drm/xe: Remove extra dma_fence_put on xe_sync_entry_add_deps failure

drm_sched_job_add_dependency() drops references even in case of error,
no need for caller to call dma_fence_put.

Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Acked-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240820090230.3258128-1-himal.prasad.ghimiray@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>

drivers/gpu/drm/xe/xe_sync.c

@@ -206,16 +206,9 @@ int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef,
 
 int xe_sync_entry_add_deps(struct xe_sync_entry *sync, struct xe_sched_job *job)
 {
-	int err;
-
-	if (sync->fence) {
-		err = drm_sched_job_add_dependency(&job->drm,
-						   dma_fence_get(sync->fence));
-		if (err) {
-			dma_fence_put(sync->fence);
-			return err;
-		}
-	}
+	if (sync->fence)
+		return  drm_sched_job_add_dependency(&job->drm,
+						     dma_fence_get(sync->fence));
 
 	return 0;
 }