drm/xe/xe_sync.c

273  * Get a fence from syncs, exec queue, and VM. If syncs contain in-fences create
274  * and return a composite fence of all in-fences + last fence. If no in-fences
284 	struct dma_fence **fences = NULL;
291 	/* Count in-fences */
306 	fences = kmalloc_array(num_in_fence + 1, sizeof(*fences), GFP_KERNEL);
307 	if (!fences)
312 			fences[current_fence++] = sync[i].fence;
315 	fences[current_fence++] = xe_exec_queue_last_fence_get(q, vm);
316 	cf = dma_fence_array_create(num_in_fence, fences,
329 		dma_fence_put(fences[--current_fence]);
330 	kfree(fences);