On Wednesday 27 February 2013 13:52:26 Johan Hovold wrote: > Unregister tty device in disconnect as is required by the USB stack. > > By deferring unregistration to when the last tty reference is dropped, > the parent interface device can get unregistered before the child > resulting in broken hotplug events being generated when the tty is > finally closed: > > KERNEL[2290.798128] remove /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:3.1 (usb) > KERNEL[2290.804589] remove /devices/pci0000:00/0000:00:1d.7/usb2/2-1 (usb) > KERNEL[2294.554799] remove /2-1:3.1/tty/ttyACM0 (tty) > > The driver must deal with tty callbacks after disconnect by checking the > disconnected flag. Specifically, further opens must be prevented and > this is already implemented. > > Cc: stable <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx> Acked-by: Oliver Neukum <oneukum@xxxxxxx> -- 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
