diff options
| -rw-r--r-- | drivers/input/tablet/pegasus_notetaker.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/input/tablet/pegasus_notetaker.c b/drivers/input/tablet/pegasus_notetaker.c index d836d3dcc6a2..a68da2988f9c 100644 --- a/drivers/input/tablet/pegasus_notetaker.c +++ b/drivers/input/tablet/pegasus_notetaker.c @@ -296,6 +296,12 @@ static int pegasus_probe(struct usb_interface *intf, pegasus->intf = intf; pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); + /* Sanity check that pipe's type matches endpoint's type */ + if (usb_pipe_type_check(dev, pipe)) { + error = -EINVAL; + goto err_free_mem; + } + pegasus->data_len = usb_maxpacket(dev, pipe); pegasus->data = usb_alloc_coherent(dev, pegasus->data_len, GFP_KERNEL, |