On Tue, Jul 30, 2013 at 4:28 PM, Hayes Wang <hayeswang@xxxxxxxxxxx> wrote: > Allocate the transfer buffer in probe(), and use the buffer for > usb control transfer. Looks this is a usbnet device, so suggest to use usbnet command APIs (usbnet_read_cmd/usbnet_write_cmd) to do that, another advantage is you can avoid to access runtime-suspended device from ethtool. Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html