forget handling_node in link support direct transfer

src/datawizard/coherency.c

@@ -237,6 +237,7 @@ static int link_supports_direct_transfers(starpu_data_handle_t handle, unsigned
 	if ((starpu_node_get_kind(src_node) == STARPU_DISK_RAM && starpu_node_get_kind(dst_node) == STARPU_CPU_RAM) ||
 	    (starpu_node_get_kind(src_node) == STARPU_CPU_RAM && starpu_node_get_kind(dst_node) == STARPU_DISK_RAM))
 	{
+		*handling_node = STARPU_MAIN_RAM;
 		return 1;
 	}