[PATCH 2/2] drm/sched: add missing NULL check in drm_sched_get_cleanup_job

[Christian König]

Otherwise we would crash if the job is not resubmitted.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/scheduler/sched_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 4f2395d1a791..23e5e8275dc7 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -829,7 +829,8 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
 	job = list_first_entry_or_null(&sched->pending_list,
 				       struct drm_sched_job, list);
 
-	if (job && dma_fence_is_signaled(job->s_fence->parent)) {
+	if (job && (!job->s_fence->parent ||
+		    dma_fence_is_signaled(job->s_fence->parent))) {
 		/* remove job from pending_list */
 		list_del_init(&job->list);
 
-- 
2.25.1