On Mon, 20 Aug 2012, Bjørn Mork wrote: > Hello, > > I just noticed that /dev/ttyUSBx devices are not destroyed and released > on USB device disconnect if some process keeps the file open, and > reading from the file does not return an error - it successfully reads 0 > bytes instead.
I could be wrong about this, but isn't reading from a hung-up tty supposed to be much like reaching end-of-file? That doesn't return an error either, but applications manage to deal with it somehow. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
