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[media] coda: dequeue buffers if start_streaming fails 

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Philipp Zabel 2014-08-05 14:00:10 -03:00 committed by Mauro Carvalho Chehab
parent 540b72e415
commit b906352c23
1 changed files with 26 additions and 8 deletions
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34
drivers/media/platform/coda/coda-common.c
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@ -1005,6 +1005,7 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
struct coda_ctx *ctx = vb2_get_drv_priv(q);
struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
struct coda_q_data *q_data_src, *q_data_dst;
struct vb2_buffer *buf;
u32 dst_fourcc;
int ret = 0;
@ -1016,17 +1017,23 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
coda_fill_bitstream(ctx);
mutex_unlock(&ctx->bitstream_mutex);
if (coda_get_bitstream_payload(ctx) < 512)
return -EINVAL;
if (coda_get_bitstream_payload(ctx) < 512) {
ret = -EINVAL;
goto err;
}
} else {
if (count < 1)
return -EINVAL;
if (count < 1) {
ret = -EINVAL;
goto err;
}
}
ctx->streamon_out = 1;
} else {
if (count < 1)
return -EINVAL;
if (count < 1) {
ret = -EINVAL;
goto err;
}
ctx->streamon_cap = 1;
}
@ -1047,7 +1054,8 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
q_data_dst->fourcc);
if (!ctx->codec) {
v4l2_err(v4l2_dev, "couldn't tell instance type.\n");
return -EINVAL;
ret = -EINVAL;
goto err;
}
ret = ctx->ops->start_streaming(ctx);
@ -1055,11 +1063,21 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
if (ret == -EAGAIN)
return 0;
else if (ret < 0)
return ret;
goto err;
}
ctx->initialized = 1;
return ret;
err:
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_DEQUEUED);
} else {
while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_DEQUEUED);
}
return ret;
}
static void coda_stop_streaming(struct vb2_queue *q)