Input: kbtab - validate number of endpoints before using them

[pandora-kernel.git] / drivers / input / tablet / kbtab.c

diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index 290f4e5..3b67fb8 100644 (file)
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -117,6 +117,9 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
        struct input_dev *input_dev;
        int error = -ENOMEM;
 
+       if (intf->cur_altsetting->desc.bNumEndpoints < 1)
+               return -ENODEV;
+
        kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL);
        input_dev = input_allocate_device();
        if (!kbtab || !input_dev)