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Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index d595aa5586a..a84216464ca 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -333,6 +333,9 @@ static void serial_close(struct tty_struct *tty, struct file *filp) { struct usb_serial_port *port = tty->driver_data; + if (!port) + return; + dbg("%s - port %d", __func__, port->number); |