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 <hverkuil-cisco@xxxxxxxxx> --- Compile tested only due to lack of a suitable sensor. I believe I do have an ov7670, but it's in the wrong country :-) --- diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c index 1721e5aee9c6..8f4e254b6a41 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c @@ -242,7 +242,8 @@ static int sun4i_csi_release(struct file *file) 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);
