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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
drivers
/
input
/
tablet
/
gtco.c
diff --git
a/kernel/drivers/input/tablet/gtco.c
b/kernel/drivers/input/tablet/gtco.c
index
3a7f3a4
..
7c18249
100644
(file)
--- a/
kernel/drivers/input/tablet/gtco.c
+++ b/
kernel/drivers/input/tablet/gtco.c
@@
-858,6
+858,14
@@
static int gtco_probe(struct usb_interface *usbinterface,
goto err_free_buf;
}
goto err_free_buf;
}
+ /* Sanity check that a device has an endpoint */
+ if (usbinterface->altsetting[0].desc.bNumEndpoints < 1) {
+ dev_err(&usbinterface->dev,
+ "Invalid number of endpoints\n");
+ error = -EINVAL;
+ goto err_free_urb;
+ }
+
/*
* The endpoint is always altsetting 0, we know this since we know
* this device only has one interrupt endpoint
/*
* The endpoint is always altsetting 0, we know this since we know
* this device only has one interrupt endpoint
@@
-879,7
+887,7
@@
static int gtco_probe(struct usb_interface *usbinterface,
* HID report descriptor
*/
if (usb_get_extra_descriptor(usbinterface->cur_altsetting,
* HID report descriptor
*/
if (usb_get_extra_descriptor(usbinterface->cur_altsetting,
- HID_DEVICE_TYPE, &hid_desc) != 0){
+ HID_DEVICE_TYPE, &hid_desc) != 0)
{
dev_err(&usbinterface->dev,
"Can't retrieve exta USB descriptor to get hid report descriptor length\n");
error = -EIO;
dev_err(&usbinterface->dev,
"Can't retrieve exta USB descriptor to get hid report descriptor length\n");
error = -EIO;