sun4i-csi: call _vb2_fop_release instead of v4l2_fh_release

This driver didn't call _vb2_fop_release in the sun4i_csi_release
function. Without that call the vb2 queue is not properly canceled and
buffers may not be freed.

Signed-off-by: Hans Verkuil <[e-mail]>
Acked-by: Maxime Ripard <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c

···
 
 	mutex_lock(&csi->lock);
 
-	v4l2_fh_release(file);
+	_vb2_fop_release(file, NULL);
+
 	v4l2_pipeline_pm_put(&csi->vdev.entity);
 	pm_runtime_put(csi->dev);