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| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2019-01-16 10:01:14 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-01-31 09:30:15 -0200 |
| commit | ab7afaf33275acc2ccfaab3fe5b46870eaee9d55 (patch) | |
| tree | 355e413f88994f26cc984ac5c52bf22a8cef64e9 /drivers/media/platform/vim2m.c | |
| parent | 28d77c21cbeb2c6039d48ef88401b87a56a7a07f (diff) | |
| download | linux-ab7afaf33275acc2ccfaab3fe5b46870eaee9d55.tar.gz | |
media: vim2m: add buf_out_validate callback
Validate the field for an output buffer. This ensures that the field is validated when the buffer is queued to a request, and not when the request itself is queued, which is too late. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/vim2m.c')
| -rw-r--r-- | drivers/media/platform/vim2m.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index a7a152fb3075..924120d69da2 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -743,25 +743,29 @@ static int vim2m_queue_setup(struct vb2_queue *vq, return 0; } -static int vim2m_buf_prepare(struct vb2_buffer *vb) +static int vim2m_buf_out_validate(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct vim2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + + if (vbuf->field == V4L2_FIELD_ANY) + vbuf->field = V4L2_FIELD_NONE; + if (vbuf->field != V4L2_FIELD_NONE) { + dprintk(ctx->dev, "%s field isn't supported\n", __func__); + return -EINVAL; + } + + return 0; +} + +static int vim2m_buf_prepare(struct vb2_buffer *vb) +{ + struct vim2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct vim2m_q_data *q_data; dprintk(ctx->dev, "type: %d\n", vb->vb2_queue->type); q_data = get_q_data(ctx, vb->vb2_queue->type); - if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) { - if (vbuf->field == V4L2_FIELD_ANY) - vbuf->field = V4L2_FIELD_NONE; - if (vbuf->field != V4L2_FIELD_NONE) { - dprintk(ctx->dev, "%s field isn't supported\n", - __func__); - return -EINVAL; - } - } - if (vb2_plane_size(vb, 0) < q_data->sizeimage) { dprintk(ctx->dev, "%s data will not fit into plane (%lu < %lu)\n", __func__, vb2_plane_size(vb, 0), (long)q_data->sizeimage); @@ -822,6 +826,7 @@ static void vim2m_buf_request_complete(struct vb2_buffer *vb) static const struct vb2_ops vim2m_qops = { .queue_setup = vim2m_queue_setup, + .buf_out_validate = vim2m_buf_out_validate, .buf_prepare = vim2m_buf_prepare, .buf_queue = vim2m_buf_queue, .start_streaming = vim2m_start_streaming, |