[PATCH] drm/nouveau/tegra: Fix error handling

[Alexandre Courbot]

On Mon, Oct 31, 2016 at 3:35 PM, Christophe JAILLET
<christophe.jaillet at wanadoo.fr> wrote:
> 'iommu_domain_alloc()' returns NULL in case of error, not an error pointer.
> So test it accordingly.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>

Reviewed-by: Alexandre Courbot <acourbot at nvidia.com>

Indeed. Thanks for the fix!