diff options
| author | Anders Roxell <anders.roxell@linaro.org> | 2016-08-10 12:11:15 +0200 |
|---|---|---|
| committer | Anders Roxell <anders.roxell@linaro.org> | 2016-08-10 12:11:15 +0200 |
| commit | a44038112d3379f49df8a9db3e1259d9e945faee (patch) | |
| tree | 198f8ef7dcba389b87dbd3cac861d896b5bfd77d /drivers/input/tablet/gtco.c | |
| parent | 590e935df0c94b2d7a4584bb26906666176a6133 (diff) | |
| parent | 0e790100f1c49f32a390d0cc55801230fd04ba56 (diff) | |
Merge remote-tracking branch 'lsk/linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-rtlsk-v3.18-16.09-rtlinux-linaro-lsk-v3.18-rt-test
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Conflicts:
kernel/futex.c
kernel/printk/printk.c
kernel/softirq.c
mm/slub.c
mm/swap.c
Diffstat (limited to 'drivers/input/tablet/gtco.c')
| -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 858045694e9d..a51de543a0b2 100644 --- a/drivers/input/tablet/gtco.c +++ b/drivers/input/tablet/gtco.c @@ -868,6 +868,14 @@ 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 @@ -889,7 +897,7 @@ 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; |