[PATCH] drm/i915/gvt: destroy dmabuf mutex in intel_gvt_destroy_vgpu

[Zhenyu Wang]

On 2018.08.03 18:29:24 +0800, intel-gvt-dev-bounces at lists.freedesktop.org wrote:
> From: Hang Yuan <hang.yuan at linux.intel.com>
> 
> dmabuf mutex is initialized when vgpu is created. Destroy it when vgpu
> is removed.
> 
> Fixes: 6046f8b91e87("drm/i915/gvt: initialize dmabuf mutex in vgpu_create")
> Signed-off-by: Hang Yuan <hang.yuan at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/gvt/vgpu.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
> index 1c8609d..d6ffee3 100644
> --- a/drivers/gpu/drm/i915/gvt/vgpu.c
> +++ b/drivers/gpu/drm/i915/gvt/vgpu.c
> @@ -268,6 +268,7 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu)
>  	intel_vgpu_free_resource(vgpu);
>  	intel_vgpu_clean_mmio(vgpu);
>  	intel_vgpu_dmabuf_cleanup(vgpu);
> +	mutex_destroy(&vgpu->dmabuf_lock);
>  	mutex_unlock(&vgpu->vgpu_lock);
>

We normally ignore to call destroy to mutex, is this helping you for debugging or else?

>  	mutex_lock(&gvt->lock);
> -- 
> 2.7.4
> 
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> intel-gvt-dev at lists.freedesktop.org
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