[libvirt] [PATCH] add an assert, to avoid a false-positive NULL-deref warning from clang
Daniel P. Berrange
berrange at redhat.com
Mon Mar 1 17:46:27 UTC 2010
On Mon, Mar 01, 2010 at 06:36:47PM +0100, Paolo Bonzini wrote:
>
> >On the other hand, perhaps a more invasive rewrite would also work while
> >also avoiding assert(), by hoisting the worker->quitRequest into the while
> >loop, something like:
> >
> > while ((client = qemudPendingJob(server)) == NULL) {
> > if (worker->quitRequest
> > || virCondWait(&server->job,&server->lock)< 0) {
> > virMutexUnlock(&server->lock);
> > return NULL;
> > }
> > }
> > if (worker->quitRequest) {
> > virMutexUnlock(&client->lock);
> > virMutexUnlock(&server->lock);
> > return NULL;
> > }
> >
> >Should I write that into patch format?
>
> I think it's best to report the bug to clang's bugzilla and not clutter
> libvirt too much.
Agreed, I rather we just reported it to clang with the demo code & not
do anything in libvirt. It is easy enough to ignore this on subsequent
clang runs
Daniel
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