diff options
| -rw-r--r-- | drivers/usb/serial/keyspan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 7c069a02c1dd..ea7bba69f4da 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c | |||
| @@ -838,7 +838,7 @@ static void usa49_indat_callback(struct urb *urb) | |||
| 838 | 838 | ||
| 839 | port = (struct usb_serial_port *) urb->context; | 839 | port = (struct usb_serial_port *) urb->context; |
| 840 | tty = port->tty; | 840 | tty = port->tty; |
| 841 | if (urb->actual_length) { | 841 | if (tty && urb->actual_length) { |
| 842 | /* 0x80 bit is error flag */ | 842 | /* 0x80 bit is error flag */ |
| 843 | if ((data[0] & 0x80) == 0) { | 843 | if ((data[0] & 0x80) == 0) { |
| 844 | /* no error on any byte */ | 844 | /* no error on any byte */ |