On 04/16/2015 02:17 PM, weiyj...@163.com wrote:
> From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
>
> In case of error, the function devm_ioremap_resource() returns
> ERR_PTR() and never returns NULL. The NULL test in the return
> value check should be replaced with IS_ERR().
>
> Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
> ---
> drivers/usb/gadget/udc/udc-xilinx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/gadget/udc/udc-xilinx.c
> b/drivers/usb/gadget/udc/udc-xilinx.c
> index dd3e9fd..cfe0349 100644
> --- a/drivers/usb/gadget/udc/udc-xilinx.c
> +++ b/drivers/usb/gadget/udc/udc-xilinx.c
> @@ -2071,8 +2071,8 @@ static int xudc_probe(struct platform_device *pdev)
> /* Map the registers */
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> udc->addr = devm_ioremap_resource(&pdev->dev, res);
> - if (!udc->addr)
> - return -ENOMEM;
> + if (IS_ERR(udc->addr))
> + return PTR_ERR(udc->addr);
>
> irq = platform_get_irq(pdev, 0);
> if (irq < 0) {
>
Reviewed-by: Michal Simek <michal.si...@xilinx.com>
Thanks,
Michal
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