diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/visor.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 60afb39eb73c..c53fbb3e0b8c 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -544,6 +544,11 @@ static int treo_attach(struct usb_serial *serial) (serial->num_interrupt_in == 0)) return 0; + if (serial->num_bulk_in < 2 || serial->num_interrupt_in < 2) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + /* * It appears that Treos and Kyoceras want to use the * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, |