Re: [PATCH v2] dmaengine: xilinx: xdma: Fix Judgment of the return value

[Michal Simek <michal.simek@xxxxxxx>]

On 7/5/23 13:39, Minjie Du wrote:
> Fix: make IS_ERR() judge the devm_ioremap_resource() function return.
>
> Fixes: 17ce252266c7 ("dmaengine: xilinx: xdma: Add xilinx xdma driver")
> Signed-off-by: Minjie Du <duminjie@xxxxxxxx>
> ---
>   drivers/dma/xilinx/xdma.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c
> index 93ee298d5..ad5ff6335 100644
> --- a/drivers/dma/xilinx/xdma.c
> +++ b/drivers/dma/xilinx/xdma.c
> @@ -892,7 +892,7 @@ static int xdma_probe(struct platform_device *pdev)
>   	}
>   
>   	reg_base = devm_ioremap_resource(&pdev->dev, res);
> -	if (!reg_base) {
> +	if (IS_ERR(reg_base)) {
>   		xdma_err(xdev, "ioremap failed");
>   		goto failed;
>   	}

Acked-by: Michal Simek <michal.simek@xxxxxxx>

M