Added a CC: stable tag and pushed it.
Thanks,
Christian.
Am 19.01.21 um 09:42 schrieb Christian König:
This is a bug fix and should probably be pushed separately to
drm-misc-next.
Christian.
Am 18.01.21 um 22:01 schrieb Andrey Grodzovsky:
To avoid any possible use after free.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/scheduler/sched_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/scheduler/sched_main.c
b/drivers/gpu/drm/scheduler/sched_main.c
index 997aa15..92637b7 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -899,6 +899,9 @@ void drm_sched_fini(struct drm_gpu_scheduler *sched)
if (sched->thread)
kthread_stop(sched->thread);
+ /* Confirm no work left behind accessing device structures */
+ cancel_delayed_work_sync(&sched->work_tdr);
+
sched->ready = false;
}
EXPORT_SYMBOL(drm_sched_fini);
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