On 24/04/2022 20:04, Dmitry Osipenko wrote:
> When panfrost_mmu_map_fault_addr() fails, the BO's mapping should be
> unreferenced and not the shmem object that backs that mapping.
> 
> Cc: sta...@vger.kernel.org
> Signed-off-by: Dmitry Osipenko <dmitry.osipe...@collabora.com>

Fixes: bdefca2d8dc0 ("drm/panfrost: Add the panfrost_gem_mapping concept")

Reviewed-by: Steven Price <steven.pr...@arm.com>

Thanks,

Steve

> ---
>  drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c 
> b/drivers/gpu/drm/panfrost/panfrost_mmu.c
> index d3f82b26a631..b285a8001b1d 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
> @@ -518,7 +518,7 @@ static int panfrost_mmu_map_fault_addr(struct 
> panfrost_device *pfdev, int as,
>  err_pages:
>       drm_gem_shmem_put_pages(&bo->base);
>  err_bo:
> -     drm_gem_object_put(&bo->base.base);
> +     panfrost_gem_mapping_put(bomapping);
>       return ret;
>  }
>  

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