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-rw-r--r--src/vnet/vxlan/vxlan.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index 300aae4e0ba..b2329d815ff 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -440,20 +440,22 @@ int vnet_vxlan_add_del_tunnel
hw_addr[0] = 2;
hw_addr[1] = 0xfe;
+ hash_set (vxm->instance_used, user_instance, 1);
+
+ t->dev_instance = dev_instance; /* actual */
+ t->user_instance = user_instance; /* name */
+ t->flow_index = ~0;
+
if (ethernet_register_interface (vnm, vxlan_device_class.index,
dev_instance, hw_addr, &t->hw_if_index,
vxlan_eth_flag_change))
{
+ hash_unset (vxm->instance_used, t->user_instance);
+
pool_put (vxm->tunnels, t);
return VNET_API_ERROR_SYSCALL_ERROR_2;
}
- hash_set (vxm->instance_used, user_instance, 1);
-
- t->dev_instance = dev_instance; /* actual */
- t->user_instance = user_instance; /* name */
- t->flow_index = ~0;
-
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, t->hw_if_index);
/* Set vxlan tunnel output node */