David Miller [mailto:davem@xxxxxxxxxxxxx] > Sent: Wednesday, November 12, 2014 1:13 PM [...] > I really want to know why you are spending so much effort on this. > > Is there a real situation that happened very often, which you > diagnosed in detail, and therefore you want to address? No. I just consider the possible situation and want to make the driver better. If you think this is unnecessary, I would remove it. Best Regards, Hayes -- 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