Coverity #989575

src/libknot/updates/xfr-in.c

@@ -1349,6 +1349,7 @@ dbg_xfrin_exec_detail(
 	// replace the RRSet in the node copy by the new one
 	ret = knot_node_add_rrset_replace(node, *rrset);
 	if (ret != KNOT_EOK) {
+		knot_rrset_deep_free(rrset, 1);
 		dbg_xfrin("Failed to add RRSet copy to node\n");
 		return KNOT_ERROR;
 	}