Re: [PATCH] [media] coda: remove redundant call to v4l2_m2m_get_vq

From: Hans Verkuil
Date: Mon Mar 27 2017 - 05:47:54 EST


On 23/03/17 12:57, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The call to v4ls_m2m_get_vq is only used to get the return value
> which is not being used, so it appears to be redundant and can
> be removed.
>
> Detected with CoverityScan, CID#1420674 ("Useless call")
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/media/platform/coda/coda-common.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
> index 800d2477f1a0..95e4648f18e6 100644
> --- a/drivers/media/platform/coda/coda-common.c
> +++ b/drivers/media/platform/coda/coda-common.c
> @@ -817,8 +817,6 @@ static int coda_qbuf(struct file *file, void *priv,
> static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
> struct vb2_v4l2_buffer *buf)
> {
> - v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
> -
> return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) &&
> (buf->sequence == (ctx->qsequence - 1)));
> }
>

Philipp, is this correct, or should this actually check whether the queue is an
output queue?

Regards,

Hans