On Thu, 29 Jan 2015, Oliver Neukum wrote: > On Thu, 2015-01-29 at 11:29 -0500, Alan Stern wrote: > > The usbfs API has a peculiar hole: Users are not allowed to reap their > > URBs after the device has been disconnected. There doesn't seem to be > > any good reason for this; it is an ad-hoc inconsistency. > > How many URBs can you queue this way? I don't understand the question. Are you asking how many URBs can be queued via usbfs? It's limited only by the restriction on the total memory usage (see usbfs_memory_mb in devio.c). Of course, after a device has disconnected, you can't queue any URBs for it. 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
