是的，您需要分离当前连接的驱动程序，否则内核将不允许您使用该接口.到目前为止，代码看起来还不错.

Yes you need to detach the currently attached driver otherwise the kernel won''t let you use the interface. Also the code till now looks fine.

我收到中断读取错误-7.所以请建议我该错误的原因是什么

I am getting interrupt read error -7.so please suggest me what might be the reason for this error