Re: [PATCH v2 12/28] spi: s3c64xx: check return code of dmaengine_slave_config()

From: Sam Protsenko
Date: Thu Jan 25 2024 - 15:20:05 EST


On Thu, Jan 25, 2024 at 8:50 AM Tudor Ambarus <tudor.ambarus@linaroorg> wrote:
>
> Check the return code of dmaengine_slave_config().
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>
> ---

Reviewed-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>

> drivers/spi/spi-s3c64xx.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 107b4200ab00..48b87c5e2dd2 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -297,7 +297,9 @@ static int prepare_dma(struct s3c64xx_spi_dma_data *dma,
> config.dst_maxburst = 1;
> }
> config.direction = dma->direction;
> - dmaengine_slave_config(dma->ch, &config);
> + ret = dmaengine_slave_config(dma->ch, &config);
> + if (ret)
> + return ret;
>
> desc = dmaengine_prep_slave_sg(dma->ch, sgt->sgl, sgt->nents,
> dma->direction, DMA_PREP_INTERRUPT);
> --
> 2.43.0.429.g432eaa2c6b-goog
>