[PATCH] drm/msm/iommu: Fix null pointer dereference in no-IOMMU case

[Dmitry Baryshkov]

On 08/05/2023 23:26, Luca Weiss wrote:
> In the case that no IOMMU is available, msm_iommu_new can return NULL
> which should be handled. Without we will get a NULL pointer dereference
> in the next statement when we try to use the mmu variable.
> 
> Fixes: 8cceb773f565 ("drm/msm/adreno: stall translation on fault for all GPU families")
> Signed-off-by: Luca Weiss <luca at z3ntu.xyz>
> ---
>   drivers/gpu/drm/msm/msm_iommu.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

-- 
With best wishes
Dmitry