Fix unchecked return status, batch 5

hwmon: Fix unchecked return status, batch 5

Fix up some 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, 47 insertions, 59 deletions

diff --git a/drivers/hwmon/fscher.c b/drivers/hwmon/fscher.c
index 6bc76b407636..19717752cfca 100644
--- a/drivers/hwmon/fscher.c
+++ b/drivers/hwmon/fscher.c
@@ -34,6 +34,7 @@
 #include <linux/hwmon.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/sysfs.h>
 
 /*
  * Addresses to scan
@@ -240,47 +241,45 @@ sysfs_alarms(FSCHER_REG_EVENTS)
 sysfs_control(FSCHER_REG_CONTROL)
 sysfs_watchdog(FSCHER_REG_WDOG_CONTROL, FSCHER_REG_WDOG_STATE, FSCHER_REG_WDOG_PRESET)
   
-#define device_create_file_fan(client, offset) \
-do { \
-        device_create_file(&client->dev, &dev_attr_fan##offset##_status); \
-        device_create_file(&client->dev, &dev_attr_pwm##offset); \
-        device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
-        device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
-} while (0)
-
-#define device_create_file_temp(client, offset) \
-do { \
-        device_create_file(&client->dev, &dev_attr_temp##offset##_status); \
-        device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
-} while (0)
-
-#define device_create_file_in(client, offset) \
-do { \
-        device_create_file(&client->dev, &dev_attr_in##offset##_input); \
-} while (0)
-
-#define device_create_file_revision(client) \
-do { \
-        device_create_file(&client->dev, &dev_attr_revision); \
-} while (0)
-
-#define device_create_file_alarms(client) \
-do { \
-        device_create_file(&client->dev, &dev_attr_alarms); \
-} while (0)
-
-#define device_create_file_control(client) \
-do { \
-        device_create_file(&client->dev, &dev_attr_control); \
-} while (0)
-
-#define device_create_file_watchdog(client) \
-do { \
-        device_create_file(&client->dev, &dev_attr_watchdog_status); \
-        device_create_file(&client->dev, &dev_attr_watchdog_control); \
-        device_create_file(&client->dev, &dev_attr_watchdog_preset); \
-} while (0)
-  
+static struct attribute *fscher_attributes[] = {
+        &dev_attr_revision.attr,
+        &dev_attr_alarms.attr,
+        &dev_attr_control.attr,
+
+        &dev_attr_watchdog_status.attr,
+        &dev_attr_watchdog_control.attr,
+        &dev_attr_watchdog_preset.attr,
+
+        &dev_attr_in0_input.attr,
+        &dev_attr_in1_input.attr,
+        &dev_attr_in2_input.attr,
+
+        &dev_attr_fan1_status.attr,
+        &dev_attr_fan1_div.attr,
+        &dev_attr_fan1_input.attr,
+        &dev_attr_pwm1.attr,
+        &dev_attr_fan2_status.attr,
+        &dev_attr_fan2_div.attr,
+        &dev_attr_fan2_input.attr,
+        &dev_attr_pwm2.attr,
+        &dev_attr_fan3_status.attr,
+        &dev_attr_fan3_div.attr,
+        &dev_attr_fan3_input.attr,
+        &dev_attr_pwm3.attr,
+
+        &dev_attr_temp1_status.attr,
+        &dev_attr_temp1_input.attr,
+        &dev_attr_temp2_status.attr,
+        &dev_attr_temp2_input.attr,
+        &dev_attr_temp3_status.attr,
+        &dev_attr_temp3_input.attr,
+        NULL
+};
+
+static const struct attribute_group fscher_group = {
+        .attrs = fscher_attributes,
+};
+
 /*
  * Real code
  */
@@ -342,31 +341,19 @@ static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
         fscher_init_client(new_client);
 
         /* Register sysfs hooks */
+        if ((err = sysfs_create_group(&new_client->dev.kobj, &fscher_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_revision(new_client);
-        device_create_file_alarms(new_client);
-        device_create_file_control(new_client);
-        device_create_file_watchdog(new_client);
-
-        device_create_file_in(new_client, 0);
-        device_create_file_in(new_client, 1);
-        device_create_file_in(new_client, 2);
-
-        device_create_file_fan(new_client, 1);
-        device_create_file_fan(new_client, 2);
-        device_create_file_fan(new_client, 3);
-
-        device_create_file_temp(new_client, 1);
-        device_create_file_temp(new_client, 2);
-        device_create_file_temp(new_client, 3);
-
         return 0;
 
+exit_remove_files:
+        sysfs_remove_group(&new_client->dev.kobj, &fscher_group);
 exit_detach:
         i2c_detach_client(new_client);
 exit_free:
@@ -381,6 +368,7 @@ static int fscher_detach_client(struct i2c_client *client)
         int err;
 
         hwmon_device_unregister(data->class_dev);
+        sysfs_remove_group(&client->dev.kobj, &fscher_group);
 
         if ((err = i2c_detach_client(client)))
                 return err;