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authorGuenter Roeck <linux@roeck-us.net>2012-06-02 09:58:04 -0700
committerGuenter Roeck <linux@roeck-us.net>2012-09-23 21:08:31 -0700
commit7b52eefe1637cffd449abdb5ce67e7dfbda8b2c1 (patch)
tree49fe81609572d4f6ee7295903b583bddcbd8324f /drivers/hwmon/emc1403.c
parent3aa9d1df7e7abc91fb11bff41f389f3fc7b39eee (diff)
downloadop-kernel-dev-7b52eefe1637cffd449abdb5ce67e7dfbda8b2c1.zip
op-kernel-dev-7b52eefe1637cffd449abdb5ce67e7dfbda8b2c1.tar.gz
hwmon: (emc1403) 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>
Diffstat (limited to 'drivers/hwmon/emc1403.c')
-rw-r--r--drivers/hwmon/emc1403.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 149dcb0..68ab94b 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -306,11 +306,10 @@ static int emc1403_probe(struct i2c_client *client,
int res;
struct thermal_data *data;
- data = kzalloc(sizeof(struct thermal_data), GFP_KERNEL);
- if (data == NULL) {
- dev_warn(&client->dev, "out of memory");
+ data = devm_kzalloc(&client->dev, sizeof(struct thermal_data),
+ GFP_KERNEL);
+ if (data == NULL)
return -ENOMEM;
- }
i2c_set_clientdata(client, data);
mutex_init(&data->mutex);
@@ -319,21 +318,19 @@ static int emc1403_probe(struct i2c_client *client,
res = sysfs_create_group(&client->dev.kobj, &m_thermal_gr);
if (res) {
dev_warn(&client->dev, "create group failed\n");
- goto thermal_error1;
+ return res;
}
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
res = PTR_ERR(data->hwmon_dev);
dev_warn(&client->dev, "register hwmon dev failed\n");
- goto thermal_error2;
+ goto thermal_error;
}
dev_info(&client->dev, "EMC1403 Thermal chip found\n");
- return res;
+ return 0;
-thermal_error2:
+thermal_error:
sysfs_remove_group(&client->dev.kobj, &m_thermal_gr);
-thermal_error1:
- kfree(data);
return res;
}
@@ -343,7 +340,6 @@ static int emc1403_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &m_thermal_gr);
- kfree(data);
return 0;
}
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