diff options
| -rw-r--r-- | src/vnet/ethernet/interface.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/src/vnet/ethernet/interface.c b/src/vnet/ethernet/interface.c index a358080438a..1eb28d7e937 100644 --- a/src/vnet/ethernet/interface.c +++ b/src/vnet/ethernet/interface.c @@ -838,25 +838,18 @@ int vnet_delete_loopback_interface (u32 sw_if_index) { vnet_main_t *vnm = vnet_get_main (); - vnet_sw_interface_t *si; - u32 hw_if_index; - vnet_hw_interface_t *hw; - u32 instance; if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index)) return VNET_API_ERROR_INVALID_SW_IF_INDEX; - si = vnet_get_sw_interface (vnm, sw_if_index); - hw_if_index = si->hw_if_index; - hw = vnet_get_hw_interface (vnm, hw_if_index); - instance = hw->dev_instance; + vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index); + if (hw == 0 || hw->dev_class_index != ethernet_simulated_device_class.index) + return VNET_API_ERROR_INVALID_SW_IF_INDEX; - if (loopback_instance_free (instance) < 0) - { - return VNET_API_ERROR_INVALID_SW_IF_INDEX; - } + if (loopback_instance_free (hw->dev_instance) < 0) + return VNET_API_ERROR_INVALID_SW_IF_INDEX; - ethernet_delete_interface (vnm, hw_if_index); + ethernet_delete_interface (vnm, hw->hw_if_index); return 0; } |