diff options
| author | Fabio Estevam <fabio.estevam@freescale.com> | 2015-05-13 21:06:10 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-05-17 11:09:49 +0300 |
| commit | d8c9d23e29e3d758ea477adaa95e28cbf3556518 (patch) | |
| tree | aa1b1039cadb4c710d0102b33498814c2065e654 /drivers/iio/gyro/hid-sensor-gyro-3d.c | |
| parent | b136faff9bc2f4adea050ed2119c01199f9a86a5 (diff) | |
| download | linux-d8c9d23e29e3d758ea477adaa95e28cbf3556518.tar.xz | |
iio: gyro: hid-sensor-gyro-3d: 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/gyro/hid-sensor-gyro-3d.c')
| -rw-r--r-- | drivers/iio/gyro/hid-sensor-gyro-3d.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c index 2e10799fe287..c67ce2ac4715 100644 --- a/drivers/iio/gyro/hid-sensor-gyro-3d.c +++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c @@ -298,7 +298,6 @@ static int hid_gyro_3d_probe(struct platform_device *pdev) struct iio_dev *indio_dev; struct gyro_3d_state *gyro_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(*gyro_state)); if (!indio_dev) @@ -317,21 +316,21 @@ static int hid_gyro_3d_probe(struct platform_device *pdev) return ret; } - channels = kmemdup(gyro_3d_channels, sizeof(gyro_3d_channels), - GFP_KERNEL); - if (!channels) { + indio_dev->channels = kmemdup(gyro_3d_channels, + sizeof(gyro_3d_channels), GFP_KERNEL); + if (!indio_dev->channels) { dev_err(&pdev->dev, "failed to duplicate channels\n"); return -ENOMEM; } - ret = gyro_3d_parse_report(pdev, hsdev, channels, - HID_USAGE_SENSOR_GYRO_3D, gyro_state); + ret = gyro_3d_parse_report(pdev, hsdev, + (struct iio_chan_spec *)indio_dev->channels, + HID_USAGE_SENSOR_GYRO_3D, gyro_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(gyro_3d_channels); indio_dev->dev.parent = &pdev->dev; indio_dev->info = &gyro_3d_info; |