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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-07-19 11:02:56 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-07-19 11:02:56 -0700 |
| commit | 8c57a5e7b2820f349c95b8c8393fec1e0f4070d2 (patch) | |
| tree | 8ef0f3c986968392ccdc70ca43b23eba729e2019 /drivers/input/tablet | |
| parent | 0bb11e969f5367dcb661f9fcc77efd5d58a2c470 (diff) | |
| parent | 6a5029e66404462a3322dba8e35615bd09332081 (diff) | |
| download | linux-8c57a5e7b2820f349c95b8c8393fec1e0f4070d2.tar.gz | |
Merge branch 'for-linus' into next
Sync up to bring in wacom_w8001 changes to avoid merge conflicts later.
Diffstat (limited to 'drivers/input/tablet')
| -rw-r--r-- | drivers/input/tablet/gtco.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c index 362ae3b5e188..abf09ac42ce4 100644 --- a/drivers/input/tablet/gtco.c +++ b/drivers/input/tablet/gtco.c @@ -857,6 +857,14 @@ static int gtco_probe(struct usb_interface *usbinterface, 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 @@ -878,7 +886,7 @@ static int gtco_probe(struct usb_interface *usbinterface, * 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; |