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Subject: media: imx-jpeg: don't change byteused of queued buffer
Author:  Ming Qian <[email protected]>
Date:    Mon Apr 11 09:19:53 2022 +0100

Don't change the output buffer's bytesused set by user.
Drop allow_zero_bytesused, since it's deprecated.
This should also guarantee it's the application's responsibility
to set bytesused for the output buffer.

Signed-off-by: Ming Qian <[email protected]>
Reviewed-by: Mirela Rabulea <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c | 2 --
 1 file changed, 2 deletions(-)

---

diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c 
b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
index 25b888bcaa67..8b33a3bca867 100644
--- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
@@ -1422,7 +1422,6 @@ static int mxc_jpeg_buf_prepare(struct vb2_buffer *vb)
                                i, vb2_plane_size(vb, i), sizeimage);
                        return -EINVAL;
                }
-               vb2_set_plane_payload(vb, i, sizeimage);
        }
        return 0;
 }
@@ -1470,7 +1469,6 @@ static int mxc_jpeg_queue_init(void *priv, struct 
vb2_queue *src_vq,
        src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
        src_vq->lock = &ctx->mxc_jpeg->lock;
        src_vq->dev = ctx->mxc_jpeg->dev;
-       src_vq->allow_zero_bytesused = 1; /* keep old userspace apps working */
 
        ret = vb2_queue_init(src_vq);
        if (ret)

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