goto out_unlock;
 	}
 
-	if (csdev->type == CORESIGHT_DEV_TYPE_SINK ||
-	    csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) {
+	if ((csdev->type == CORESIGHT_DEV_TYPE_SINK ||
+	     csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&
+	    sink_ops(csdev)->alloc_buffer) {
 		ret = etm_perf_add_symlink_sink(csdev);
 
 		if (ret) {
-- 
2.51.0[PATCH 6.17 301/563] coresight: Only register perf symlink for sinks with alloc_bufferGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefinedœ