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>
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index a858693..72b0e2d8 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -176,9 +176,6 @@
sysfs_temp(3);
sysfs_temp(4);
-#define device_create_file_temp(client, num) \
- device_create_file(&client->dev, &dev_attr_temp##num##_input)
-
/* FAN: 1 RPM/bit
REG: count of 90kHz pulses / revolution */
static int fan_from_reg(u16 reg)
@@ -205,8 +202,22 @@
sysfs_fan(3);
sysfs_fan(4);
-#define device_create_file_fan(client, num) \
- device_create_file(&client->dev, &dev_attr_fan##num##_input)
+static struct attribute *smsc47b397_attributes[] = {
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp2_input.attr,
+ &dev_attr_temp3_input.attr,
+ &dev_attr_temp4_input.attr,
+ &dev_attr_fan1_input.attr,
+ &dev_attr_fan2_input.attr,
+ &dev_attr_fan3_input.attr,
+ &dev_attr_fan4_input.attr,
+
+ NULL
+};
+
+static const struct attribute_group smsc47b397_group = {
+ .attrs = smsc47b397_attributes,
+};
static int smsc47b397_detach_client(struct i2c_client *client)
{
@@ -214,6 +225,7 @@
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &smsc47b397_group);
if ((err = i2c_detach_client(client)))
return err;
@@ -268,24 +280,19 @@
if ((err = i2c_attach_client(new_client)))
goto error_free;
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &smsc47b397_group)))
+ goto error_detach;
+
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
- goto error_detach;
+ goto error_remove;
}
- device_create_file_temp(new_client, 1);
- device_create_file_temp(new_client, 2);
- device_create_file_temp(new_client, 3);
- device_create_file_temp(new_client, 4);
-
- device_create_file_fan(new_client, 1);
- device_create_file_fan(new_client, 2);
- device_create_file_fan(new_client, 3);
- device_create_file_fan(new_client, 4);
-
return 0;
+error_remove:
+ sysfs_remove_group(&new_client->dev.kobj, &smsc47b397_group);
error_detach:
i2c_detach_client(new_client);
error_free:
