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[media] coda: fail to start streaming if userspace set invalid formats 

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Philipp Zabel 2015-03-24 14:30:55 -03:00 committed by Mauro Carvalho Chehab
parent 6ba53b81b6
commit 23b6ee5cd9
1 changed files with 12 additions and 1 deletions
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13
drivers/media/platform/coda/coda-common.c
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@ -1282,12 +1282,23 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
if (!(ctx->streamon_out & ctx->streamon_cap))
return 0;
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
if ((q_data_src->width != q_data_dst->width &&
round_up(q_data_src->width, 16) != q_data_dst->width) ||
(q_data_src->height != q_data_dst->height &&
round_up(q_data_src->height, 16) != q_data_dst->height)) {
v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
q_data_src->width, q_data_src->height,
q_data_dst->width, q_data_dst->height);
ret = -EINVAL;
goto err;
}
/* Allow BIT decoder device_run with no new buffers queued */
if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
ctx->gopcounter = ctx->params.gop_size - 1;
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
q_data_dst->fourcc);