diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2012-06-02 20:20:20 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2012-07-22 06:48:41 +0200 |
| commit | 60c2b5697560b0216ddbebaabebd1aac7abe3012 (patch) | |
| tree | 49cb840c9b66e6a55a14667052d4c928ba287b71 /drivers/hwmon/pcf8591.c | |
| parent | hwmon: (max6642) Convert to use devm_ functions (diff) | |
| download | linux-60c2b5697560b0216ddbebaabebd1aac7abe3012.tar.xz linux-60c2b5697560b0216ddbebaabebd1aac7abe3012.zip | |
hwmon: (pcf8591) Convert to use devm_ functions
Convert to use devm_ functions to reduce code size and simplify the code.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon/pcf8591.c')
| -rw-r--r-- | drivers/hwmon/pcf8591.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c index 4174c7463d70..825883d29002 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; } |