On 02/21/2015 07:39 PM, Lad Prabhakar wrote:
> From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx>
>
> this patch improves the buf_prepare() callback.
>
> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
> ---
> drivers/media/platform/blackfin/bfin_capture.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
> index 332f8c9..8f62a84 100644
> --- a/drivers/media/platform/blackfin/bfin_capture.c
> +++ b/drivers/media/platform/blackfin/bfin_capture.c
> @@ -305,16 +305,12 @@ static int bcap_queue_setup(struct vb2_queue *vq,
> static int bcap_buffer_prepare(struct vb2_buffer *vb)
> {
> struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue);
> - struct bcap_buffer *buf = to_bcap_vb(vb);
> - unsigned long size;
>
> - size = bcap_dev->fmt.sizeimage;
> - if (vb2_plane_size(vb, 0) < size) {
> - v4l2_err(&bcap_dev->v4l2_dev, "buffer too small (%lu < %lu)\n",
> - vb2_plane_size(vb, 0), size);
I would keep this error. Since you need to update patches 4 & 5 anyway to
improve the commit message, it's probably good to reinstate this.
Regards,
Hans
> + vb2_set_plane_payload(vb, 0, bcap_dev->fmt.sizeimage);
> + if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0))
> return -EINVAL;
> - }
> - vb2_set_plane_payload(&buf->vb, 0, size);
> +
> + vb->v4l2_buf.field = bcap_dev->fmt.field;
>
> return 0;
> }
>
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