drm/amdgpu: set metadata pointer to NULL after freeing.

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Without this there was a double free of the metadata,
which ended up freeing the fd table for me here, and taking
out the machine more often than not.

I reproduced with X.org + modesetting DDX + latest llvm/mesa,
also required using dri3.

Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Dave Airlie 2016-05-03 12:44:29 +10:00 • committed by Alex Deucher

parent ea99697814

commit 0092d3edcb

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drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

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