hwmon: (lm87) Fix: do not use assignment in if condition
authorGuenter Roeck <linux@roeck-us.net>
Mon, 16 Jan 2012 23:11:57 +0000 (15:11 -0800)
committerGuenter Roeck <guenter.roeck@ericsson.com>
Mon, 19 Mar 2012 01:27:05 +0000 (18:27 -0700)
Fix checkpatch issue:
ERROR: do not use assignment in if condition

Replace repeated calls to device_create_file() with calls to sysfs_create_group.

Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
drivers/hwmon/lm87.c

index 0216592..e35f9af 100644 (file)
@@ -700,34 +700,69 @@ static const struct attribute_group lm87_group = {
        .attrs = lm87_attributes,
 };
 
-static struct attribute *lm87_attributes_opt[] = {
+static struct attribute *lm87_attributes_in6[] = {
        &dev_attr_in6_input.attr,
        &dev_attr_in6_min.attr,
        &dev_attr_in6_max.attr,
        &sensor_dev_attr_in6_alarm.dev_attr.attr,
+       NULL
+};
+
+static const struct attribute_group lm87_group_in6 = {
+       .attrs = lm87_attributes_in6,
+};
 
+static struct attribute *lm87_attributes_fan1[] = {
        &dev_attr_fan1_input.attr,
        &dev_attr_fan1_min.attr,
        &dev_attr_fan1_div.attr,
        &sensor_dev_attr_fan1_alarm.dev_attr.attr,
+       NULL
+};
+
+static const struct attribute_group lm87_group_fan1 = {
+       .attrs = lm87_attributes_fan1,
+};
 
+static struct attribute *lm87_attributes_in7[] = {
        &dev_attr_in7_input.attr,
        &dev_attr_in7_min.attr,
        &dev_attr_in7_max.attr,
        &sensor_dev_attr_in7_alarm.dev_attr.attr,
+       NULL
+};
 
+static const struct attribute_group lm87_group_in7 = {
+       .attrs = lm87_attributes_in7,
+};
+
+static struct attribute *lm87_attributes_fan2[] = {
        &dev_attr_fan2_input.attr,
        &dev_attr_fan2_min.attr,
        &dev_attr_fan2_div.attr,
        &sensor_dev_attr_fan2_alarm.dev_attr.attr,
+       NULL
+};
 
+static const struct attribute_group lm87_group_fan2 = {
+       .attrs = lm87_attributes_fan2,
+};
+
+static struct attribute *lm87_attributes_temp3[] = {
        &dev_attr_temp3_input.attr,
        &dev_attr_temp3_max.attr,
        &dev_attr_temp3_min.attr,
        &dev_attr_temp3_crit.attr,
        &sensor_dev_attr_temp3_alarm.dev_attr.attr,
        &sensor_dev_attr_temp3_fault.dev_attr.attr,
+       NULL
+};
 
+static const struct attribute_group lm87_group_temp3 = {
+       .attrs = lm87_attributes_temp3,
+};
+
+static struct attribute *lm87_attributes_in0_5[] = {
        &dev_attr_in0_input.attr,
        &dev_attr_in0_min.attr,
        &dev_attr_in0_max.attr,
@@ -736,15 +771,21 @@ static struct attribute *lm87_attributes_opt[] = {
        &dev_attr_in5_min.attr,
        &dev_attr_in5_max.attr,
        &sensor_dev_attr_in5_alarm.dev_attr.attr,
+       NULL
+};
+
+static const struct attribute_group lm87_group_in0_5 = {
+       .attrs = lm87_attributes_in0_5,
+};
 
+static struct attribute *lm87_attributes_vid[] = {
        &dev_attr_cpu0_vid.attr,
        &dev_attr_vrm.attr,
-
        NULL
 };
 
-static const struct attribute_group lm87_group_opt = {
-       .attrs = lm87_attributes_opt,
+static const struct attribute_group lm87_group_vid = {
+       .attrs = lm87_attributes_vid,
 };
 
 /* Return 0 if detection is successful, -ENODEV otherwise */
@@ -782,6 +823,20 @@ static int lm87_detect(struct i2c_client *new_client,
        return 0;
 }
 
+static void lm87_remove_files(struct i2c_client *client)
+{
+       struct device *dev = &client->dev;
+
+       sysfs_remove_group(&dev->kobj, &lm87_group);
+       sysfs_remove_group(&dev->kobj, &lm87_group_in6);
+       sysfs_remove_group(&dev->kobj, &lm87_group_fan1);
+       sysfs_remove_group(&dev->kobj, &lm87_group_in7);
+       sysfs_remove_group(&dev->kobj, &lm87_group_fan2);
+       sysfs_remove_group(&dev->kobj, &lm87_group_temp3);
+       sysfs_remove_group(&dev->kobj, &lm87_group_in0_5);
+       sysfs_remove_group(&dev->kobj, &lm87_group_vid);
+}
+
 static int lm87_probe(struct i2c_client *new_client,
                      const struct i2c_device_id *id)
 {
@@ -816,89 +871,46 @@ static int lm87_probe(struct i2c_client *new_client,
                goto exit_free;
 
        if (data->channel & CHAN_NO_FAN(0)) {
-               if ((err = device_create_file(&new_client->dev,
-                                       &dev_attr_in6_input))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in6_min))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in6_max))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_in6_alarm.dev_attr)))
+               err = sysfs_create_group(&new_client->dev.kobj,
+                                        &lm87_group_in6);
+               if (err)
                        goto exit_remove;
        } else {
-               if ((err = device_create_file(&new_client->dev,
-                                       &dev_attr_fan1_input))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_fan1_min))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_fan1_div))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_fan1_alarm.dev_attr)))
+               err = sysfs_create_group(&new_client->dev.kobj,
+                                        &lm87_group_fan1);
+               if (err)
                        goto exit_remove;
        }
 
        if (data->channel & CHAN_NO_FAN(1)) {
-               if ((err = device_create_file(&new_client->dev,
-                                       &dev_attr_in7_input))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in7_min))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in7_max))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_in7_alarm.dev_attr)))
+               err = sysfs_create_group(&new_client->dev.kobj,
+                                        &lm87_group_in7);
+               if (err)
                        goto exit_remove;
        } else {
-               if ((err = device_create_file(&new_client->dev,
-                                       &dev_attr_fan2_input))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_fan2_min))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_fan2_div))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_fan2_alarm.dev_attr)))
+               err = sysfs_create_group(&new_client->dev.kobj,
+                                        &lm87_group_fan2);
+               if (err)
                        goto exit_remove;
        }
 
        if (data->channel & CHAN_TEMP3) {
-               if ((err = device_create_file(&new_client->dev,
-                                       &dev_attr_temp3_input))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_temp3_max))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_temp3_min))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_temp3_crit))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_temp3_alarm.dev_attr))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_temp3_fault.dev_attr)))
+               err = sysfs_create_group(&new_client->dev.kobj,
+                                        &lm87_group_temp3);
+               if (err)
                        goto exit_remove;
        } else {
-               if ((err = device_create_file(&new_client->dev,
-                                       &dev_attr_in0_input))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in0_min))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in0_max))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_in0_alarm.dev_attr))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in5_input))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in5_min))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_in5_max))
-                || (err = device_create_file(&new_client->dev,
-                                       &sensor_dev_attr_in5_alarm.dev_attr)))
+               err = sysfs_create_group(&new_client->dev.kobj,
+                                        &lm87_group_in0_5);
+               if (err)
                        goto exit_remove;
        }
 
        if (!(data->channel & CHAN_NO_VID)) {
                data->vrm = vid_which_vrm();
-               if ((err = device_create_file(&new_client->dev,
-                                       &dev_attr_cpu0_vid))
-                || (err = device_create_file(&new_client->dev,
-                                       &dev_attr_vrm)))
+               err = sysfs_create_group(&new_client->dev.kobj,
+                                        &lm87_group_vid);
+               if (err)
                        goto exit_remove;
        }
 
@@ -911,8 +923,7 @@ static int lm87_probe(struct i2c_client *new_client,
        return 0;
 
 exit_remove:
-       sysfs_remove_group(&new_client->dev.kobj, &lm87_group);
-       sysfs_remove_group(&new_client->dev.kobj, &lm87_group_opt);
+       lm87_remove_files(new_client);
 exit_free:
        lm87_write_value(new_client, LM87_REG_CONFIG, data->config);
        kfree(data);
@@ -967,8 +978,7 @@ static int lm87_remove(struct i2c_client *client)
        struct lm87_data *data = i2c_get_clientdata(client);
 
        hwmon_device_unregister(data->hwmon_dev);
-       sysfs_remove_group(&client->dev.kobj, &lm87_group);
-       sysfs_remove_group(&client->dev.kobj, &lm87_group_opt);
+       lm87_remove_files(client);
 
        lm87_write_value(client, LM87_REG_CONFIG, data->config);
        kfree(data);