Re: [PATCH] DMA: PL330: Remove unreachable code

From: Vinod Koul
Date: Wed Oct 14 2020 - 00:39:52 EST


On 13-10-20, 17:17, Surendran K wrote:
> _setup_req(..) never returns negative value.
> Hence the condition ret < 0 is never met

The subsystem is "dmaengine", git log would tell you the tags to use


>
> Signed-off-by: Surendran K <surendran.k@xxxxxxxxxxx>
> ---
> drivers/dma/pl330.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
> index e9f0101d92fa..8355586c9788 100644
> --- a/drivers/dma/pl330.c
> +++ b/drivers/dma/pl330.c
> @@ -1527,8 +1527,6 @@ static int pl330_submit_req(struct pl330_thread *thrd,
>
> /* First dry run to check if req is acceptable */
> ret = _setup_req(pl330, 1, thrd, idx, &xs);
> - if (ret < 0)
> - goto xfer_exit;
>
> if (ret > pl330->mcbufsz / 2) {
> dev_info(pl330->ddma.dev, "%s:%d Try increasing mcbufsz (%i/%i)\n",
> --
> 2.17.1

--
~Vinod