diff options
Diffstat (limited to 'drivers/hid/hid-thrustmaster.c')
| -rw-r--r-- | drivers/hid/hid-thrustmaster.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c index cf1679b0d4fb..0bf70664c35e 100644 --- a/drivers/hid/hid-thrustmaster.c +++ b/drivers/hid/hid-thrustmaster.c @@ -170,6 +170,15 @@ static void thrustmaster_interrupts(struct hid_device *hdev) ep = &usbif->cur_altsetting->endpoint[1]; b_ep = ep->desc.bEndpointAddress; + /* Are the expected endpoints present? */ + u8 ep_addr[2] = {b_ep, 0}; + + if (!usb_check_int_endpoints(usbif, ep_addr)) { + kfree(send_buf); + hid_err(hdev, "Unexpected non-int endpoint\n"); + return; + } + for (i = 0; i < ARRAY_SIZE(setup_arr); ++i) { memcpy(send_buf, setup_arr[i], setup_arr_sizes[i]); |