On Fri, 31 Dec 2010, vichy wrote: > > But you don't need a detailed comparison to find out which URB timed > > out. You can tell by looking at the status code in the URB's > > completion line; a timeout will set the status to -2. > > I can see -2 on the log of usbmon right now. > And it seems from usbmon_urb_complete > but if the timeout happen, which function call usbmon_urb_complete? usb_hcd_giveback_urb calls usbmon_urb_complete. This is always true, regardless of whether the URB times out. 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
