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    Subject[PATCH v11 40/56] sample: v4l: Stop direct calls to queue num_buffers field
    Date
    Use vb2_get_num_buffers() to avoid using queue num_buffers field directly.

    Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
    ---
    samples/v4l/v4l2-pci-skeleton.c | 5 +++--
    1 file changed, 3 insertions(+), 2 deletions(-)

    diff --git a/samples/v4l/v4l2-pci-skeleton.c b/samples/v4l/v4l2-pci-skeleton.c
    index a61f94db18d9..a65aa9d1e9da 100644
    --- a/samples/v4l/v4l2-pci-skeleton.c
    +++ b/samples/v4l/v4l2-pci-skeleton.c
    @@ -155,6 +155,7 @@ static int queue_setup(struct vb2_queue *vq,
    unsigned int sizes[], struct device *alloc_devs[])
    {
    struct skeleton *skel = vb2_get_drv_priv(vq);
    + unsigned int q_num_bufs = vb2_get_num_buffers(vq);

    skel->field = skel->format.field;
    if (skel->field == V4L2_FIELD_ALTERNATE) {
    @@ -167,8 +168,8 @@ static int queue_setup(struct vb2_queue *vq,
    skel->field = V4L2_FIELD_TOP;
    }

    - if (vq->num_buffers + *nbuffers < 3)
    - *nbuffers = 3 - vq->num_buffers;
    + if (q_num_bufs + *nbuffers < 3)
    + *nbuffers = 3 - q_num_bufs;

    if (*nplanes)
    return sizes[0] < skel->format.sizeimage ? -EINVAL : 0;
    --
    2.39.2
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