iio: Remove debugfs entries in iio_device_unregister()

Remove the the debugfs entries in iio_device_unregister(). Otherwise the debugfs
entries might still be accessible even though the device used in the debugfs
callback has already been freed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 8e84cd522e4970af8603e10a157657b9ab14102e..f95c6979efd8f58fdf42e2a6d11a645b4191c17d 100644 (file)
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -852,7 +852,6 @@ static void iio_dev_release(struct device *device)
                iio_device_unregister_trigger_consumer(indio_dev);
        iio_device_unregister_eventset(indio_dev);
        iio_device_unregister_sysfs(indio_dev);
-       iio_device_unregister_debugfs(indio_dev);
 
        ida_simple_remove(&iio_ida, indio_dev->id);
        kfree(indio_dev);
@@ -1087,6 +1086,7 @@ void iio_device_unregister(struct iio_dev *indio_dev)
 
        if (indio_dev->chrdev.dev)
                cdev_del(&indio_dev->chrdev);
+       iio_device_unregister_debugfs(indio_dev);
 
        iio_disable_all_buffers(indio_dev);