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Diffstat (limited to 'drivers/usb/serial/io_ti.c')
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 58184f3de686..82afc4d6a327 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -530,6 +530,9 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout, wait_queue_t wait; unsigned long flags; + if (!tty) + return; + if (!timeout) timeout = (HZ * EDGE_CLOSING_WAIT)/100; |