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, 5 deletions

diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
index ba843f8c4cef..0ccdd0750c44 100644
--- a/drivers/hwmon/atxp1.c
+++ b/drivers/hwmon/atxp1.c
@@ -27,6 +27,7 @@
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/sysfs.h>
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("System voltages control via Attansic ATXP1");
@@ -250,6 +251,17 @@ static ssize_t atxp1_storegpio2(struct device *dev, struct device_attribute *att
 */
 static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2);
 
+static struct attribute *atxp1_attributes[] = {
+        &dev_attr_gpio1.attr,
+        &dev_attr_gpio2.attr,
+        &dev_attr_cpu0_vid.attr,
+        NULL
+};
+
+static const struct attribute_group atxp1_group = {
+        .attrs = atxp1_attributes,
+};
+
 
 static int atxp1_attach_adapter(struct i2c_adapter *adapter)
 {
@@ -319,21 +331,23 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind)
                 goto exit_free;
         }
 
+        /* Register sysfs hooks */
+        if ((err = sysfs_create_group(&new_client->dev.kobj, &atxp1_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_gpio1);
-        device_create_file(&new_client->dev, &dev_attr_gpio2);
-        device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
-
         dev_info(&new_client->dev, "Using VRM: %d.%d\n",
                          data->vrm / 10, data->vrm % 10);
 
         return 0;
 
+exit_remove_files:
+        sysfs_remove_group(&new_client->dev.kobj, &atxp1_group);
 exit_detach:
         i2c_detach_client(new_client);
 exit_free:
@@ -348,6 +362,7 @@ static int atxp1_detach_client(struct i2c_client * client)
         int err;
 
         hwmon_device_unregister(data->class_dev);
+        sysfs_remove_group(&client->dev.kobj, &atxp1_group);
 
         err = i2c_detach_client(client);