diff options
| -rw-r--r-- | drivers/input/misc/ims-pcu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 3e6491db5..ce0e1e670 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -1437,6 +1437,10 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc return -EINVAL; alt = pcu->ctrl_intf->cur_altsetting; + + if (alt->desc.bNumEndpoints < 1) + return -ENODEV; + pcu->ep_ctrl = &alt->endpoint[0].desc; pcu->max_ctrl_size = usb_endpoint_maxp(pcu->ep_ctrl); |