err = sysfs_create_group(&new_client->dev.kobj, &lm83_group)))
+        err = sysfs_create_group(&new_client->dev.kobj, &lm83_group);
+        if (err)
                 goto exit_free;
 
         if (id->driver_data == lm83) {
-                if ((err = sysfs_create_group(&new_client->dev.kobj,
-                                              &lm83_group_opt)))
+                err = sysfs_create_group(&new_client->dev.kobj,
+                                         &lm83_group_opt);
+                if (err)
                         goto exit_remove_files;
         }