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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2013-08-14 11:07:10 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-09-04 12:19:13 +0200 |
| commit | 905cc1991aa839fc4c9030f505966ab34637379a (patch) | |
| tree | 2e329e7f6c38a9837c4da615271a904f3e61de5b | |
| parent | 5902fde19a3b3e51a0a246e98d337f291bbc07b0 (diff) | |
| download | linux-905cc1991aa839fc4c9030f505966ab34637379a.tar.gz linux-905cc1991aa839fc4c9030f505966ab34637379a.tar.bz2 linux-905cc1991aa839fc4c9030f505966ab34637379a.zip | |
HID: hid-sensor-hub: move to devm_kzalloc
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>
| -rw-r--r-- | drivers/hid/hid-sensor-hub.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 7ebef9c7444a..1877a2552483 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -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 @@ err_close: 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[] = { |