Input: yealink - validate number of endpoints before using them

[pandora-kernel.git] / drivers / input / misc / yealink.c

diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index 41201c6..2b8e430 100644 (file)
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -867,6 +867,10 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
        int ret, pipe, i;
 
        interface = intf->cur_altsetting;
+
+       if (interface->desc.bNumEndpoints < 1)
+               return -ENODEV;
+
        endpoint = &interface->endpoint[0].desc;
        if (!usb_endpoint_is_int_in(endpoint))
                return -ENODEV;