[Nouveau] [PATCH] nouveau: when nouveau_bo_map fails you expect it to not be mapped

[Dave Airlie]

On Fri, Dec 25, 2009 at 4:33 AM, Maarten Maathuis <madman2003 at gmail.com> wrote:
> - This includes unmapping on failure to sync for cpu access.
> - Double mapping will also be punished, so that people fix their code.

Not sure that'll work too well for sw fallbacks, you can same src/dst
pixmap or same
texture/colorbuffer and the mapping code should just work.

Dave.