[PATCH] drivers: musb_gadget: Save endpoint desc to usb_ep->desc

[Sean Anderson]

On 11/7/21 10:04 PM, qianfanguijin at qq.com wrote:
> From: qianfan Zhao <qianfanguijin at 163.com>
> 
> Fix fastboot flash bug.
> 
> If the downloading file size is equal to the partition size, "fastboot
> flash" can't work, at least in sunxi platform, because used an
> uninitalized point: ep->desc.
> 
> Reproduce: fastboot flash loader1 spl/sunxi-spl.bin.
> 
> Signed-off-by: qianfan Zhao <qianfanguijin at 163.com>
> ---
>   drivers/usb/musb-new/musb_gadget.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/musb-new/musb_gadget.c b/drivers/usb/musb-new/musb_gadget.c
> index 5b149dac6d..12d9911ecd 100644
> --- a/drivers/usb/musb-new/musb_gadget.c
> +++ b/drivers/usb/musb-new/musb_gadget.c
> @@ -1188,6 +1188,7 @@ static int musb_gadget_enable(struct usb_ep *ep,
>   	} else
>   		musb_ep->dma = NULL;
>   
> +	musb_ep->end_point.desc = desc;
>   	musb_ep->desc = desc;
>   	musb_ep->busy = 0;
>   	musb_ep->wedged = 0;
> 

This also needs to be set to NULL in disabled.

--Sean