On 08/02/2013 03:08 AM, Sachin Kamat wrote:
Using devm_iio_device_alloc makes code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
Cc: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxx>
---
This series compile tested on togreg branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
---
drivers/iio/magnetometer/hid-sensor-magn-3d.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index e71127a..5a6162d 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -283,11 +283,11 @@ static int hid_magn_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 magn_3d_state));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&pdev->dev,
+ sizeof(struct magn_3d_state));
+ if (indio_dev == NULL)
+ return -ENOMEM;
+
platform_set_drvdata(pdev, indio_dev);
magn_state = iio_priv(indio_dev);
@@ -299,15 +299,14 @@ static int hid_magn_3d_probe(struct platform_device *pdev)
&magn_state->common_attributes);
if (ret) {
?free indio_dev
dev_err(&pdev->dev, "failed to setup common attributes\n");
- goto error_free_dev;
+ return ret;
}
channels = kmemdup(magn_3d_channels, sizeof(magn_3d_channels),
GFP_KERNEL);
if (!channels) {
- ret = -ENOMEM;
dev_err(&pdev->dev, "failed to duplicate channels\n");
- goto error_free_dev;
+ return -ENOMEM;
}
ret = magn_3d_parse_report(pdev, hsdev, channels,
Any calls fail after this need to free indio_dev?
@@ -364,9 +363,6 @@ 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;
}
@@ -381,7 +377,6 @@ static int hid_magn_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;
}
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