diff options
| -rw-r--r-- | src/plugins/linux-cp/lcp_interface.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/plugins/linux-cp/lcp_interface.c b/src/plugins/linux-cp/lcp_interface.c index fab048a7773..921dccf5519 100644 --- a/src/plugins/linux-cp/lcp_interface.c +++ b/src/plugins/linux-cp/lcp_interface.c @@ -782,6 +782,15 @@ lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name, const vnet_sw_interface_t *sw; const vnet_hw_interface_t *hw; const lcp_itf_pair_t *lip; + index_t lipi; + + lipi = lcp_itf_pair_find_by_phy (phy_sw_if_index); + + if (lipi != INDEX_INVALID) + { + LCP_ITF_PAIR_ERR ("pair_create: already created"); + return VNET_API_ERROR_VALUE_EXIST; + } if (!vnet_sw_if_index_is_api_valid (phy_sw_if_index)) { |