[PATCH v2] drm/gem: Fix mmap fake offset handling for drm_gem_object_funcs.mmap

[Daniel Vetter]

On Thu, Nov 21, 2019 at 09:10:21AM +0100, Gerd Hoffmann wrote:
>   Hi,
> 
> > Aside: the amdgpu isn't great because it's racy, userspace could have
> > guessed the fd and already started an mmap before we managed to update
> > stuff.
> 
> Can't see that race.  When I read the code correctly the fd is created
> and installed (using dma_buf_fd) only after dmabuf setup is finished.

Right, I mixed things up. Looks all good.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch