[PATCH 2/2] drm/sched: fix dropping the last fence ref

[Christian König]

We need to grab another ref before trying to add the fence to the sched
job and not after.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/scheduler/sched_main.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 94fe51b3caa2..400d201c3c28 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -704,12 +704,14 @@ int drm_sched_job_add_implicit_dependencies(struct drm_sched_job *job,
 	int ret;
 
 	dma_resv_for_each_fence(&cursor, obj->resv, write, fence) {
-		ret = drm_sched_job_add_dependency(job, fence);
-		if (ret)
-			return ret;
-
 		/* Make sure to grab an additional ref on the added fence */
 		dma_fence_get(fence);
+
+		ret = drm_sched_job_add_dependency(job, fence);
+		if (ret) {
+			dma_fence_put(fence);
+			return ret;
+		}
 	}
 	return 0;
 }
-- 
2.25.1