Convert to use devm_ functions to reduce code size and simplify the code.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/pcf8591.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c
index 4174c74..825883d 100644
--- a/drivers/hwmon/pcf8591.c
+++ b/drivers/hwmon/pcf8591.c
@@ -200,11 +200,10 @@ static int pcf8591_probe(struct i2c_client *client,
struct pcf8591_data *data;
int err;
- data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL);
- if (!data) {
- err = -ENOMEM;
- goto exit;
- }
+ data = devm_kzalloc(&client->dev, sizeof(struct pcf8591_data),
+ GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@@ -215,7 +214,7 @@ static int pcf8591_probe(struct i2c_client *client,
/* Register sysfs hooks */
err = sysfs_create_group(&client->dev.kobj, &pcf8591_attr_group);
if (err)
- goto exit_kfree;
+ return err;
/* Register input2 if not in "two differential inputs" mode */
if (input_mode != 3) {
@@ -242,9 +241,6 @@ static int pcf8591_probe(struct i2c_client *client,
exit_sysfs_remove:
sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);
sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);
-exit_kfree:
- kfree(data);
-exit:
return err;
}
@@ -255,7 +251,6 @@ static int pcf8591_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);
sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);
- kfree(i2c_get_clientdata(client));
return 0;
}
--
1.7.9.7
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