[PATCH] render: Avoid infinite loops in alpha map handling (#23581)

Adam Jackson ajax at nwnk.net
Tue May 11 11:12:52 PDT 2010


On Tue, 2010-05-11 at 09:25 -0700, Keith Packard wrote:
> On Tue, 11 May 2010 11:30:06 -0400, Adam Jackson <ajax at redhat.com> wrote:
> 
> > If setting alpha map to a picture that already has one, use that
> > instead. (Transitively, although that should never happen.)  If setting
> > alpha map picture to the picture itself, act as though None were
> > given.
> 
> I think this needs to be done dynamically while rendering in case you
> change one of the intermediate links in the list.
> 
> I'm also pretty sure we're spending too much time on a misfeature...

I just want it to not trivially crash my server.  I could care less
about correctness for this.

- ajax
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