iio: hid-sensor-gyro-3d: Use devm_iio_device_alloc

Using devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index 9cc8aa1..d9d7bef 100644 (file)
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -282,11 +282,9 @@ static int hid_gyro_3d_probe(struct platform_device *pdev)
        struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
        struct iio_chan_spec *channels;
 
-       indio_dev = iio_device_alloc(sizeof(struct gyro_3d_state));
-       if (indio_dev == NULL) {
-               ret = -ENOMEM;
-               goto error_ret;
-       }
+       indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*gyro_state));
+       if (!indio_dev)
+               return -ENOMEM;
        platform_set_drvdata(pdev, indio_dev);
 
        gyro_state = iio_priv(indio_dev);
@@ -298,15 +296,14 @@ static int hid_gyro_3d_probe(struct platform_device *pdev)
                                                &gyro_state->common_attributes);
        if (ret) {
                dev_err(&pdev->dev, "failed to setup common attributes\n");
-               goto error_free_dev;
+               return ret;
        }
 
        channels = kmemdup(gyro_3d_channels, sizeof(gyro_3d_channels),
                           GFP_KERNEL);
        if (!channels) {
-               ret = -ENOMEM;
                dev_err(&pdev->dev, "failed to duplicate channels\n");
-               goto error_free_dev;
+               return -ENOMEM;
        }
 
        ret = gyro_3d_parse_report(pdev, hsdev, channels,
@@ -363,9 +360,6 @@ error_unreg_buffer_funcs:
        iio_triggered_buffer_cleanup(indio_dev);
 error_free_dev_mem:
        kfree(indio_dev->channels);
-error_free_dev:
-       iio_device_free(indio_dev);
-error_ret:
        return ret;
 }
 
@@ -380,7 +374,6 @@ static int hid_gyro_3d_remove(struct platform_device *pdev)
        hid_sensor_remove_trigger(indio_dev);
        iio_triggered_buffer_cleanup(indio_dev);
        kfree(indio_dev->channels);
-       iio_device_free(indio_dev);
 
        return 0;
 }