prevent dereferencing null

[Marcus Meissner]

On Thu, Jan 09, 2003 at 05:45:00PM -0800, Bill Medland wrote:
> On January 9, 2003 03:12 pm, Dimitrie O. Paun wrote:
> > On January 9, 2003 07:08 pm, Bill Medland wrote:
> > > +    if (!tpinfo->chanbuf) {
> > > +        ERR("tpinfo has no Rpc Channel Buffer\n");
> > > +        return 0;
> > > +    }
> >
> > Is this expected behaviour? If so, there's no need for the ERR msg.
> > If not, there's no need for the test, we need to fix the root cause...
> You are, of course, quite correct.
> I don't know what the expected behaviour is; all I know is that dereferncing 
> the null pointer isn't.
> If someone actually understands all that proxy stuff then maybe they can do 
> something about it.
> If not then I guess it is destined to languish unfixed.

I vaguely remember this happening for inter-thread COM, I did not come around
to debug it yet.

"return E_FAIL;" might be more appropriate too.

Ciao, Marcus