2.6.24-stable review patch. If anyone has any objections, please let us know. ------------------ From: Alan Cox If we get a data URB back from the hardware after we have put the tty to bed we go kaboom. Fortunately all we need to do is process the URB without trying to ram its contents down the throat of an ex-tty. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/keyspan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -838,7 +838,7 @@ static void usa49_indat_callback(struct port = (struct usb_serial_port *) urb->context; tty = port->tty; - if (urb->actual_length) { + if (tty && urb->actual_length) { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { /* no error on any byte */ -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/