"old_rdtodo" and "size" are short type. They are type promoted to int and the condition is never true.
Signed-off-by: Dan Carpenter <[email protected]> diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 7814262..6e1b69d 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -279,7 +279,7 @@ static void cyberjack_read_int_callback(struct urb *urb) old_rdtodo = priv->rdtodo; - if (old_rdtodo + size < old_rdtodo) { + if (old_rdtodo > SHRT_MAX - size) { dev_dbg(dev, "To many bulk_in urbs to do.\n"); spin_unlock(&priv->lock); goto resubmit; -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
