Commit 7671c44e authored Mar 13, 2021 by Navid Emamdoost Committed by Greg Kroah-Hartman Mar 17, 2021

iio: imu: adis16400: fix memory leak



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>

parent 00552ca5

drivers/iio/imu/adis16400_buffer.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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);