[media] smiapp: Clean up media entity after unregistering subdev

media_entity_cleanup() frees the links array which will be accessed by
media_entity_remove_links() called by v4l2_device_unregister_subdev().

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index c385454..7ac7580 100644 (file)
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2848,8 +2848,8 @@ static int smiapp_remove(struct i2c_client *client)
                device_remove_file(&client->dev, &dev_attr_nvm);
 
        for (i = 0; i < sensor->ssds_used; i++) {
-               media_entity_cleanup(&sensor->ssds[i].sd.entity);
                v4l2_device_unregister_subdev(&sensor->ssds[i].sd);
+               media_entity_cleanup(&sensor->ssds[i].sd.entity);
        }
        smiapp_free_controls(sensor);