On Fri, 29 Apr 2011, Oliver Neukum wrote: > Hi, > > what is the correct error read() should return to tell user space that > a device has been reset? It depends on the device; some devices don't need to report an error at all. In general, though, I think the best is simply -EIO. 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