[Click] bug on lib/element.cc

[Eddie Kohler]

Great find!  Thanks, Jacky.  Patch checked in.

Eddie


On Oct 21, 2005, at 2:09 PM, Jacky Cheng wrote:

> Hi,
>  Router crashed if Element(int, int) constructer is used.
>  int
> Element::set_nports(int new_ninputs, int new_noutputs)
> {
> // exit on bad counts, or if already initialized
> if (new_ninputs < 0 || new_noutputs < 0)
> return -EINVAL;
> - if (_router->_have_connections) {
> + if (_router && _router->_have_connections) {
> if (_router->_state >= Router::ROUTER_PREINITIALIZE)
> return -EBUSY;
> _router->_have_connections = false;
> }
>  --Jacky
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