On 07/30/2013 01:44 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>
---
drivers/iio/light/hid-sensor-als.c | 17 +++++------------
1 file changed, 5 insertions(+), 12 deletions(-)
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index 9adfef0..84cf004 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -249,11 +249,9 @@ static int hid_als_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 als_state));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(struct als_state));
+ if (!indio_dev)
+ return -ENOMEM;
platform_set_drvdata(pdev, indio_dev);
als_state = iio_priv(indio_dev);
@@ -264,14 +262,13 @@ static int hid_als_probe(struct platform_device *pdev)
&als_state->common_attributes);
if (ret) {
dev_err(&pdev->dev, "failed to setup common attributes\n");
- goto error_free_dev;
+ return ret;
}
channels = kmemdup(als_channels, sizeof(als_channels), GFP_KERNEL);
if (!channels) {
- ret = -ENOMEM;
Don't we have to free indio_dev?
dev_err(&pdev->dev, "failed to duplicate channels\n");
- goto error_free_dev;
+ return -ENOMEM;
}
ret = als_parse_report(pdev, hsdev, channels,
Same here, What if any of the calls fail after this? free indio_dev?
@@ -329,9 +326,6 @@ 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;
}
@@ -346,7 +340,6 @@ static int hid_als_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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