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authorGuenter Roeck <linux@roeck-us.net>2012-02-22 08:56:45 -0800
committerGuenter Roeck <guenter.roeck@ericsson.com>2012-03-18 18:27:44 -0700
commit07404aab52f5106ec436692474cf8f40978f5dac (patch)
treeaa0bdba57bd71b2d3af25a0fb30f612de2c0e577 /drivers/hwmon
parentf352df652ff37c434ed32bc5b7eb7ce430b73abc (diff)
hwmon: (lineage-pem) Convert to use devm_kzalloc
Marginally less code and eliminate the possibility of memory leaks. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/lineage-pem.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/hwmon/lineage-pem.c b/drivers/hwmon/lineage-pem.c
index 5b8c9aeed3d6..d264937c7f5e 100644
--- a/drivers/hwmon/lineage-pem.c
+++ b/drivers/hwmon/lineage-pem.c
@@ -448,7 +448,7 @@ static int pem_probe(struct i2c_client *client,
| I2C_FUNC_SMBUS_WRITE_BYTE))
return -ENODEV;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -462,11 +462,11 @@ static int pem_probe(struct i2c_client *client,
ret = pem_read_block(client, PEM_READ_FIRMWARE_REV,
data->firmware_rev, sizeof(data->firmware_rev));
if (ret < 0)
- goto out_kfree;
+ return ret;
ret = i2c_smbus_write_byte(client, PEM_CLEAR_INFO_FLAGS);
if (ret < 0)
- goto out_kfree;
+ return ret;
dev_info(&client->dev, "Firmware revision %d.%d.%d\n",
data->firmware_rev[0], data->firmware_rev[1],
@@ -475,7 +475,7 @@ static int pem_probe(struct i2c_client *client,
/* Register sysfs hooks */
ret = sysfs_create_group(&client->dev.kobj, &pem_group);
if (ret)
- goto out_kfree;
+ return ret;
/*
* Check if input readings are supported.
@@ -534,8 +534,6 @@ out_remove_groups:
sysfs_remove_group(&client->dev.kobj, &pem_input_group);
sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
sysfs_remove_group(&client->dev.kobj, &pem_group);
-out_kfree:
- kfree(data);
return ret;
}
@@ -549,7 +547,6 @@ static int pem_remove(struct i2c_client *client)
sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
sysfs_remove_group(&client->dev.kobj, &pem_group);
- kfree(data);
return 0;
}