hwmon: Fix unchecked return status, batch 1

hwmon: Fix unchecked return status, batch 1

Fix up some hwmon drivers so that they no longer ignore return status
from device_create_file().

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 51 insertions, 37 deletions

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index fa1715b9a996..ac1b746df6d0 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -482,6 +482,50 @@ static int lm78_isa_attach_adapter(struct i2c_adapter *adapter)
         return lm78_detect(adapter, isa_address, -1);
 }
 
+static struct attribute *lm78_attributes[] = {
+        &dev_attr_in0_input.attr,
+        &dev_attr_in0_min.attr,
+        &dev_attr_in0_max.attr,
+        &dev_attr_in1_input.attr,
+        &dev_attr_in1_min.attr,
+        &dev_attr_in1_max.attr,
+        &dev_attr_in2_input.attr,
+        &dev_attr_in2_min.attr,
+        &dev_attr_in2_max.attr,
+        &dev_attr_in3_input.attr,
+        &dev_attr_in3_min.attr,
+        &dev_attr_in3_max.attr,
+        &dev_attr_in4_input.attr,
+        &dev_attr_in4_min.attr,
+        &dev_attr_in4_max.attr,
+        &dev_attr_in5_input.attr,
+        &dev_attr_in5_min.attr,
+        &dev_attr_in5_max.attr,
+        &dev_attr_in6_input.attr,
+        &dev_attr_in6_min.attr,
+        &dev_attr_in6_max.attr,
+        &dev_attr_temp1_input.attr,
+        &dev_attr_temp1_max.attr,
+        &dev_attr_temp1_max_hyst.attr,
+        &dev_attr_fan1_input.attr,
+        &dev_attr_fan1_min.attr,
+        &dev_attr_fan1_div.attr,
+        &dev_attr_fan2_input.attr,
+        &dev_attr_fan2_min.attr,
+        &dev_attr_fan2_div.attr,
+        &dev_attr_fan3_input.attr,
+        &dev_attr_fan3_min.attr,
+        &dev_attr_fan3_div.attr,
+        &dev_attr_alarms.attr,
+        &dev_attr_cpu0_vid.attr,
+
+        NULL
+};
+
+static const struct attribute_group lm78_group = {
+        .attrs = lm78_attributes,
+};
+
 /* This function is called by i2c_probe */
 static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 {
@@ -616,50 +660,19 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
         }
 
         /* Register sysfs hooks */
+        if ((err = sysfs_create_group(&new_client->dev.kobj, &lm78_group)))
+                goto ERROR3;
+
         data->class_dev = hwmon_device_register(&new_client->dev);
         if (IS_ERR(data->class_dev)) {
                 err = PTR_ERR(data->class_dev);
-                goto ERROR3;
+                goto ERROR4;
         }
 
-        device_create_file(&new_client->dev, &dev_attr_in0_input);
-        device_create_file(&new_client->dev, &dev_attr_in0_min);
-        device_create_file(&new_client->dev, &dev_attr_in0_max);
-        device_create_file(&new_client->dev, &dev_attr_in1_input);
-        device_create_file(&new_client->dev, &dev_attr_in1_min);
-        device_create_file(&new_client->dev, &dev_attr_in1_max);
-        device_create_file(&new_client->dev, &dev_attr_in2_input);
-        device_create_file(&new_client->dev, &dev_attr_in2_min);
-        device_create_file(&new_client->dev, &dev_attr_in2_max);
-        device_create_file(&new_client->dev, &dev_attr_in3_input);
-        device_create_file(&new_client->dev, &dev_attr_in3_min);
-        device_create_file(&new_client->dev, &dev_attr_in3_max);
-        device_create_file(&new_client->dev, &dev_attr_in4_input);
-        device_create_file(&new_client->dev, &dev_attr_in4_min);
-        device_create_file(&new_client->dev, &dev_attr_in4_max);
-        device_create_file(&new_client->dev, &dev_attr_in5_input);
-        device_create_file(&new_client->dev, &dev_attr_in5_min);
-        device_create_file(&new_client->dev, &dev_attr_in5_max);
-        device_create_file(&new_client->dev, &dev_attr_in6_input);
-        device_create_file(&new_client->dev, &dev_attr_in6_min);
-        device_create_file(&new_client->dev, &dev_attr_in6_max);
-        device_create_file(&new_client->dev, &dev_attr_temp1_input);
-        device_create_file(&new_client->dev, &dev_attr_temp1_max);
-        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
-        device_create_file(&new_client->dev, &dev_attr_fan1_input);
-        device_create_file(&new_client->dev, &dev_attr_fan1_min);
-        device_create_file(&new_client->dev, &dev_attr_fan1_div);
-        device_create_file(&new_client->dev, &dev_attr_fan2_input);
-        device_create_file(&new_client->dev, &dev_attr_fan2_min);
-        device_create_file(&new_client->dev, &dev_attr_fan2_div);
-        device_create_file(&new_client->dev, &dev_attr_fan3_input);
-        device_create_file(&new_client->dev, &dev_attr_fan3_min);
-        device_create_file(&new_client->dev, &dev_attr_fan3_div);
-        device_create_file(&new_client->dev, &dev_attr_alarms);
-        device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
-
         return 0;
 
+ERROR4:
+        sysfs_remove_group(&new_client->dev.kobj, &lm78_group);
 ERROR3:
         i2c_detach_client(new_client);
 ERROR2:
@@ -677,6 +690,7 @@ static int lm78_detach_client(struct i2c_client *client)
         int err;
 
         hwmon_device_unregister(data->class_dev);
+        sysfs_remove_group(&client->dev.kobj, &lm78_group);
 
         if ((err = i2c_detach_client(client)))
                 return err;