Re: [PATCH] drm/amdgpu: Handle job is NULL use case in amdgpu_device_gpu_recover

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Am 27.08.19 um 20:17 schrieb Andrey Grodzovsky:
This should be checked at all places job is accessed.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 02b3e7d..190d9a3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3790,14 +3790,14 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
if (hive && !mutex_trylock(&hive->reset_lock)) {
  		DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress",
-			 job->base.id, hive->hive_id);
+			  job ? job->base.id : -1, hive->hive_id);
  		return 0;
  	}
/* Start with adev pre asic reset first for soft reset check.*/
  	if (!amdgpu_device_lock_adev(adev, !hive)) {
  		DRM_INFO("Bailing on TDR for s_job:%llx, as another already in progress",
-					 job->base.id);
+			  job ? job->base.id : -1);
  		return 0;
  	}
@@ -3838,7 +3838,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
  			if (!ring || !ring->sched.thread)
  				continue;
- drm_sched_stop(&ring->sched, &job->base);
+			drm_sched_stop(&ring->sched, job ? &job->base : NULL);
  		}
  	}
@@ -3864,7 +3864,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, /* Guilty job will be freed after this*/
  	r = amdgpu_device_pre_asic_reset(adev,
-					 job,
+					 job ? job : NULL,
  					 &need_full_reset);
  	if (r) {
  		/*TODO Should we stop ?*/

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