kernel/drivers/net/ethernet/sun/sunvnet.c
.. .. @@ -431,6 +431,9 @@ 431 431 432 432 hp = mdesc_grab(); 433 433 434 + if (!hp)435 + return -ENODEV;436 +434 437 vp = vnet_find_parent(hp, vdev->mp, vdev); 435 438 if (IS_ERR(vp)) { 436 439 pr_err("Cannot find port parent vnet\n");