group_free_queue() can be called on a partially initialized queue
object if something fails group_create_queue(). Make sure we don't
call drm_sched_entity_destroy() on a entity that hasn't been
initialized.
Fixes: 7d9c3442b02a ("drm/panthor: Defer scheduler entitiy destruction to queue
release")
Signed-off-by: Boris Brezillon <[email protected]>
---
drivers/gpu/drm/panthor/panthor_sched.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panthor/panthor_sched.c
b/drivers/gpu/drm/panthor/panthor_sched.c
index a0a31aa6c6bc..552542f70cab 100644
--- a/drivers/gpu/drm/panthor/panthor_sched.c
+++ b/drivers/gpu/drm/panthor/panthor_sched.c
@@ -886,7 +886,8 @@ static void group_free_queue(struct panthor_group *group,
struct panthor_queue *
if (IS_ERR_OR_NULL(queue))
return;
- drm_sched_entity_destroy(&queue->entity);
+ if (queue->entity.fence_context)
+ drm_sched_entity_destroy(&queue->entity);
if (queue->scheduler.ops)
drm_sched_fini(&queue->scheduler);
--
2.51.0
