diff options
| author | Fabio Estevam <fabio.estevam@freescale.com> | 2015-05-13 21:06:11 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-05-17 11:10:05 +0300 |
| commit | 9ecdbed7903921f29adae63a3155814b453e7186 (patch) | |
| tree | 15df9a0a39652d7fd089c5789be00c436cb70606 /drivers/iio | |
| parent | d8c9d23e29e3d758ea477adaa95e28cbf3556518 (diff) | |
| download | linux-9ecdbed7903921f29adae63a3155814b453e7186.tar.xz | |
iio: light: hid-sensor-als.c: Fix memory leak in probe()
'channels' is allocated via kmemdup and it is never freed in the
subsequent error paths.
Use 'indio_dev->channels' directly instead, so that we avoid such
memory leak problem.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/light/hid-sensor-als.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index cf13a18bafd0..8bb1f90ecd51 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -263,7 +263,6 @@ static int hid_als_probe(struct platform_device *pdev) struct iio_dev *indio_dev; struct als_state *als_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 als_state)); if (!indio_dev) @@ -281,20 +280,21 @@ static int hid_als_probe(struct platform_device *pdev) return ret; } - channels = kmemdup(als_channels, sizeof(als_channels), GFP_KERNEL); - if (!channels) { + indio_dev->channels = kmemdup(als_channels, + sizeof(als_channels), GFP_KERNEL); + if (!indio_dev->channels) { dev_err(&pdev->dev, "failed to duplicate channels\n"); return -ENOMEM; } - ret = als_parse_report(pdev, hsdev, channels, - HID_USAGE_SENSOR_ALS, als_state); + ret = als_parse_report(pdev, hsdev, + (struct iio_chan_spec *)indio_dev->channels, + HID_USAGE_SENSOR_ALS, als_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(als_channels); indio_dev->dev.parent = &pdev->dev; |