staging iio: fix potential memory leak in lis3l02dq_ring.c

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 18d108fd967a908817efa70d1056fcba35d00458..f3da59063ed2e5a8c934ed201f1add435810028a 100644 (file)
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -121,8 +121,10 @@ static int lis3l02dq_get_buffer_element(struct iio_dev *indio_dev,
        if (rx_array == NULL)
                return -ENOMEM;
        ret = lis3l02dq_read_all(indio_dev, rx_array);
-       if (ret < 0)
+       if (ret < 0) {
+               kfree(rx_array);
                return ret;
+       }
        for (i = 0; i < scan_count; i++)
                data[i] = combine_8_to_16(rx_array[i*4+1],
                                        rx_array[i*4+3]);