From: Chuhong Yuan hslester96@gmail.com
commit d7369ae1f4d7cffa7574d15e1f787dcca184c49d upstream.
The function iio_device_register() was called in mma8452_probe(). But the function iio_device_unregister() was not called after a call of the function mma8452_set_freefall_mode() failed. Thus add the missed function call for one error case.
Fixes: 1a965d405fc6 ("drivers:iio:accel:mma8452: added cleanup provision in case of failure.") Signed-off-by: Chuhong Yuan hslester96@gmail.com Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/iio/accel/mma8452.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1576,10 +1576,13 @@ static int mma8452_probe(struct i2c_clie
ret = mma8452_set_freefall_mode(data, false); if (ret < 0) - goto buffer_cleanup; + goto unregister_device;
return 0;
+unregister_device: + iio_device_unregister(indio_dev); + buffer_cleanup: iio_triggered_buffer_cleanup(indio_dev);