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| author | Guenter Roeck <linux@roeck-us.net> | 2012-06-02 20:20:19 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2012-09-24 06:08:32 +0200 |
| commit | 79831fd4e0820bdc882d08707e4650ed4dfff3b8 (patch) | |
| tree | 4c1ea24c39319e26b0085aad006b991b4fe15e19 /drivers/hwmon/mcp3021.c | |
| parent | hwmon: (ltc4245) Convert to use devm_ functions (diff) | |
| download | linux-79831fd4e0820bdc882d08707e4650ed4dfff3b8.tar.xz linux-79831fd4e0820bdc882d08707e4650ed4dfff3b8.zip | |
hwmon: (mcp3021) Convert to use devm_ functions
Convert to use devm_ functions to reduce code size and simplify the code.
Cc: Mingkai Hu <Mingkai.hu@freescale.com>
Cc: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/mcp3021.c')
| -rw-r--r-- | drivers/hwmon/mcp3021.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/hwmon/mcp3021.c b/drivers/hwmon/mcp3021.c index d0afc0cd3ff4..5162bb95bc61 100644 --- a/drivers/hwmon/mcp3021.c +++ b/drivers/hwmon/mcp3021.c @@ -103,7 +103,8 @@ static int mcp3021_probe(struct i2c_client *client, if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) return -ENODEV; - data = kzalloc(sizeof(struct mcp3021_data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(struct mcp3021_data), + GFP_KERNEL); if (!data) return -ENOMEM; @@ -111,17 +112,14 @@ static int mcp3021_probe(struct i2c_client *client, if (client->dev.platform_data) { data->vdd = *(u32 *)client->dev.platform_data; - if (data->vdd > MCP3021_VDD_MAX || - data->vdd < MCP3021_VDD_MIN) { - err = -EINVAL; - goto exit_free; - } + if (data->vdd > MCP3021_VDD_MAX || data->vdd < MCP3021_VDD_MIN) + return -EINVAL; } else data->vdd = MCP3021_VDD_REF; err = sysfs_create_file(&client->dev.kobj, &dev_attr_in0_input.attr); if (err) - goto exit_free; + return err; data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { @@ -133,8 +131,6 @@ static int mcp3021_probe(struct i2c_client *client, exit_remove: sysfs_remove_file(&client->dev.kobj, &dev_attr_in0_input.attr); -exit_free: - kfree(data); return err; } @@ -144,7 +140,6 @@ static int mcp3021_remove(struct i2c_client *client) hwmon_device_unregister(data->hwmon_dev); sysfs_remove_file(&client->dev.kobj, &dev_attr_in0_input.attr); - kfree(data); return 0; } |