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iio: imu: adis16400: release allocated memory on failure

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From: Navid Emamdoost <navid.emamdoost@gmail.com>

commit ab612b1daf upstream.

In adis_update_scan_mode, if allocation for adis->buffer fails,
previously allocated adis->xfer needs to be released.

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>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Krzysztof Kozlowski
2021-03-13 18:29:49 +01:00
committed by Greg Kroah-Hartman
parent 2a667b9a2e
commit 9c8c498ae2
1 changed files with 4 additions and 1 deletions
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5
drivers/iio/imu/adis_buffer.c
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@@ -39,8 +39,11 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
adis->buffer = kzalloc(indio_dev->scan_bytes * 2, GFP_KERNEL);
if (!adis->buffer)
if (!adis->buffer) {
kfree(adis->xfer);
adis->xfer = NULL;
return -ENOMEM;
}
rx = adis->buffer;
tx = rx + scan_count;