hwmon: Fix unchecked return status, batch 6

hwmon: Fix unchecked return status, batch 6

Fix up 5 more hwmon drivers so that they no longer ignore return status
from device_create_file().

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 20 insertions, 8 deletions

diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 478eb4bb8570..c849c0c6ee9c 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -29,6 +29,7 @@
 #include <linux/hwmon.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/sysfs.h>
 #include "lm75.h"
 
 /* Addresses to scan */
@@ -178,6 +179,18 @@ static DEVICE_ATTR(temp1_input, S_IRUGO , show_temp, NULL);
 static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO , show_temp_min, set_temp_min);
 static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
 
+static struct attribute *ds1621_attributes[] = {
+        &dev_attr_temp1_input.attr,
+        &dev_attr_temp1_min.attr,
+        &dev_attr_temp1_max.attr,
+        &dev_attr_alarms.attr,
+        NULL
+};
+
+static const struct attribute_group ds1621_group = {
+        .attrs = ds1621_attributes,
+};
+
 
 static int ds1621_attach_adapter(struct i2c_adapter *adapter)
 {
@@ -253,21 +266,19 @@ static int ds1621_detect(struct i2c_adapter *adapter, int address,
         ds1621_init_client(new_client);
 
         /* Register sysfs hooks */
+        if ((err = sysfs_create_group(&new_client->dev.kobj, &ds1621_group)))
+                goto exit_detach;
+
         data->class_dev = hwmon_device_register(&new_client->dev);
         if (IS_ERR(data->class_dev)) {
                 err = PTR_ERR(data->class_dev);
-                goto exit_detach;
+                goto exit_remove_files;
         }
 
-        device_create_file(&new_client->dev, &dev_attr_alarms);
-        device_create_file(&new_client->dev, &dev_attr_temp1_input);
-        device_create_file(&new_client->dev, &dev_attr_temp1_min);
-        device_create_file(&new_client->dev, &dev_attr_temp1_max);
-        
         return 0;
 
-/* OK, this is not exactly good programming practice, usually. But it is
-   very code-efficient in this case. */
+      exit_remove_files:
+        sysfs_remove_group(&new_client->dev.kobj, &ds1621_group);
       exit_detach:
         i2c_detach_client(new_client);
       exit_free:
@@ -282,6 +293,7 @@ static int ds1621_detach_client(struct i2c_client *client)
         int err;
 
         hwmon_device_unregister(data->class_dev);
+        sysfs_remove_group(&client->dev.kobj, &ds1621_group);
 
         if ((err = i2c_detach_client(client)))
                 return err;