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	drm/amdgpu: set the VM pointer to NULL in amdgpu_job_prepare
As soon as the prepare phase is completed the VM might be released, better set it to NULL. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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					@ -361,6 +361,13 @@ amdgpu_job_prepare_job(struct drm_sched_job *sched_job,
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			dev_err(ring->adev->dev, "Error getting VM ID (%d)\n", r);
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								dev_err(ring->adev->dev, "Error getting VM ID (%d)\n", r);
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			goto error;
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								goto error;
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		}
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							}
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							/*
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							 * The VM structure might be released after the VMID is
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							 * assigned, we had multiple problems with people trying to use
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							 * the VM pointer so better set it to NULL.
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							 */
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							if (!fence)
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								job->vm = NULL;
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	}
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						}
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	return fence;
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						return fence;
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