Re: [PATCH] dmaengine: mediatek: Return the correct errno code

Matthias Brugger
2021-06-18T13:53:09Z

On 17/06/2021 15:32, angkery wrote:
> From: Junlin Yang <yangjunlin@yulong.com>
>
> When devm_kzalloc failed, should return ENOMEM rather than ENODEV.
>
> Signed-off-by: Junlin Yang <yangjunlin@yulong.com>

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>

> ---
> drivers/dma/mediatek/mtk-uart-apdma.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c
> index 375e7e6..a4cb30f 100644
> --- a/drivers/dma/mediatek/mtk-uart-apdma.c
> +++ b/drivers/dma/mediatek/mtk-uart-apdma.c
> @@ -529,7 +529,7 @@ static int mtk_uart_apdma_probe(struct platform_device *pdev)
> for (i = 0; i < mtkd->dma_requests; i++) {
> c = devm_kzalloc(mtkd->ddev.dev, sizeof(*c), GFP_KERNEL);
> if (!c) {
> - rc = -ENODEV;
> + rc = -ENOMEM;
> goto err_no_dma;
> }
>
>