[PATCH 6/6] iio: pressure: hid-sensor-press: Fix memory leak in probe()

Fabio Estevam
2015-05-08T20:00:03Z

drivers/iio/pressure/hid-sensor-press.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c
index 7bb8d4c..f1bcb89 100644
--- a/drivers/iio/pressure/hid-sensor-press.c
+++ b/drivers/iio/pressure/hid-sensor-press.c
@@ -262,7 +262,6 @@ static int hid_press_probe(struct platform_device *pdev)
struct iio_dev *indio_dev;
struct press_state *press_state;
struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
- struct iio_chan_spec *channels;

indio_dev = devm_iio_device_alloc(&pdev->dev,
sizeof(struct press_state));
@@ -282,20 +281,21 @@ static int hid_press_probe(struct platform_device *pdev)
return ret;
}

- channels = kmemdup(press_channels, sizeof(press_channels), GFP_KERNEL);
- if (!channels) {
+ indio_dev->channels = kmemdup(press_channels, sizeof(press_channels),
+ GFP_KERNEL);
+ if (!indio_dev->channels) {
dev_err(&pdev->dev, "failed to duplicate channels\n");
return -ENOMEM;
}

- ret = press_parse_report(pdev, hsdev, channels,
+ ret = press_parse_report(pdev, hsdev,
+ (struct iio_chan_spec *)indio_dev->channels,
HID_USAGE_SENSOR_PRESSURE, press_state);
if (ret) {
dev_err(&pdev->dev, "failed to setup attributes\n");
goto error_free_dev_mem;
}

- indio_dev->channels = channels;
indio_dev->num_channels =
ARRAY_SIZE(press_channels);