Re: [PATCH] media: mtk-jpeg: remove redundant initialization of variable plane_fmt

From: Dan Carpenter
Date: Wed Feb 02 2022 - 00:03:31 EST


On Sun, Jan 30, 2022 at 11:11:11PM +0000, Colin Ian King wrote:
> The variable plane_fmt is being initialized with a value that is never
> read, it is being re-assigned a new value on each iteration of a for
> loop. The initialization is redundant and can be removed.
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> index f332beb06d51..b334bbb2e682 100644
> --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> @@ -681,7 +681,7 @@ static int mtk_jpeg_buf_prepare(struct vb2_buffer *vb)
> {
> struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
> struct mtk_jpeg_q_data *q_data = NULL;
> - struct v4l2_plane_pix_format plane_fmt = {};
> + struct v4l2_plane_pix_format plane_fmt;

Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

This one is fine, but keep in mind that the other reason people do = {}
assignments is to zero out struct holes. The assignment inside the loop
will not do that.

regards,
dan carpenter