From: Pixel Ding <Pixel.Ding@amd.com>
Date: Wed, 18 Apr 2018 08:33:26 +0000 (-0400)
Subject: drm/scheduler: always put last_sched fence in entity_fini
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=a4b3996aeebbaafd2682f4db06bb5659e1653da7;p=openwrt%2Fstaging%2Fblogic.git

drm/scheduler: always put last_sched fence in entity_fini

Fix the potential memleak since scheduler main thread always
hold one last_sched fence.

Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
index 44d21981bf3b..4968867da7a6 100644
--- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
@@ -276,10 +276,10 @@ void drm_sched_entity_cleanup(struct drm_gpu_scheduler *sched,
 			else if (r)
 				DRM_ERROR("fence add callback failed (%d)\n", r);
 		}
-
-		dma_fence_put(entity->last_scheduled);
-		entity->last_scheduled = NULL;
 	}
+
+	dma_fence_put(entity->last_scheduled);
+	entity->last_scheduled = NULL;
 }
 EXPORT_SYMBOL(drm_sched_entity_cleanup);