[PATCH] drm/amdgpu: Add a missing lock for drm_mm_takedown

[Andrey Grodzovsky]

Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>

Thanks,

Andrey


On 01/19/2018 02:00 PM, mikita.lipski at amd.com wrote:
> From: Mikita Lipski <mikita.lipski at amd.com>
>
> Inside amdgpu_gtt_mgr_fini add a missing lock to maintain
> locking balance
>
> Signed-off-by: Mikita Lipski <mikita.lipski at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> index 7abc1f3..da7b1b9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> @@ -75,7 +75,7 @@ static int amdgpu_gtt_mgr_init(struct ttm_mem_type_manager *man,
>   static int amdgpu_gtt_mgr_fini(struct ttm_mem_type_manager *man)
>   {
>   	struct amdgpu_gtt_mgr *mgr = man->priv;
> -
> +	spin_lock(&mgr->lock);
>   	drm_mm_takedown(&mgr->mm);
>   	spin_unlock(&mgr->lock);
>   	kfree(mgr);