AcoSail/kernel_optimize_test
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HID: hid-sensor-hub: move to devm_kzalloc

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devm_kzalloc() will manage resources freeing and allows to make error path
smaller and nicer.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Andy Shevchenko 2013-08-14 11:07:10 +03:00 committed by Jiri Kosina
parent 5902fde19a
commit 905cc1991a
1 changed files with 5 additions and 12 deletions
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17
drivers/hid/hid-sensor-hub.c
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@ -477,16 +477,15 @@ static int sensor_hub_probe(struct hid_device *hdev,
struct hid_field *field;
int dev_cnt;
sd = kzalloc(sizeof(struct sensor_hub_data), GFP_KERNEL);
sd = devm_kzalloc(&hdev->dev, sizeof(*sd), GFP_KERNEL);
if (!sd) {
hid_err(hdev, "cannot allocate Sensor data\n");
return -ENOMEM;
}
sd->hsdev = kzalloc(sizeof(struct hid_sensor_hub_device), GFP_KERNEL);
sd->hsdev = devm_kzalloc(&hdev->dev, sizeof(*sd->hsdev), GFP_KERNEL);
if (!sd->hsdev) {
hid_err(hdev, "cannot allocate hid_sensor_hub_device\n");
ret = -ENOMEM;
goto err_free_hub;
return -ENOMEM;
}
hid_set_drvdata(hdev, sd);
sd->hsdev->hdev = hdev;
@ -498,14 +497,14 @@ static int sensor_hub_probe(struct hid_device *hdev,
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err_free;
return ret;
}
INIT_LIST_HEAD(&hdev->inputs);
ret = hid_hw_start(hdev, 0);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err_free;
return ret;
}
ret = hid_hw_open(hdev);
if (ret) {
@ -570,10 +569,6 @@ static int sensor_hub_probe(struct hid_device *hdev,
hid_hw_close(hdev);
err_stop_hw:
hid_hw_stop(hdev);
err_free:
kfree(sd->hsdev);
err_free_hub:
kfree(sd);
return ret;
}
@ -597,8 +592,6 @@ static void sensor_hub_remove(struct hid_device *hdev)
kfree(data->hid_sensor_hub_client_devs);
hid_set_drvdata(hdev, NULL);
mutex_destroy(&data->mutex);
kfree(data->hsdev);
kfree(data);
}
static const struct hid_device_id sensor_hub_devices[] = {