[PATCH v1] drivers: xilinx: Fix Judgment of the return value of the devm_ioremap_resource function
Lizhi Hou
lizhi.hou at amd.com
Wed Jul 5 09:47:41 PDT 2023
Hi Minjie,
There was a patch created for this. Please see
https://lore.kernel.org/all/20230217062652.172480-1-yangyingliang@huawei.com/
Thanks,
Lizhi
On 7/4/23 05:04, Minjie Du wrote:
> IS_ERR() fix devm_ioremap_resource function return judge.
> Could you help check it out?
> Thank you!
>
> Signed-off-by: Minjie Du <duminjie at vivo.com>
> ---
> 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;
> }
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