On Wed, 27 Jan 2010 mikedunn@xxxxxxxxxxx wrote: > Hi, > > Quick question that will save a lot of time slogging through usbcore code if > someone will indulge me. > > Is it necessary to kill all outstanding urbs in a driver's disconnect > function? I've seen documentation saying that the usbcore takes care of this > when the disconnect is detected, suggesting that tracking outstanding urbs and > killing them in the driver's disconnect function is unnecessary. But I also > see drivers that do just that. As I understand it, an urb killed by usbcore > will have its callback invoked, with the result code indicating that it was > killed, which the callback can handle gracefully. Any errors in my > understanding? That's basically right. A driver doesn't have to kill its own URBs, but it is considered good form to do so. Alan Stern -- 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
