[U-Boot] [PATCH V5 05/18] usb: gadget: ether: return error from rx_submit if no request

[Marek Vasut]

Dear Troy Kisky,

> This prevents a crash if tftpboot is given a bad filename.
> 
> rx_req will be released by eth_reset_config
> which is called by eth_disconnect,
> which is called using the .disconnect member of usb_gadget_driver by
> mv_pullup in mv_udc which is called using the .pullup member of
> usb_gadget_ops by usb_gadget_disconnect which is called by usb_eth_halt
> which is called using the .halt member of eth_device by eth_halt
> which is called by TftpHandler when TFTP_ERR_FILE_NOT_FOUND or
> TFTP_ERR_ACCESS_DENIED occurs
> 
> I trigger this with the following commands
> setenv ipaddr 10.0.0.2 && setenv netmask 255.255.255.0 && setenv serverip
> 10.0.0.1 setenv usbnet_devaddr 00:11:22:33:44:55 && setenv usbnet_hostaddr
> 00:aa:bb:cc:dd:ee setenv ethprime usb_ether && setenv ethact usb_ether &&
> setenv ncip 10.0.0.1 tftpboot 10800000 10.0.0.1:missing_file
> 
> Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
>

Picking for -next, thanks

Best regards,
Marek Vasut