diff options
| -rw-r--r-- | drivers/usb/gadget/mv_udc.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/usb/gadget/mv_udc.c b/drivers/usb/gadget/mv_udc.c index 6d69d6d..bed5898 100644 --- a/drivers/usb/gadget/mv_udc.c +++ b/drivers/usb/gadget/mv_udc.c @@ -471,13 +471,12 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) struct mv_udc *udc; int ret; - if (!driver - || driver->speed < USB_SPEED_FULL - || !driver->bind - || !driver->setup) { - DBG("bad parameter.\n"); + if (!driver) + return -EINVAL; + if (!driver->bind || !driver->setup || !driver->disconnect) + return -EINVAL; + if (driver->speed != USB_SPEED_FULL && driver->speed != USB_SPEED_HIGH) return -EINVAL; - } ret = usb_lowlevel_init(0, (void **)&controller.ctrl); if (ret) |