diff options
Diffstat (limited to 'drivers/input/touchscreen/sur40.c')
| -rw-r--r-- | drivers/input/touchscreen/sur40.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index a24eba5ea843..ee422cb5799a 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -488,6 +488,9 @@ static int sur40_probe(struct usb_interface *interface, if (iface_desc->desc.bInterfaceClass != 0xFF) return -ENODEV; + if (iface_desc->desc.bNumEndpoints < 5) + return -ENODEV; + /* Use endpoint #4 (0x86). */ endpoint = &iface_desc->endpoint[4].desc; if (endpoint->bEndpointAddress != TOUCH_ENDPOINT) |