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iio: imu: adis16400: fix memory leak

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commit 9c0530e898f384c5d279bfcebd8bb17af1105873 upstream.

In adis_update_scan_mode_burst, if adis->buffer allocation fails release
the adis->xfer.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[krzk: backport applied to adis16400_buffer.c instead of adis_buffer.c]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Navid Emamdoost 2021-03-13 18:29:50 +01:00 committed by Greg Kroah-Hartman
parent 9c8c498ae2
commit 10f675ec4e
1 changed files with 4 additions and 1 deletions
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5
drivers/iio/imu/adis16400_buffer.c
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@ -37,8 +37,11 @@ int adis16400_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
adis->buffer = kzalloc(burst_length + sizeof(u16), GFP_KERNEL);
if (!adis->buffer)
if (!adis->buffer) {
kfree(adis->xfer);
adis->xfer = NULL;
return -ENOMEM;
}
tx = adis->buffer + burst_length;
tx[0] = ADIS_READ_REG(ADIS16400_GLOB_CMD);