[PATCH] iio: imu: adis16400: release allocated memory on failure

[Navid Emamdoost]

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.emamdo...@gmail.com>
---
 drivers/iio/imu/adis_buffer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 9ac8356d9a95..c5d7e368a636 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -78,8 +78,10 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
                return -ENOMEM;
 
        adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL);
-       if (!adis->buffer)
+       if (!adis->buffer) {
+               kfree(adis->xfer);
                return -ENOMEM;
+       }
 
        rx = adis->buffer;
        tx = rx + scan_count;
-- 
2.17.1